Dentistry
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This page shows you the most recent publications within this specialty of the MedWorm directory. This is page number 21.
Effect of casting atmosphere on the shear bond strength of a ceramic to Ni-Cr and Ni-Cr-Be alloys.
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This study evaluated the effect of 3 casting atmospheres on the metal-ceramic bond strength (MCBS) of 2 Ni-Cr alloys, with beryllium (Fit Cast V) and without beryllium (Fit Cast SB). Sixty acrylic resin patterns (8 mm long and 5 mm diameter) were obtained using a fluorocarbon resin matrix. Wax was used to refine the surface of acrylic resin patterns that were invested and cast in an induction casting machine under normal, vacuum, and argon atmospheres at a temperature of 1340 degrees C. The castings were divested manually and airborne-particle abraded with 100-microm aluminum-oxide. Ten castings were obtained for each grou...
Source: Braz Dent J - September 11, 2009 Category: Dentistry Authors: Pagnano VO, Esquivel Mde C, Leal MB, Felipucci DN, Bezzon OL Tags: Braz Dent J Source Type: journals
Effect of repeated disinfections by microwave energy on the physical and mechanical properties of denture base acrylic resins.Email this article to a colleague.
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The present study evaluated the effect of repeated simulated microwave disinfection on physical and mechanical properties of Clássico, Onda-Cryl and QC-20 denture base acrylic resins. Aluminum patterns were included in metallic or plastic flasks with dental stone following the traditional packing method. The powder/liquid mixing ratio was established according to the manufacturer's instructions. After water-bath polymerization at 74 degrees C for 9 h, boiling water for 20 min or microwave energy at 900 W for 10 min, the specimens were deflasked after flask cooling and finished. Each specimen was immersed in 150 mL...
Source: Braz Dent J - September 11, 2009 Category: Dentistry Authors: Consani RL, Azevedo DD, Mesquita MF, Mendes WB, Saquy PC Tags: Braz Dent J Source Type: journals
Effect of ridge lap surface treatment and thermocycling on microtensile bond strength of acrylic teeth to denture base resins.Email this article to a colleague.
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This study evaluated the effect of denture base polymer type (heat- and microwave-polymerized), ridge lap surface treatment (with and without methyl methacrylate-MMA etching) and thermocycling on the microtensile bond strength (microTBS) of Biotone acrylic teeth. Flat-ground, ridge-lap surface of posterior artificial teeth were bonded to cylinders of each denture base resin, resulting in the following groups (n=6): G1a - Clássico/with MMA etching; G1b - Clássico/without MMA etching; G2a - OndaCryl/with MMA etching; G2b - OndaCryl/without MMA etching. Rectangular bar specimens with a cross-sectional area of 1 mm(2...
Source: Braz Dent J - September 11, 2009 Category: Dentistry Authors: Chaves Cde A, Regis RR, Machado AL, Souza RF Tags: Braz Dent J Source Type: journals
Effect of gamma irradiation on fluoride release and antibacterial activity of resin dental materials.Email this article to a colleague.
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This study evaluated the effect of gamma irradiation on fluoride release and antibacterial activity of FluroShield (FS) and Clearfil Protect Bond (CPB). Four groups were formed: G1-FS + gamma; G2-FS without gamma; G3-CPB + gamma; G4-CPB without gamma. For fluoride release analysis, 12 disks of each material were prepared and covered with nail polish, except for one side (50.4 mm(2) area). G1 and G3 were sterilized with a 14.5 KGy dose at 27 degrees C for 24 h, while G2 and G4 (controls) were not sterilized and were maintained under the same time and temperature conditions. Fluoride release measurements were made in duplica...
Source: Braz Dent J - September 11, 2009 Category: Dentistry Authors: Carvalho FG, Fucio SB, Pascon FM, Kantovitz KR, Correr-Sobrinho L, Puppin-Rontani RM Tags: Braz Dent J Source Type: journals
Cytotoxicity of endodontic irrigants containing calcium hydroxide and sodium lauryl sulphate on fibroblasts derived from mouse L929 cell line.Email this article to a colleague.
