Abstract
The purpose of this study was to clinically evalu-ate the coverage of facial gingival recessions by Semilunar Coronally Repositioned Flap at the 18 months. The subjects were 12 patients and 18 exposed roots of Miller Class I recessions (verti-cal ression depth of 4.0mm or less) on the maxil-lary anterior teeth. Clinical assessments included vertical recession depth (VRD), probing pocket depth (PPD), probing attachment level (PAL), and keratinized tissue width (KTW). These mea-surements were taken with a pressure sensitive prove (TPS probe) in 20 g of probing pressure at the before surgery and every 6 months after sur-gery. The results showed that the mean of the root coverage was 1.8mm (92.1% of vertical root cover-age ratio), and the mean of the probing attachment gain was 1.9 mm at the 18 months after the surgery. Statistically significant differences were found between the result of the 18 months after the sur-gery and at the before surgery (p<0.0001). The mean of increase keratinized tissue width was 0.4 mm, and the mean of probing pocket reduction was 0.2mm, but there were no statistically significant differences were observed. Furthermore, the clini-cal evaluation of these periodontal parameters that compared with natural teeth group and prosthetic teeth group in the subjects, in natural teeth group may obtained a slightly satisfactory results, but there were no statistically significant differences.
