• Duygu Yaman, Seden Aksu, Rian Dişçi, and Korkud Demirel.
• 1. Department of Periodontology, Faculty of Dentistry, Istanbul University, Istanbul, TURKEY.
• Int J Med Sci. 2014 Jan 1; 11 (10): 1009-14.

BackgroundThe aim of the study was to clinically investigate the mucosal variations in different parts of hard palate subject to soft tissue harvesting and its relationship with selected parameters in patients with gingival recessions.Materials & MethodsFifty periodontally healthy, dentate subjects (13 males) with gingival recessions were enrolled into the study. After initial periodontal therapy they were scheduled for surgical procedures. Palatal masticatory mucosa of five teeth was evaluated at five different points from the gingival margin and two points on the buccal gingival mucosa were evaluated on the day of surgical intervention via bone sounding method. Totally 27 assessments were performed for each patient.ResultsThe overall mean thickness of palatal masticatory mucosa (PMM) was 2.55±0.49mm. The mean mid-facial gingival thickness was 1.11±0.39mm. The PMM showed an increase towards the posterior and raphe palatina. No difference was observed between genders, and no association of body mass index (BMI) and age with PMM was determined. An association was observed between the thicknesses of mid-facial gingival and palatal masticatory mucosa.ConclusionThe thickness of PMM in this study seems to be less than other reports possibly due to ethnicity or measurement design. Canine and premolar region reveals higher thickness values, and the increase in the tissue thickness towards the midline should also been taken into consideration. Clinicians planning soft tissue harvesting from the palate should take this variation into consideration. In this regard transmucosal probing of the donor site may provide valuable information where considerable variation exists.

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