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In conclusion, the association of calcium hydroxide and SLS (HCT20) combines the beneficial properties of these solutions and was not harmful to the fibroblast cell line, seeming to be a suitable endodontic irrigating solution.
PMID: 19738943 [PubMed - in process]
Source: Braz Dent J - September 11, 2009 Category: Dentistry Authors: Barbosa SV, Barroso CM, Ruiz PA Tags: Braz Dent J Source Type: journals
Rat subcutaneous tissue response to modified Portland Cement, a new mineral trioxide aggregate.Email this article to a colleague.
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The purpose of this study was compare the biocompatibility of modified Portland cement (CPM) and mineral trioxide aggregate (MTA) in a subcutaneous rat model. Twenty-four male Wistar rats were used. Three silicon tubes were placed on the dorsal subcutaneous tissue of each animal: one tube contained MTA, one tube contained CPM and the other was an empty tube. The rats were sacrificed in 3 groups of 8 animals at 7, 14 and 30 postoperative days, respectively. Tissue samples were fixed in 10% buffered formalin, embedded in paraffin, and serial sections were cut and stained with hematoxylin and eosin, Masson Trichrome and L...
Source: Braz Dent J - September 11, 2009 Category: Dentistry Authors: Martínez Lalis R, Esaín ML, Kokubu GA, Willis J, Chaves C, Grana DR Tags: Braz Dent J Source Type: journals
In vitro antimicrobial activity of acroseal, polifil and epiphany against Enterococcus faecalis.Email this article to a colleague.
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Using the agar diffusion method, this study evaluated the in vitro antimicrobial activity of the commercial endodontic sealers Acroseal and Epiphany, a castor-oil based experimental sealer, Polifil, and a primer agent (Epiphany self-etching primer), against Enterococcus faecalis. Zinc oxide and eugenol cement (ZOE) served as control. Five wells per dish were made at equidistant points and immediately filled with the test and control materials. After incubation of the dishes at 37 degrees C for 24 h and 48 h, the diameter of the zones of microbial growth inhibition produced around the wells was measured (in mm) with a m...
Source: Braz Dent J - September 11, 2009 Category: Dentistry Authors: Pinheiro CR, Guinesi AS, Pizzolitto AC, Bonetti-Filho I Tags: Braz Dent J Source Type: journals
Subcutaneous tissue response of isogenic mice to calcium hydroxide-based pastes with chlorhexidine.Email this article to a colleague.
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In conclusion, the Calen paste mixed with 0.4% CHX allowed an adequate tissue response, whereas the UltraCal paste mixed with 2% CHX showed unsatisfactory results.
PMID: 19738940 [PubMed - in process]
Source: Braz Dent J - September 11, 2009 Category: Dentistry Authors: Silva RA, Assed S, Nelson-Filho P, Silva LA, Consolaro A Tags: Braz Dent J Source Type: journals
Effect of biofunctionalized implant surface on osseointegration: a histomorphometric study in dogs.Email this article to a colleague.
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In conclusion, biofunctionalization of the implant surface might interfere in the bone apposition around implants, especially in terms of bone density. Different concentrations of bioactive peptide lead to different results.
PMID: 19738939 [PubMed - in process]
Source: Braz Dent J - September 11, 2009 Category: Dentistry Authors: Barros RR, Novaes AB, Papalexiou V, Souza SL, Taba M, Palioto DB, Grisi MF Tags: Braz Dent J Source Type: journals
Self-reported severity of taste disturbances correlates with dysfunctional grade of TMD painEmail this article to a colleague.
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The objectives of this study were to compare the prevalence of self-reported taste disturbances in TMD pain patients and in a control population, and to determine whether frequency of taste disturbances was correlated with dysfunctional grade of TMD pain. Subjects were 2026 people within a German population sample and 301 consecutive TMD patients diagnosed using the Research Diagnostic Criteria. Taste disturbances were measured using two questions from the Oral Health Impact Profile. Dysfunctional grade of TMD pain was measured with the Graded Chronic Pain Scale. A two-sample test of proportions revealed that TMD patients ...
