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Supraeruption as a consideration for implant restoration
Bo Ah Lee1, Byoungheon Kim1, Young Taek Kim2
1Department of Periodontology, National Health Insurance Service Ilsan Hospital, Goyang, Korea.
Journal of Periodontal & Implant Science
|July 10, 2020
Summary
Maxillary second molar supraeruption affects 78% of patients, influenced by sex, age, and periodontitis history. Its amount and rate are similar across groups, suggesting consideration during mandibular implant placement.
Area of Science:
- Dental Implantology
- Periodontology
- Orthodontics
Background:
- Supraeruption of unopposed teeth is a common clinical observation.
- Understanding factors influencing supraeruption is crucial for treatment planning, especially in restorative dentistry.
Purpose of the Study:
- To compare the prevalence, amount, and rate of maxillary second molar supraeruption.
- To investigate the influence of sex, age, and history of periodontitis on supraeruption.
Main Methods:
- Retrospective analysis of 65 patients scheduled for mandibular second molar implant placement.
- Measurement of supraeruption and alveolar bone levels from panoramic radiographs.
- Statistical analysis including logistic regression and Mann-Whitney U test.
Main Results:
- Supraeruption prevalence was 78%, influenced by sex, age, and periodontitis history.
- Mean supraeruption amount was 0.91 mm; mean rate was 0.14 mm/month.
- No significant differences in supraeruption amount or rate were found based on sex, age, or bone level.
Conclusions:
- Maxillary second molar supraeruption amount is comparable to occlusal enamel thickness.
- Supraeruption of the antagonist tooth should be considered when planning mandibular second molar implant placement.
