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Patterns of bone loss around teeth restored with endodontic posts.
Sokratis Katsamakis1, Mark Timmerman, Ubele Van der Velden
1Department of Periodontology, Academic Centre for Dentistry Amsterdam, Amsterdam 1066 EA , The Netherlands.
Journal of Clinical Periodontology
|October 8, 2009
Summary
Endodontic posts in periodontitis patients are linked to more angular bone loss defects, particularly on the mesial side, compared to teeth without posts. Bone loss levels were similar, but defect types differed.
Area of Science:
- Periodontology
- Endodontics
- Prosthodontics
Background:
- Periodontitis significantly impacts alveolar bone support around teeth.
- Endodontic posts are commonly used to restore function to endodontically treated teeth.
- Understanding bone loss patterns around posts is crucial for long-term tooth retention.
Purpose of the Study:
- To describe bone loss patterns around endodontic posts in periodontitis patients.
- To compare bone loss around teeth with posts versus contralateral teeth without posts.
Main Methods:
- Retrospective analysis of radiographic surveys from 146 periodontitis patients (age ≥35).
- 194 roots with endodontic posts and contralateral roots without posts were selected, excluding specific molar types.
- Evaluated technical parameters, endodontic/restorative status, bone level (CEJ/restoration margin), and bone loss pattern (angular/horizontal).
Main Results:
- No significant difference in bone level distance from CEJ/restoration margin between teeth with and without posts.
- Teeth with posts exhibited significantly more mesial angular bone defects (18.8%) compared to contralateral teeth (7.3%).
- Angular defects around posts often approximated the post's apical tip.
Conclusions:
- Endodontic posts in periodontitis patients are associated with a higher prevalence of mesial angular bony defects.
- The findings highlight a specific bone loss pattern related to endodontic post placement in periodontitis.
- Further investigation into the biomechanical factors influencing this bone loss pattern is warranted.
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