Source: Journal of Oral Rehabilitation - September 10, 2009 Category: Dentistry Authors: D. R. NIXDORF, M. T. JOHN, O. SCHIERZ, D. A. BEREITER, G. HELLEKANT Source Type: journals
Longitudinal profile changes in an Anatolian Turkish population.Email this article to a colleague.
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The goal of this study was to assess longitudinal changes in the facial soft tissue profile in relation to age and gender in young Anatolian Turkish subjects. A total of 30 subjects (15 females and 15 males) with an Angle Class I occlusal relationship and normal antero-posterior (ANB, 2-4 degrees) skeletal relationships were selected from the archive of Dicle University. All subjects were of Anatolian Turkish heritage, and none had any apparent facial disharmony or had undergone orthodontic therapy. Lateral cephalometric radiographs taken at T1 (mean age 8.8 years), T2 (mean age 13.8 years), and T3 (mean age 17.8 years...
Source: European Journal of Orthodontics - September 10, 2009 Category: Dentistry Authors: Hamamci N, Arslan SG, Sahin S Tags: Eur J Orthod Source Type: journals
The effect of air abrasion preparation on the shear bond strength of an orthodontic bracket bonded to enamel.Email this article to a colleague.
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The purpose of this study was to determine the method of preparation of enamel which best retains a bonded orthodontic bracket against a shear force. Two hundred and twelve human lower premolars were randomly divided into four equal groups. Group 1 underwent no air abrasion, group 2 received treatment with 25 mum aluminium oxide particles, group 3 with 50 mum particles, and group 4 with 100 mum particles. All groups were treated with a self-etching primer before bonding of an orthodontic bracket. Each tooth was tested in a JJ Lloyd M30K((R)) machine to determine the maximum shear force required to dislodge the bracket ...
Source: European Journal of Orthodontics - September 10, 2009 Category: Dentistry Authors: Halpern RM, Rouleau T Tags: Eur J Orthod Source Type: journals
Relationship of smoking and smoking cessation with oral health status in Japanese menEmail this article to a colleague.
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Conclusion: Smoking has a positive association with missing teeth and periodontitis. However, smoking cessation is beneficial for oral health. The odds of having more than eight missing teeth, or of having periodontitis, in those who had never smoked was similar to that of individuals who reported that they had stopped smoking for 11 years or more.
Source: Journal of Periodontal Research - September 9, 2009 Category: Dentistry Authors: T. Yanagisawa, M. Ueno, K. Shinada, S. Ohara, F. A. C. Wright, Y. Kawaguchi Source Type: journals
Descriptive Study of the Longevity of Dental Implant Surgery DrillsEmail this article to a colleague.
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Conclusions: Drills used for up to 50 osteotomies do not appear to elevate bone temperatures to a harmful level. However, drill corrosion is potentially important in determining the life span of implant burs.
Source: Clinical Implant Dentistry and Related Research - September 9, 2009 Category: Dentistry Authors: Olive F. L. Allsobrook, Jonathan Leichter, Douglas Holborow, Michael Swain Source Type: journals
Clinical evaluation of Procera AllCeram crowns in Japanese patients: results after 5 yearsEmail this article to a colleague.
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Summary Procera AllCeram crowns were prospectively evaluated clinically in both anterior and posterior regions in Japanese. One-hundred and one crowns were fabricated for 57 patients at the Tsurumi University Dental Hospital from August 2001 to October 2002 and evaluated according to the California Dental Association (CDA) quality evaluation system at baseline and annually at all follow-up examinations for 5 years. The plaque index (PI) and gingival index (GI) were recorded, and chipping and fracture were checked at the same time as well. A total of 75 Procera AllCeram crowns were evaluated, and the cumulative survival rat...
Source: Journal of Oral Rehabilitation - September 9, 2009 Category: Dentistry Authors: Y. KOKUBO, S. SAKURAI, M. TSUMITA, T. OGAWA, S. FUKUSHIMA Source Type: journals
Cognitive function and number of teeth in a community-dwelling elderly population without dementiaEmail this article to a colleague.
