Endodontic Topics
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Complications during root canal irrigation
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Although endodontic irrigants are generally considered to be safe, severe complications can occur during or as a consequence of root canal irrigation. However, no data on the incidence of irrigation incidents could be found. In the following paper, a review is presented on the possible incidents that may occur during root canal irrigation with different irrigation solutions, the sequelae, as well as prevention and therapy of such intra- and post-operative problems.
Source: Endodontic Topics - April 21, 2009 Category: Dentistry Authors: MICHAEL HÜLSMANN, TINA RÖDIG, SABINE NORDMEYER Tags: Articles Source Type: journals
Anatomy of an overfill: a reflection on the process
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The design and implementation of shaping, cleaning and sealing objectives in root canal therapy are fraught with real and potential pitfalls when the anatomic complexity of the space and technical considerations for its instrumentation, disinfection and obturation are contemplated. This review will focus on the genesis of results that lead to endodontic overfills. We will look at how the literature defines overfill and overextension; attempt to address the consensus opinion on the definition of working length; and determine the effects of shaping geometry on overfill as well as the biological impact of obturation materials...
Source: Endodontic Topics - April 21, 2009 Category: Dentistry Authors: ALAN H. GLUSKIN Tags: Articles Source Type: journals
Longitudinal tooth fractures: findings that contribute to complex endodontic diagnoses
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The purpose of this review is to describe and discuss the diagnostic and treatment challenges related to tooth fractures primarily in the vertical plane, that is, the long axis of the crown and/or root. This includes when and how to identify and determine the extent of the fracture, when a coronal restoration should be placed, when root canal treatment is needed, and when a tooth or root should be extracted based on the location and extent of the fracture. The term 'longitudinal fractures' is used because they usually represent vertical extensions of fractures over distance and time. These fractures often present problems ...
Source: Endodontic Topics - April 21, 2009 Category: Dentistry Authors: ERIC M. RIVERA, RICHARD E. WALTON Tags: Articles Source Type: journals
GARY S.P. CHEUNG, BDS, MDS, PHDAssociate Professor in EndodonticsFaculty of DentistryUniversity of Hong KongHong Kong SARChina
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Source: Endodontic Topics - April 21, 2009 Category: Dentistry Tags: Biographies Source Type: journals
ALAN H. GLUSKIN, DDSProfessor and ChairpersonDepartment of EndodonticsArthur A. Dugoni School of DentistryUniversity of the PacificSan Francisco, CAUSA
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Source: Endodontic Topics - April 21, 2009 Category: Dentistry Tags: Biographies Source Type: journals
MICHAEL HÜLSMANN, DDS, PHDDepartment of Operative Dentistry, Preventive Dentistry and PeriodontologyUniversity of GöttingenGöttingenGermany
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Source: Endodontic Topics - April 21, 2009 Category: Dentistry Tags: Biographies Source Type: journals
SABINE NORDMEYER, DR MED DENTDepartment of Operative Dentistry, Preventive Dentistry and PeriodontologyUniversity of GöttingenGöttingenGermany
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Source: Endodontic Topics - April 21, 2009 Category: Dentistry Tags: Biographies Source Type: journals
ERIC M. RIVERA, DDS, MSChair and Jacob B. Freedland Endowed Associate ProfessorGraduate Program DirectorDepartment of EndodonticsSchool of DentistryUniversity of North CarolinaChapel Hill, NCUSA
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Source: Endodontic Topics - April 21, 2009 Category: Dentistry Tags: Biographies Source Type: journals
TINA RÖDIG, DR MED DENTDepartment of Operative Dentistry, Preventive Dentistry and PeriodontologyUniversity of GöttingenGöttingenGermany
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Source: Endodontic Topics - April 21, 2009 Category: Dentistry Tags: Biographies Source Type: journals
RICHARD E. WALTON, DMD, MSProfessorDepartment of EndodonticsCollege of DentistryUniversity of IowaIowa City, IAUSA
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Source: Endodontic Topics - April 21, 2009 Category: Dentistry Tags: Biographies Source Type: journals
Missed anatomy: frequency and clinical impact
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It is generally accepted that a major cause of the failure of root canal therapy is an inability to localize and treat all of the canals of the root canal system. The risk of missing anatomy during root canal treatment is high because of the complexity of the root canal system. All categories of teeth may have extra roots and/or canals, but the likelihood of finding aberrant canal configurations is higher in premolars and molars. In addition, lateral ramifications of the root canal system may be present in all teeth with a significant frequency, increasing the probability of leaving untreated spaces after root canal therap...
