Failure of endodontically treated teeth: Classification and evaluation

Vire, Donald E.

doi:10.1016/s0099-2399(06)81702-4

Cited by 277 publications

(217 citation statements)

References 7 publications

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“…These include but are not limited to the absence of an apical lesion, use of dental dams during treatment and core placement, use of surgical operating microscopes, periodontal condition, structural integrity/restorability of the tooth, biofilms, and effective post-endodontic restoration. 4,14,15,16,17,18,19,20,21,22 The endodontic literature is replete with research focused on these local factors, yet few articles have been published that focus on the effect of provider training on outcomes. Alley et al 23 found that endodontic treatment provided by endodontic specialists was more than 10% more successful than treatment provided by general dentists.…”

mentioning

confidence: 99%

Outcomes of Primary Endodontic Therapy Provided by Endodontic Specialists Compared with Other Providers

Burry

Stover

Eichmiller

et al. 2016

Journal of Endodontics

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Introduction: The objective of this study was to compare the outcomes of initial nonsurgical root canal therapy for different tooth types provided by both endodontists and other providers. Methods: By using an insurance company database, 487,476 initial nonsurgical root canal therapy procedures were followed from the time of treatment to the presence of an untoward event indicated by Current Dental Terminology codes for retreatment, apical surgery, or extraction. Population demographics were computed for provider type and tooth location. KaplanMeier survival estimates were calculated for 1, 5, and 10 years. Hazard ratios for provider type and tooth location were calculated by using the Cox proportional hazards model. Results:The survival of all teeth collectively was 98% at 1 year, 92% at 5 years, and 86% at 10 years. Significant differences in survival on the basis of provider type were noted for molars at 5 years and for all tooth types at 10 years. The greatest difference discovered was 5% higher survival rate at 10 years for molars treated by endodontists. A hazard ratio of 1.394 was found when comparing other providers' success with that of endodontists within this 10-year molar group. Conclusions: These findings show that survival rates of endodontically treated teeth are high at 10 years after treatment regardless of provider type. Molars treated by endodontists after 10 years have significantly higher survival rates than molars treated by non-endodontists.

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mentioning

confidence: 99%

Outcomes of Primary Endodontic Therapy Provided by Endodontic Specialists Compared with Other Providers

Burry

Stover

Eichmiller

et al. 2016

Journal of Endodontics

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“…In other words, endodontic therapy alone does not guarantee successful retention of the tooth or prevent its future loss. Extensively decayed or unrestorable tooth, tooth fracture, and periodontal disease, in conjunction with apical periodontitis, are more frequently indications for tooth extraction than the endodontic failure itself (Sorensen & Martinoff, 1985;Sjogren et al, 1990;Vire, 1991;Caplan & Weintraub, 1997;Chen et al, 2008). A common issue with endodontically treated teeth is that when a failure does occur, the residual pathology can create potential problems for subsequent implant placement.…”

Section: Risk Factors And/or Complexity Of Each Treatment Modalitymentioning

confidence: 99%

An Important Dilemma in Treatment Planning: Implant or Endodontic Therapy?

Çobankara¹,

Bellí²

2011

Implant Dentistry - A Rapidly Evolving Practice

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“…Presumably, in a significant number of cases it also results in failure of RCT by possible miss of the root canal, by perforation, or even instrument separation, whereas reliable epidemiological data on this presumption are not available [7]. A supposable reason for the lack of this knowledge is, that most studies investigating failures of RCT or reasons for tooth extraction do not look at this eventually impairing parameter [8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Narrowing of the radicular pulp space in coronally restored teeth

2016

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OBJECTIVES Narrowed radicular pulp spaces are frequently observed in teeth wearing extended restorations. The present study investigates whether the narrowing of particularly the radicular pulp space can be attributed to coronal restorations. MATERIALS AND METHODS The study is based on an anonymized copy of the cone-beam computed tomography (CBCT) database from the Center of Dental Medicine of the University of Zurich. One hundred CBCT scans were selected out of 7317 data sets to match either a crowned (group A; n = 50) or a filled tooth (group B; n = 50) with a contralateral healthy, unrestored, and caries-free control tooth at the same position, respectively. Cross-sectional images were adjusted in the coronal, middle, and apical root third of each subjected tooth. Screenshots were taken in that position and analyzed. The area occupied by the pulp space was determined as percentage area of the whole root diameter on each cross section. The resulting values were compared between restored and control teeth. RESULTS In both groups (crowned and filled teeth) and in all the three root thirds, the radicular pulp space was significantly narrower in the restored teeth compared to the control teeth. The strongest narrowing effect was observed in the coronal root third and it decreased towards the apical root third (both groups). CONCLUSIONS Teeth with coronal restorations show within the limitations of the present study a significant narrowing of their radicular pulp space. CLINICAL RELEVANCE The asserted narrowing could have a complicating effect if root canal treatment becomes necessary in those teeth. Abstract:Objectives: Narrowed radicular pulp spaces are frequently observed in teeth wearing extended restorations. The present study investigates whether the narrowing of particularly the radicular pulp space can be attributed to coronal restorations. Materials and Methods:The study is based on an anonymized copy of the cone-beam computed tomography (CBCT) database from the center of dental medicine of the university of zurich. One hundred CBCT scans were selected out of 7317 data sets to match either a crowned (group A; n=50) or a filled tooth (group B; n=50) with a contralateral healthy, unrestored, and caries-free control tooth at the same position, respectively. Cross-sectional images were adjusted in the coronal, middle and apical root third of each subjected tooth. Screenshots were taken in that position and analyzed. The area occupied by the pulp space was determined as percentage area of the whole root diameter on each cross-section. The resulting values were compared between restored and control teeth. Results:In both groups (crowned and filled teeth) and in all three root-thirds, the radicular pulp space was significantly narrower in the restored teeth compared to control teeth. The strongest narrowing effect was observed in the coronal root third and it decreased towards the apical root third (both groups). Conclusions:Teeth with coronal restorations show within the limitations of the present stu...

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Failure of endodontically treated teeth: Classification and evaluation

Cited by 277 publications

References 7 publications

Outcomes of Primary Endodontic Therapy Provided by Endodontic Specialists Compared with Other Providers

Outcomes of Primary Endodontic Therapy Provided by Endodontic Specialists Compared with Other Providers

An Important Dilemma in Treatment Planning: Implant or Endodontic Therapy?

Narrowing of the radicular pulp space in coronally restored teeth

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