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In conclusion, associations were found between normal-range cognitive function and the numbers of sound and decayed teeth, after adjustment for various confounding factors, in an elderly Japanese population.
Source: Journal of Oral Rehabilitation - September 9, 2009 Category: Dentistry Authors: Y. TAKATA, T. ANSAI, I. SOH, K. SONOKI, S. AWANO, T. HAMASAKI, A. YOSHIDA, T. OHSUMI, K. TOYOSHIMA, T. NISHIHARA, T. TAKEHARA Source Type: journals
The effects of fixed orthodontic appliances on saliva flow rate and saliva electrolyte concentrationsEmail this article to a colleague.
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This study demonstrated that saliva flow rate was increased and saliva electrolytes were changed at early stage when placing fixed orthodontic appliances, which was considered due to increased mechanosensation.
Source: Journal of Oral Rehabilitation - September 9, 2009 Category: Dentistry Authors: Y. LI, B. HU, Y. LIU, G. DING, C. ZHANG, S. WANG Source Type: journals
Unerupted incisors--characteristic features and associated anomalies.Email this article to a colleague.
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The aims of this study were to investigate the association of unerupted incisors with other dental anomalies and to indicate the aetiological and clinical relevance of such associations. Forty-one patients with unerupted incisors were examined. The group comprised 30 males and 11 females, ranging in age from 7 to 39 years. The patients were assessed for nine dental anomalies: hyperdontia, hypodontia, microdontia, enamel hypoplasia, infraocclusion of the primary molars and ectopia of the canines, premolars, first permanent molars, and second permanent molars. The patients were matched with respect to age and gender to 4...
Source: European Journal of Orthodontics - September 9, 2009 Category: Dentistry Authors: Bartolo A, Camilleri A, Camilleri S Tags: Eur J Orthod Source Type: journals
E-Newsletter: September 8, 2009Email this article to a colleague.
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Source: NIDCR News Releases - September 9, 2009 Category: Dentistry Source Type: organizations
Oral disease experience of older adults seeking oral health servicesEmail this article to a colleague.
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Conclusions: While access to and utilization of dental services may result in improved tooth retention, older adults who use dental services continue to have dental care needs, especially periodontal care needs.
Source: Gerodontology - September 8, 2009 Category: Dentistry Authors: Kavita P. Ahluwalia, Bin Cheng, Philip K. Josephs, Evanthia Lalla, Ira B. Lamster Source Type: journals
Postural and dynamic masseter and anterior temporalis muscle EMG repeatability in serial assessmentsEmail this article to a colleague.
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In conclusion this study assessed the reliability, repeatability and limitations of postural and various dynamic masseter and temporalis EMG recordings for serial assessment.
Source: Journal of Oral Rehabilitation - September 8, 2009 Category: Dentistry Authors: T. I. SUVINEN, J. MALMBERG, C. FORSTER, P. KEMPPAINEN Source Type: journals
The nature of evidence [Editorial]Email this article to a colleague.
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Source: Journal of Orthodontics - September 8, 2009 Category: Dentistry Authors: Benson, P. Tags: Editorial Source Type: journals
Commentaries on scientific papers published in this edition [Scientific Section]Email this article to a colleague.
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Source: Journal of Orthodontics - September 8, 2009 Category: Dentistry Tags: Scientific Section Source Type: journals
Asymmetric headgear for differential molar movement: a study using finite element analysis [Scientific Section]Email this article to a colleague.
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Conclusion: The simulated computer model used in this investigation suggests that a face-bow with a symmetrically soldered joint and arms of equal lengths used in combination with a transpalatal arch is the best headgear option when asymmetric movement of upper molars is desired.
Source: Journal of Orthodontics - September 8, 2009 Category: Dentistry Authors: Squeff, L. R., Ruellas, A. C. O., Penedo, N. D, Elias, C. N, Sant'anna, E. F, Casaccia, G. R, Gomes, J. C, Gouvea, J. P Tags: Scientific Section Source Type: journals
Aesthetic impact of malocclusion in the daily living of Brazilian adolescents [Scientific Section]Email this article to a colleague.
