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- Title
The association between shallow vestibular depth and peri-implant parameters: a retrospective 6 years longitudinal study.
- Authors
Halperin‐Sternfeld, Michal; Zigdon‐Giladi, Hadar; Machtei, Eli E.
- Abstract
Aim The aim of this study was to retrospectively evaluate the association between shallow vestibular depth ( VD) and peri-implant parameters. Material and Methods Peri-implant parameters were evaluated in 61 periodontal patients under regular supportive periodontal therapy. Clinical parameters included gingival index ( GI), plaque index ( PI), bleeding on probing ( BOP), peri-implant pocket depths ( PPD), mucosal recession ( MR), relative attachment level ( RAL), width and thickness of keratinized mucosa ( KMW, KMT) and VD. Radiographic bone level ( RBL) was measured on peri-apical radiographs. Results Sites with shallow VD (≤4 mm) were associated with higher MR (0.91 mm versus 0.47 mm, p ≤ 0.009), higher RAL (4.23 mm versus 3.59 mm, p ≤ 0.0001) and higher RBL (2.18 mm versus 1.7 mm, p = 0.05) when compared with adequate vestibular depth sites ( VD >4 mm). Moreover, sites with shallow VD presented lower KMW compared with sites with adequate VD (1.24 mm versus 2.38 mm, respectively, p ≤ 0.0001). Slightly greater BOP, and GI were recorded for the shallow VD compared with adequate sites. According to multivariate analysis, factors that could predict RAL included: VD, GI, age, supporting periodontal therapy, implant type and design. Conclusions Based on this study, inadequate vestibular depth around dental implants may be associated with increased peri-implant bone loss and mucosal recession. Further prospective and intervention studies will be required to fully understand this phenomenon.
- Subjects
DENTAL implants; BONE resorption; GINGIVA; LONGITUDINAL method; MEDICAL protocols; MULTIVARIATE analysis; PERIODONTAL disease; RETROSPECTIVE studies; DESCRIPTIVE statistics; MANN Whitney U Test
- Publication
Journal of Clinical Periodontology, 2016, Vol 43, Issue 3, p305
- ISSN
0303-6979
- Publication type
Article
- DOI
10.1111/jcpe.12504