ArticleDental traumatology : official publication of International Association for Dental Traumatology2026
External Cervical Resorption Treatment: A Single-Center Retrospective Cohort Study of Cases Treated Over a 20-Year Period.
Article in Dental traumatology : official publication of International Association for Dental Traumatology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Vulnerability of third molars to internal resorption: two case reports ofInternational journal of surgery case reports · 2026Article
- Potential of Trichloroacetic Acid in Smear Layer and Calcium Hydroxide Removal in Root Canals-Exploratory Pilot Studies In Vitro.International dental journal · 2026Article
- Dental Traumatology in Contemporary Practice: From Evidence to Education and Clinical Practice.Dental traumatology : official publication of International Association for Dental Traumatology · 2026Article
- External cervical resorption treatments in routine dental practice: a nationwide registry-based cohort study with long-term follow-up.BMC oral health · 2026Article
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1 author.
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Abstract
aimExternal cervical resorption is a clinically challenging destructive process, with its etiology poorly understood. This study aimed to evaluate the survival of external cervical resorption treatments performed by a single operator over 20 years. MATERIALS AND
methodsA dataset of recalled external cervical resorption cases treated from 1996 to 2023 was created. The measured metrics included Heithersay classification, tooth type, historical treatment period, treatment modality, and pre-treatment pulp status. Adverse sequelae such as extractions, revisions, and surgeries were analyzed. A multivariable Cox regression analysis was performed for independent predictors of tooth extraction. The analysis included Heithersay classification, tooth type, time period, and treatment modality.
resultsThe 5-year censored survival rate was 83.6%. The most commonly treated resorption was Heithersay class 2, yielding a 5-year survival rate of 89.5%. Anterior teeth exhibited the lowest survival rate (76.6%), and molars possessed the highest survival rate (95.2%) at 5 years. Combined non-surgical endodontic treatment with surgery resulted in the highest five-year survival rate (91.0%). A non-surgical internal root approach yielded a survival rate of 82.2% at 5 years. No statistical survival difference was observed between the teeth initially presenting with root canal filling, as necrotic, or with vital pulps. The treatment period from 2014 to 2018 exhibited the highest survival rate at 93.3%. The hazard ratio was highest for anterior teeth at 6.225. Adverse sequelae were noted in 29.7% (n = 47) of the cases. These included root fracture, progressive resorption, endodontic pathosis, periodontal pockets, and percussion sensitivity; root fracture led to extraction, and other sequelae could be managed.
conclusionsThe clinical management of external cervical resorption has previously been regarded as unpredictable, with outcomes often considered short-to-medium term and frequently leading to eventual extraction. This study suggests that most teeth with external cervical resorption can be treated successfully and saved.
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