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Conclusion: Negative repercussions on daily living were found in Brazilian adolescents with malocclusions affecting anterior dental aesthetics.
Source: Journal of Orthodontics - September 8, 2009 Category: Dentistry Authors: Marques, L. S, Filogonio, C. A, Filogonio, C. B, Pereira, L. J, Pordeus, I. A, Paiva, S. M, Ramos-Jorge, M. L Tags: Scientific Section Source Type: journals
Nasal morphology as an indicator of vertical maxillary skeletal pattern [Scientific Section]Email this article to a colleague.
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Conclusion: The clinical significance of this study is that the nasolabial angle in itself may not reflect a midface vertical discrepancy, however its upper component, i.e. the degree of upturn of the nose with decreased nasal length in an adult subject may indicate an underlying change in inclination of the palatal plane. This might be of value during orthodontic diagnosis and treatment planning.
Source: Journal of Orthodontics - September 8, 2009 Category: Dentistry Authors: Nehra, K., Sharma, V. Tags: Scientific Section Source Type: journals
An evaluation of the effects of a web-based modular teaching programme, housed within a virtual learning environment on orthodontic training for specialist registrars [Scientific Section]Email this article to a colleague.
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Conclusions: Travel commitments for trainees have reduced as a result of introducing the web-based resource, but not as expected. Demands on academic staff have not reduced but have changed. The resource has had positive effects on postgraduate orthodontic teaching and learning. Important themes of interest emerging from the data are improvements in the flexibility and efficiency of learning and the value of the resource as a repository of information and in the organization of teaching and learning. Despite the popularity of this web based learning resource, trainees continue to value the opportunity to interact face to f...
Source: Journal of Orthodontics - September 8, 2009 Category: Dentistry Authors: Mulgrew, B., Drage, K., Gardiner, P., Ireland, T., Sandy, J. R Tags: Scientific Section Source Type: journals
Colour changes of orthodontic elastomeric module materials exposed to in vitro dietary media [Scientific Section]Email this article to a colleague.
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Conclusions: Clinicians should make patients aware of the effect of consuming beverages and spices on the colour stability of their selected ligature modules. Clinicians should favour modules made with injection moulding. Darker colour modules may be preferred to clear modules to avoid excessive colour degradation through dietary media such as beverages and food spices. Patients consuming large amounts of spices or coffee should avoid clear modules made by extrusion processing because of their tendency to discolour.
Source: Journal of Orthodontics - September 8, 2009 Category: Dentistry Authors: Ardeshna, A. P, Vaidyanathan, T. K Tags: Scientific Section Source Type: journals
Infraocclusion of secondary deciduous molars - an unusual outcome [Clinical Section]Email this article to a colleague.
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This report describes a case in which a short course of interceptive treatment with a 2 x 4 fixed appliance resulted in resolution of the infrocclusion. Recreating space for a severely infraoccluded second deciduous molar resulted in ‘eruption’ of the tooth without the need for extraction.
Source: Journal of Orthodontics - September 8, 2009 Category: Dentistry Authors: Ponduri, S., Birnie, D. J, Sandy, J. R Tags: Clinical Section Source Type: journals
Optragate(R) oral retractor [Clinical Section]Email this article to a colleague.
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This paper illustrates an innovation in oral retraction developed for use in general dentistry. The benefits for use in orthodontic bonding are described.
Source: Journal of Orthodontics - September 8, 2009 Category: Dentistry Authors: Scholey, J. Tags: Clinical Section Source Type: journals
New developments in tooth whitening. The current status of external bleaching in orthodontics [Cutting Edge]Email this article to a colleague.
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This article provides a contemporary view of external tooth whitening procedures currently available, with particular reference to bleaching. The various techniques and products are described, with their advantages, disadvantages, mode of action and the current legal stand-point discussed. The results of a British Orthodontic Society survey of Specialist and Practitioner Groups regarding current usage patterns of tooth whitening products are presented.
