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Increase of interproximal bone density after subgingival instrumentation: a quantitative radiographical study
B Dubrez1, J M Graf, P Vuagnat
1Division of Physiopathology and Periodontology, Dental School, Medical Faculty, University of Geneva, Switzerland.
Journal of Periodontology
|December 1, 1990
Summary
Subgingival instrumentation significantly improved periodontal health and increased interproximal bone density in patients with periodontitis. This treatment enhanced bone structure over a one-year period, indicating successful periodontal regeneration.
Area of Science:
- Periodontology
- Dental Radiology
- Bone Densitometry
Background:
- Periodontal disease involves inflammation and bone loss.
- Subgingival instrumentation is a standard treatment for periodontitis.
- Radiographic assessment is crucial for monitoring bone changes.
Purpose of the Study:
- To evaluate the clinical and radiographic effects of subgingival instrumentation on periodontal parameters.
- To assess changes in interproximal bone density following periodontal treatment.
Main Methods:
- 10 patients with periodontitis underwent subgingival instrumentation and received hygiene instructions.
- Clinical parameters (gingival inflammation, plaque index, mobility, pocket depth, attachment loss) were recorded.
- Standardized radiographs were taken to measure interproximal bone density using computer-assisted densitometry.
Main Results:
- Significant improvements in clinical periodontal parameters were observed one year post-treatment.
- Radiographic analysis revealed statistically significant increases in superficial and deep interproximal bone density at 6 months and 1 year.
- Superficial bone density increased by an average of 16% at 1 year compared to immediately after treatment.
Conclusions:
- Subgingival instrumentation leads to significant clinical improvements in periodontal health.
- The treatment promotes interproximal bone regeneration, evidenced by increased bone density on radiographs.
- This study demonstrates the efficacy of periodontal therapy in restoring bone structure.