Source: Endodontic Topics - February 19, 2009 Category: Dentistry Authors: GIUSEPPE CANTATORE, ELIO BERUTTI, ARNALDO CASTELLUCCI Tags: Original Articles Source Type: journals
Repair of perforations with MTA: clinical applications and mechanisms of action
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Root perforations may occur due to pathological processes or treatment consequences. Such perforations are severe complications and are associated with dramatically compromised endodontic treatment outcomes, especially when bacterial infection is allowed to establish. A new material, mineral trioxide aggregate (MTA), promotes a favorable environment for regeneration and has been successfully used for perforation repair. This is in contrast to previously-used materials that often led to variable outcomes. Based on the currently-available literature, the guidelines for perforation repair and treatment options need to be re-e...
Source: Endodontic Topics - February 19, 2009 Category: Dentistry Authors: THOMAS CLAUDER, SU-JUNG SHIN Tags: Original Articles Source Type: journals
Ledging and blockage of root canals during canal preparation: causes, recognition, prevention, management, and outcomes
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Ledge formation, that is the iatrogenically created irregularity in the root canal that impedes access of instruments to the apex, and canal blockage caused by packing dentin chips and/or tissue debris are the least-studied parameters of root canal instrumentation. Variables associated with ledge formation and canal blockage by dentin chips and/or tissue debris are presented. Emphasis is given to their most common causes, recognition, management, prognosis, and prevention.
Source: Endodontic Topics - February 19, 2009 Category: Dentistry Authors: THEODOROS LAMBRIANIDIS Tags: Original Articles Source Type: journals
Development and sequelae of canal transportation
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Instrumentation of curved root canals is still a challenge even for skilled and experienced operators. During shaping of these canals, canal transportation, straightening, or canal deviation may occur. This paper describes different preparation outcomes as possible results of canal transportation, and the action of different root canal instruments when used in curved canals, and provides an overview of current in vitro and in vivo studies assessing canal transportation. In the second part of this paper, the clinical consequences of canal transportation such as insufficient cleaning and over-reduction of radicular dentin ar...
Source: Endodontic Topics - February 19, 2009 Category: Dentistry Authors: EDGAR SCHÄFER, TILL DAMMASCHKE Tags: Original Articles Source Type: journals
ELIO BERUTTI, MD, DDSProfessor and Chair of EndodonticsSchool of DentistryUniversity of TurinTurinItaly
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Source: Endodontic Topics - February 19, 2009 Category: Dentistry Tags: Biographies Source Type: journals
GIUSEPPE CANTATORE, MD, DDSAssociate Professor of EndodonticsUniversity of VeronaRomeItaly
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Source: Endodontic Topics - February 19, 2009 Category: Dentistry Tags: Biographies Source Type: journals
ARNALDO CASTELLUCCI, MD, DDSVisiting Professor of EndodonticsUniversity of Florence Dental SchoolFlorenceItaly
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Source: Endodontic Topics - February 19, 2009 Category: Dentistry Tags: Biographies Source Type: journals
THOMAS CLAUDER, MED DENTPrivate PracticeHamburgGermany
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Source: Endodontic Topics - February 19, 2009 Category: Dentistry Tags: Biographies Source Type: journals
TILL DAMMASCHKE, DR MED DENT HABILDepartment of Operative DentistryUniversity of MünsterMünsterGermany
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Source: Endodontic Topics - February 19, 2009 Category: Dentistry Tags: Biographies Source Type: journals
THEODOROS LAMBRIANIDIS, DDS, PhDProfessorDepartment of EndodontologyDental School of AristotelionUniversity of ThessalonikiThessaloniki
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Source: Endodontic Topics - February 19, 2009 Category: Dentistry Tags: Biographies Source Type: journals
OVE A. PETERS, DMD, MS, PhDProfessor and Director of Endodontic ResearchArthur A. Dugoni School of DentistryUniversity of the PacificSan Francisco, CAUSA
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Source: Endodontic Topics - February 19, 2009 Category: Dentistry Tags: Biographies Source Type: journals
EDGAR SCHÄFER, Prof DR MED DENTDepartment of Operative DentistryUniversity of MünsterMünsterGermany
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Source: Endodontic Topics - February 19, 2009 Category: Dentistry Tags: Biographies Source Type: journals
SU-JUNG SHIN, DDS, MSAssistant ProfessorDepartment of Conservative DentistryYongdong Severance Dental HospitalCollege of DentistryYonsei UniversitySeoulKorea
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Source: Endodontic Topics - February 19, 2009 Category: Dentistry Tags: Biographies Source Type: journals
Update on traumatic dental injuries: Introduction
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: LEIF K. BAKLAND Tags: Editorials Source Type: journals
Optimal use of photography, radiography and micro computed tomography scanning in the management of traumatized teeth
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: MITSUHIRO TSUKIBOSHI Tags: Original Articles Source Type: journals
Predictors for healing complications in the permanent dentition after dental trauma
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: JENS OVE ANDREASEN, TERESE RANDSKOV VINDING, SØREN STENO AHRENSBURG CHRISTENSEN Tags: Original Articles Source Type: journals
Tooth avulsion in children: to replant or not
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Replanting avulsed teeth with a doubtful long-term prognosis due to unfavorable extra-alveolar conditions has recently been questioned by Kenny and Barrett (1). Many factors, however, still favor replanting such teeth. First of all, reliability of failure predictors has not yet been tested in prospective studies. Secondly, preservation of even resorbing replanted teeth may offer significant long-term advantages in preparation for definitive treatment. Also, for psychological reasons, replantation can significantly reduce the anxiety and despair of both the injured child and the parents. Furthermore, decoronation of a resor...
Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: JENS OVE ANDREASEN, BARBRO MALMGREN, LEIF K. BAKLAND Tags: Original Articles Source Type: journals
Alveolar bone development after decoronation of ankylosed teeth
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Decoronation of ankylosed teeth in infraposition was introduced in 1984 by Malmgren and co-workers (1). This method is used all over the world today. It has been clinically shown that the procedure preserves the alveolar width and rebuilds lost vertical bone of the alveolar ridge in growing individuals. The biological explanation is that the decoronated root serves as a matrix for new bone development during resorption of the root and that the lost vertical alveolar bone is rebuilt during eruption of adjacent teeth. First a new periosteum is formed over the decoronated root, allowing vertical alveolar growth. Then the inte...
Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: BARBRO MALMGREN, OLLE MALMGREN, JENS OVE ANDREASEN Tags: Original Articles Source Type: journals
Missing anterior teeth: orthodontic closure and transplantation as viable options to conventional replacements
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: ARILD STENVIK, BJÖRN U. ZACHRISSON Tags: Original Articles Source Type: journals
Treatment of immature teeth with non-vital pulps and apical periodontitis
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: MARTIN TROPE Tags: Original Articles Source Type: journals
Internal inflammatory root resorption: the unknown resorption of the tooth
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Internal inflammatory root resorption is a relatively rare resorption that begins in the root canal and destroys surrounding dental hard tissues. Odontoclastic multinuclear cells are responsible for the resorption, which can grow to perforate the root if untreated. The initiating factor in internal root resorption is thought to be trauma or chronic pulpal inflammation, but other etiological factors have also been suggested. Active, expanding resorption requires vital pulp tissue and continuous microbiological irritation, likely from the necrotic coronal part of the root canal. In its classical form, internal root resorptio...
Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: MARKUS HAAPASALO, UNNI ENDAL Tags: Original Articles Source Type: journals
The role of antibiotics in preventing healing complications after traumatic dental injuries: a literature review
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Traumatic dental injuries result in tissue damage and risk of infection. Experimental studies have shown various avenues for bacterial invasion following trauma: enamel infractions, dentinal tubules, exposed pulps, damaged periodontal ligament (PDL) and exposed alveolar bone. Hematogenous seeding of bacteria (anachoresis) may also occur during pulpal revascularization after trauma. The implication of these routes of entry differs according to the type of traumatic dental injury. It is known that bacterial colonization in a wound may protract or even arrest healing. Hence, it might be of interest to examine the possibility ...
Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: JENS OVE ANDREASEN, SIMON STORGÅRD JENSEN, VARAWAN SAE-LIM Tags: Original Articles Source Type: journals
Relationship between calcium hydroxide pH levels in the root canals and periodontal healing after replantation of avulsed teeth
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Calcium hydroxide [Ca(OH)2], when used as a root canal dressing, has been shown to promote periapical healing, induce formation of an apical hard tissue barrier (apexification), and arrest infection-related root resorption. The main mechanism of action is thought to be the high alkalinity of Ca(OH)2 ensuring a bactericidal or bacteriostatic effect upon microorganisms in the root canal and dentinal tubules. Several anatomical factors related to the root canal, such as the coronal access cavity, the apical foramen, the dentinal tubules, and existing resorption cavities on the root surface, all allow leakage of hydroxide ions...
Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: JENS OVE ANDREASEN, LILLI JENSEN, SØREN STENO AHRENSBURG CHRISTENSEN Tags: Original Articles Source Type: journals
Guidelines for the management of traumatic dental injuries. I. Fractures and luxations of permanent teeth
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. Crown fractures and luxations occur most frequently of all dental injuries. An appropriate treatment plan after an injury is important for a good prognosis. Guidelines are useful for delivering the best care possible in an efficient manner. The International Association of Dental Traumatology (IADT) has developed a consensus statement after a review of the dental literature and group discussions. Experienced researchers and clinicians from various specialties were included in the group. In cases where the data did not appear conclusive, recommendations were based on the consensus opinion of the IADT board members. The gu...
Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: MT FLORES, L ANDERSSON, JO ANDREASEN, LK BAKLAND, B MALMGREN, F BARNETT, C BOURGUIGNON, A DIANGELIS, L HICKS, A SIGURDSSON, M TROPE, M TSUKIBOSHI, T VON ARX Tags: Original Articles Source Type: journals
Guidelines for the management of traumatic dental injuries. II. Avulsion of permanent teeth
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Guidelines for the management of traumatic dental injuries. II. Avulsion of Permanent Teeth. Avulsion of permanent teeth is the most serious of all dental injuries. The prognosis depends on the measures taken at the place of accident or the time immediately after the avulsion. Replantation is the treatment of choice, but cannot always be carried out immediately. An appropriate emergency management and treatment plan is important for a good prognosis. Guidelines are useful for delivering the best care possible in an efficient manner. The International Association of Dental Traumatology (IADT) has developed a consensus state...
Source: Endodontic Topics - June 28, 2008 Category: Dentistry Authors: MT FLORES, L ANDERSSON, JO ANDREASEN, LK BAKLAND, B MALMGREN, F BARNETT, C BOURGUIGNON, A DIANGELIS, L HICKS, A SIGURDSSON, M TROPE, M TSUKIBOSHI, T VON ARX Tags: Original Articles Source Type: journals
SØREN STENO AHRENSBURG CHRISTENSEN, MSCDepartment of Biochemistry/ProgrammingUniversity HospitalCopenhagenDenmark
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
JENS OVE ANDREASEN, DDS, ODONT DR, HC ERCSUniversity HospitalCopenhagenDenmark
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
LEIF K. BAKLAND, DDSProfessor and ChairDepartment of EndodonticsLoma Linda UniversityCA, USA
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
UNNI ENDAL, DDSAssistant Clinical ProfessorDepartment of EndodonticsUniversity of OsloNorway
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
MARKUS P. HAAPASALO, DDS, PHDDivision of EndodonticsFaculty of DentistryUniversity of British ColumbiaVancouverCanada
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
BARBRO MALMGREN, LDS, MED DR (PHD)Department of Clinical ScienceDivision of PediatricsKarolinska University HospitalStockholmSweden
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
OLLE MALMGREN, LDS, ODONT DR (PHD)Orthodontic ClinicFolktandvårdenUppsalaSweden
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
TERESE RANDSKOV VINDINGDental StudentSchool of DentistryUniversity of CopenhagenDenmark
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
VARAWAN SAE-LIM, DDS, FAMSAssociate ProfessorNational University of SingaporeSenior Consultant in EndodonticsNational University HospitalSingapore
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
ARILD STENVIK, LIC ODONT, DR ODONT (PHD)Department of EndodonticsUniversity of OsloOsloNorway
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
LILLI JENSEN, DDSPrivate practice, GermanyFormer Research AssociateDepartment of Oral and Maxillofacial SurgeryUniversity HospitalCopenhagenDenmark
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
SIMON STORGÅRD JENSEN, DDSConsultant Oral and Maxillofacial SurgeonCopenhagen University HospitalDenmark
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
MARTIN TROPE, BDSPrivate Practice in EndodonticsPhiladelphia, PAUSA
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
MITSUHIRO TSUKIBOSHI, DDS, PHDPrivate PracticeAichiJapan
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
BJÖRN U. ZACHRISSON, DDS, MSD, PHDDepartment of OrthodonticsUniversity of OsloNorway
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Source: Endodontic Topics - June 28, 2008 Category: Dentistry Tags: Biographies Source Type: journals
