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Dentin Hypersensitivity and Gingival Recession: Impact of Root Surface Coverage-A Retrospective Study
Romain Ohanessian1,2, Angéline Antezack1,2,3, Alexandre Feuillette1,2
1Faculté des Sciences Médicales et Paramédicales, École de Médecine Dentaire, Aix-Marseille Université, Marseille, France.
Summary
Periodontal plastic surgery effectively suppresses dentin hypersensitivity by achieving root surface coverage. Greater root surface coverage significantly correlates with reduced hypersensitivity, highlighting its importance in treatment success.
Area of Science:
- Periodontology
- Dental Surgery
Background:
- Dentin hypersensitivity (DH) is a common clinical finding.
- Gingival recession can expose root surfaces, leading to DH.
- Periodontal plastic surgery aims to cover exposed root surfaces.
Purpose of the Study:
- To evaluate the association between root surface coverage achieved through periodontal plastic surgery and the suppression of significant dentin hypersensitivity.
- To compare surgical outcomes in terms of root coverage between teeth with and without persistent DH.
Main Methods:
- Patients with significant DH (Schiff score ≥2) and gingival recession underwent periodontal plastic surgery for root coverage.
- At 6 months post-surgery, DH prevalence was reassessed.
- Surgical outcomes were measured by the percentage of root surface coverage and root height coverage (in pixels and millimeters).
Main Results:
- A significant reduction in DH prevalence was observed, with 93.2% of treated teeth showing suppression 6 months postoperatively.
- Complete root surface coverage was significantly higher in teeth without DH (69.6%) compared to those with persistent DH (0.0%).
- Mean root surface coverage was significantly greater in teeth without DH (88.3%) than in those with DH (62.6%).
Conclusions:
- Successful surgical root coverage, especially the extent of root surface coverage, is a critical factor in achieving dentin hypersensitivity suppression.
- Periodontal plastic surgery demonstrates efficacy in managing DH by addressing root exposure.
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