Source: Journal of Orthodontics - September 8, 2009 Category: Dentistry Authors: Thickett, E., Cobourne, M. T. Tags: Cutting Edge Source Type: journals
Cone beam computed tomography: a useful tool in orthodontic diagnosis and treatment planning [Features Section]Email this article to a colleague.
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The aim of this article is to make clinicians aware of the use of cone beam computed tomography (CBCT) within the field of orthodontics. The paper describes five cases each one illustrating the improved diagnostic yield using CBCT over conventional radiography thus facilitating the appropriate treatment planning of patients.
Source: Journal of Orthodontics - September 8, 2009 Category: Dentistry Authors: Merrett, S. J., Drage, N. A., Durning, P. Tags: Features Section Source Type: journals
Early Loading after 21 Days of Healing of Nonsubmerged Titanium Implants with a Chemically Modified Sandblasted and Acid-Etched Surface: Two-Year Results of a Prospective Two-Center StudyEmail this article to a colleague.
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Conclusion: The results of this prospective two-center study demonstrate that titanium implants with a modified SLA surface can predictably achieve successful tissue integration when loaded in full occlusion 21 days after placement. Integration could be maintained without incident for at least 2 years of follow-up.
Source: Clinical Implant Dentistry and Related Research - September 8, 2009 Category: Dentistry Authors: Dean Morton, Michael M. Bornstein, Julia-Gabriela Wittneben, William C. Martin, James D. Ruskin, Christopher N. Hart, Daniel Buser Source Type: journals
Histomorphometric Analysis of Human Maxillary Sinus Lift with a New Bone Substitute Biocomposite: A Preliminary ReportEmail this article to a colleague.
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Conclusions: The analysed putty seems to be a safe and effective graft material for maxillary sinus floor augmentation by accelerating bone regeneration and thus reducing the healing time.
Source: Clinical Implant Dentistry and Related Research - September 8, 2009 Category: Dentistry Authors: Claudia Dellavia, Gianluca Tartaglia, Chiarella Sforza Source Type: journals
The Effects of Superficial Roughness and Design on the Primary Stability of Dental ImplantsEmail this article to a colleague.
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Conclusion: The maximum implant insertion torque depends on the implant geometry, thread form, and implant surface morphology. The placement of conical implants with treated surfaces required the highest insertion torque. There was no correlation between RFA and insertion torque implant.
Source: Clinical Implant Dentistry and Related Research - September 8, 2009 Category: Dentistry Authors: Mychelle Vianna dos Santos, Carlos Nelson Elias, Jose Henrique Cavalcanti Lima Source Type: journals
Local Sinus Lift for Single-Tooth Implant. I. Clinical and Radiographic Follow-UpEmail this article to a colleague.
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Conclusions: Local sinus lift with simultaneous bone augmentation and single-tooth replacement in the posterior maxilla is a predictable method although a certain bone volume reduction around the implant was evident at the 2-year follow-up.
Source: Clinical Implant Dentistry and Related Research - September 8, 2009 Category: Dentistry Authors: Karl-Erik Kahnberg, Mats Wallström, Lars Rasmusson Source Type: journals
Clinical Outcome and Bone Preservation of Single TiUnite™ Implants Installed with Flapless or Flap SurgeryEmail this article to a colleague.
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Conclusions: Single implants yield an excellent prognosis with stable bone levels irrespective of the surgical technique, and free-handed flapless surgery is a viable alternative to more extensively planned guided surgery. Proper case selection and clinical experience are considered prerequisites for a predictable treatment outcome.
Source: Clinical Implant Dentistry and Related Research - September 8, 2009 Category: Dentistry Authors: Hugo De Bruyn, Mandana Atashkadeh, Jan Cosyn, Tommie van de Velde Source Type: journals
The Effect of Smoking on Early Bone Remodeling on Surface Modified Southern Implants®Email this article to a colleague.
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Conclusion: The Southern Implants® system demonstrated a high absolute survival rate. Although smokers are not more prone to implant loss, more pronounced peri-implant bone loss was observed, especially in the maxilla. Whether this affects future biological complications remains to be investigated in prospective long-term studies.
