Keratinized mucosa width assessment at implant sites using high‐frequency ultrasonography

Author:

Tavelli Lorenzo123ORCID,Yu Ning14,Mancini Leonardo135,Barootchi Shayan23ORCID

Affiliation:

1. Department of Oral Medicine Infection, and Immunity Division of Periodontology Harvard School of Dental Medicine Boston Massachusetts USA

2. Department of Periodontics & Oral Medicine University of Michigan School of Dentistry Ann Arbor Michigan USA

3. Center for clinical Research and evidence synthesis In oral TissuE RegeneratION (CRITERION) Boston USA

4. The Forsyth Institute Cambridge Massachusetts USA

5. Department of Life Health and Environmental Sciences University of L'Aquila L'Aquila Italy

Abstract

AbstractBackgroundThe aim of this study was to describe the application of high‐frequency ultrasonography (HFUS) for assessing keratinized mucosa (KM) width at implant sites.MethodsKM width was measured at 28 implant sites exhibiting a peri‐implant soft tissue dehiscence at baseline and 12 months after soft tissue augmentation. KM width assessment was performed with a periodontal probe [clinical assessment (clKM)] and with HFUS, based on the echointensity of the keratinized epithelium compared to the adjacent structures. KM width measurements on ultrasound scans were performed linearly (lnKM) and along the soft tissue profile [surface distance (sdKM)].ResultsNo statistically significant differences were observed between clKM, lnKM, and sdKM at baseline, while at 12 months, sdKM (5.313 ± 1.188 mm) was significantly higher than clKM (3.98 ± 1.25 mm) and lnKM (4.068 ± 1.197 mm) (P < 0.001 for both comparisons). A linear relationship between mucosal thickness (MT) and the difference between sdKM and lnKM was observed. In 95.2% of cases with MT > 2.51 mm, the discrepancy between sdKM and lnKM was at least 1 mm.ConclusionsHFUS is a noninvasive and valuable tool for measure KM width at implant site. Evaluating KM width along the soft tissue profile as a surface distance may improve the accuracy of the assessment.

Publisher

Wiley

Subject

Periodontics,General Medicine

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