ArticleBMC oral health2022
Success rate of fractured teeth receiving modified crown lengthening surgery and restorations.
Article in BMC oral health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Modified titanium post with polished sidewalls and prefabricated shoulders can effectively preserve the teeth with subgingival defects.Scientific reports · 2025Article
- Factors Affecting Patients' Atttendance for Periodontal Follow-up Visits after Crown Lengthening Surgery.Oral health & preventive dentistry · 2024Article
- One case of complicated crown root fracture of upper anterior teeth managed by multidisciplinary joint approaches.Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology · 2024Article
- Efficacy of crown lengthening for restoration of maxillary anterior tooth defects.American journal of translational research · 2023Article
- [Healing of the dento-gingival junction following modified crown lengthening procedure in beagle dogs].Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences · 2022Article
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Authors and funding
6 authors.
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Abstract
backgroundWhether to preserve a structurally compromised tooth or remove it is a dilemma often encountered by clinicians. The aim of this study was to assess the long-term success rate of fractured teeth preserved by modified crown lengthening surgery and restorations.
methodsThirty-nine patients with a total of 45 fractured teeth who had received modified crown lengthening surgery were recruited and examined. Numbers of teeth lost were recorded, and the criteria for successful teeth were defined. Kaplan-Meier estimator was used to determine the success rate. Possible risk factors were compared between successful and unsuccessful groups by a Cox regression analysis to explore the potential predictors of failure with a significant level at α = 0.05.
resultsThe mean ± SD of success time without considering variants was 6.2 ± 0.6 years (95% CI 5.1-7.7). The mean survival rates ± SD at 1.0-, 2.0-, 3.0-, 5.0-, 7.0-, and 9.0-year intervals was 97.8 ± 2.2%, 92.2 ± 4.4%, 72.8 ± 7.9%, 68.2 ± 8.6%, 60.7 ± 10.5%, and 40.4 ± 13.6%, respectively. Failure cases in teeth with poor plaque control and step-shaped fracture margin were significantly more than those with good plaque control and knife-shaped fracture margin (HR = 7.237, p = 0.011; HR = 15.399, p = 0.006; respectively).
conclusionsFractured teeth treated with modified crown lengthening surgery are anticipated to have a high clinical success rate for 6.2 ± 0.6 years. Plaque control and fracture morphology appeared to be significantly associated with the success of the multidisciplinary treatment approach.
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