Source: Clinical Implant Dentistry and Related Research - September 8, 2009 Category: Dentistry Authors: Stefan Vandeweghe, Hugo De Bruyn Source Type: journals
Care and Aftercare Related to Implant-Retained Dental Crowns in the Maxillary Aesthetic Region: A 5-Year Prospective Randomized Clinical TrialEmail this article to a colleague.
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Conclusion: Placing an implant in the maxillary esthetic region after local bone augmentation is a safe and reliable treatment option not needing much specific aftercare other than periodic preventive routine inspections, routine oral hygiene care, and fabrication of a new crown in one out of every eight to nine patients in 5 years. The method used for augmentation was irrespective of the patients' need for aftercare.
Source: Clinical Implant Dentistry and Related Research - September 8, 2009 Category: Dentistry Authors: Anita Visser, Gerry M. Raghoebar, Henny J.A. Meijer, Leo Meijndert, Arjan Vissink Source Type: journals
Cancellous Bone Block Allografts for the Augmentation of the Anterior Atrophic MaxillaEmail this article to a colleague.
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Conclusion: Cancellous block allografts appear to hold promise for grafting the anterior atrophic maxilla.
Source: Clinical Implant Dentistry and Related Research - September 8, 2009 Category: Dentistry Authors: Joseph Nissan, Ofer Mardinger, Shlomo Calderon, George E. Romanos, Gavriel Chaushu Source Type: journals
Effects of force magnitude on tooth movement: an experimental study in rabbits.Email this article to a colleague.
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The aim of the present study was to investigate the effects of two different force levels on the amount of total and daily tooth movement in rabbits and to determine whether any increase in tooth movement is equal to the increase in force. Forces of approximately 20 (group I) and 60 (group II) g (19.6 and 58.8 cN) were applied to the upper central incisors of 25 young adult (14 weeks of age) New Zealand female rabbits. The distance between the incisors was measured daily from the mid-levels of the crowns using a digital calliper for 20 days. Analysis of variance and Bonferroni multiple range test were used for statisti...
Source: European Journal of Orthodontics - September 8, 2009 Category: Dentistry Authors: Kiliç N, Oktay H, Ersöz M Tags: Eur J Orthod Source Type: journals
Alaska State Loan Repayment ProgramEmail this article to a colleague.
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A loan repayment program for primary care and behavioral health providers working in HPSAs. Geographic coverage: Alaska -- Alaska Department of Health and Social Services
Source: Dental health funding opportunities via the Rural Assistance Center - September 8, 2009 Category: Dentistry Source Type: funding
Clinical Effectiveness BulletinEmail this article to a colleague.
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Source: International Journal of Paediatric Dentistry - September 7, 2009 Category: Dentistry Source Type: journals
Influences of interferon-gamma on cell proliferation and interleukin-6 production in Down syndrome derived fibroblastsEmail this article to a colleague.
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Conclusion: Taken together, our results are consistent with hypersensitive reactions to IFN-γ seen in patients with Down syndrome and may provide useful information to elucidate the mechanisms of IFN-γ activities in those individuals.
Source: Archives of Oral Biology - September 7, 2009 Category: Dentistry Authors: Tsutomu Iwamoto, Aya Yamada, Kenji Yuasa, Emiko Fukumoto, Takashi Nakamura, Taku Fujiwara, Satoshi Fukumoto Tags: Fibroblast function Source Type: journals
Stimulated saliva flow rate patterns in children: A six-year longitudinal studyEmail this article to a colleague.
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Conclusions: These findings indicate that a high or low SSFR is a constant individual trait in children.
Source: Archives of Oral Biology - September 7, 2009 Category: Dentistry Authors: Sánchez-Pérez Leonor, Saénz-Martínez Laura, Irigoyen-Camacho Esther, Zepeda-Zepeda Marco, Acosta-Gío A. Enrique, Méndez-Ramírez Ignacio Tags: Saliva and salivary glands Source Type: journals
Up-regulation of vascular endothelial growth factor expression by adenosine through adenosine A2 receptors in the rat tongue treated with endotoxinEmail this article to a colleague.
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Abstract: The main focus of the present investigation is to evaluate a differential effect of adenosine on the up-regulation of vascular endothelial growth factor (VEGF) expression through adenosine A2 receptors in the rat tongue treated with endotoxin (lipopolysaccharide: LPS). Angiogenesis in the rat tongue treated with LPS/incomplete Freund's adjuvant (IFA) or endotoxin/IFA/adenosine A2 receptor (A2R) antagonists was examined using immunohistochemistry for LYVE-1, ED1, ED2, OX6, langerin and VEGF, and real-time polymerase chain reaction (PCR) for VEGF. The distributional density of both blood vessels and OX6+ cells was ...
Source: Archives of Oral Biology - September 7, 2009 Category: Dentistry Authors: Yaiko Hara, Noriyuki Kuroda, Kouji Inoue, Tetsuji Sato Tags: Oral epithelial biology and cancer Source Type: journals
Recombinant adeno-associated virus serotype 2 (rAAV2)—An efficient vector for gene delivery in condylar cartilage, glenoid fossa and TMJ disc in an experimental study in vivoEmail this article to a colleague.
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Conclusion: Recombinant AAV2 could be considered as a promising vector for gene therapy in TMJ which can mediate therapeutic gene expression in glenoid fossa, articular disc and condylar cartilage in vivo.
Source: Archives of Oral Biology - September 7, 2009 Category: Dentistry Authors: Qianfeng Li, Juan Dai, A. Bakr. M. Rabie Tags: Tissue engineering and bone biology Source Type: journals
The transmembrane transport of metformin by osteoblasts from rat mandibleEmail this article to a colleague.
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In this study, the osteoblasts from rat mandible were cultured with 5.5mM (control) or 16.5mM d-glucose, then the uptake of metformin by osteoblasts was detected with high performance liquid chromatography (HPLC). Rat organic cation transporter (rOct) expression was characterized by immunocytochemistry, RT-PCR and Western blotting. It was found that, the uptake of metformin was saturable, Na+-dependent, affected by extracellular pH and inhibited by both phenformin and cimetidine (an inhibitor of Octs). rOct1 but no rOct2 was expressed extensively in osteoblasts and the protein level of rOct1 could be up-regulated by metfor...
Source: Archives of Oral Biology - September 7, 2009 Category: Dentistry Authors: Long Ma, Xia Wu, E. Ling-Ling, Dong-Sheng Wang, Hong-Chen Liu Tags: Tissue engineering and bone biology Source Type: journals
Phenotype and behaviour of dental pulp cells during expansion cultureEmail this article to a colleague.
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Conclusions: The present study characterizes conditions for primary pulp cell isolation and expansion and indicates that both earlier and later passages maintain differentiation capacity. Continued passage however may result in selection for cells with a pericyte/myofibroblast phenotype.
Source: Archives of Oral Biology - September 7, 2009 Category: Dentistry Authors: Minal Patel, Anthony J. Smith, Alastair J. Sloan, Gay Smith, Paul R. Cooper Tags: Tooth pulp biology Source Type: journals
Involvement of vasoactive intestinal polypeptide in the parasympathetic vasodilatation of the rat masseter muscleEmail this article to a colleague.
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Abstract: The parasympathetic vasodilatory fibres are known to innervate vessels in a rat masseter muscle via both cholinergic and non-cholinergic mechanisms. However, the non-cholinergic mechanisms are still unclear. Recently, vasoactive intestinal polypeptide (VIP) was convincingly shown to be involved in the parasympathetic vasodilatation in orofacial areas, such as submandibular glands and lower lip. However, very little is known about the rat masseter muscle. The present study was designed in the rat masseter muscle to assess (1) whether the parasympathetic nerve innervating vessels have VIP immunoreactivities, (2) wh...
Source: Archives of Oral Biology - September 7, 2009 Category: Dentistry Authors: Takeharu Niioka, Hisayoshi Ishii, Hiroshi Izumi Tags: Masseter muscle blood flow Source Type: journals
