The Impact of Using 3D Printed Surgical Guided Crown Lengthening in Treatment of Excessive Gingival Display: A Randomized Clinical Study
DOI:
https://doi.org/10.48047/z2x6ja54Keywords:
Three-Dimensional, Crown Lengthening, Excessive Gingival Display, Proping Pocket DepthAbstract
Background: Three-dimensional (3D) technology has been utilized in the production of surgical guides, reducing operating time and minimizing complication rates, hence enhancing cases satisfaction and acceptance. The investigation aimed to compare the 3D printed surgical guided crown lengthening versus the conventional surgical technique in the management of excessive gingival display (EGD) (gummy smile). Methods: This randomized clinical investigation has been performed on 24 cases aged from 18 to 49 years old, both genders, with EGD. Cases have been separated into two equal groups: Group I:
managed by conventional surgical crown lengthening and Group II: treated by three-dimensional printed surgical guided crown lengthening. Results: There was a significant elevation in biological width measurements from two to four and
four to six months. Bone level and crown length measurement after six months showed significantly higher value compared to baseline measurement. The mean gingival margin level and proping pocket depth measurement after six months were significantly reduced value than baseline measurement (Pvalue under 0.05). Operation times were significantly longer in group I than group II (P-value under 0.001). Patient satisfaction was significantly different between both groups. After 24 hours, two weeks, group I illustrated a significantly higher pain score than group II (P<0.05). Conclusions: Digitally assisted surgical esthetic crown lengthening (ECL) exhibited superior clinical outcomes over conventional technique on the level of position of post-operative gingival margin and bone level. Digitally assisted surgical ECL appeared to produce less post-operative pain, more acceptance and satisfaction by the patient and shorten the operating time.
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References
Al-Harbi F, Ahmad I. A guide to minimally invasive crown lengthening and tooth preparation for rehabilitating pink and white aesthetics. Br Dent J. 2018;224:228-34. 2. Domínguez E, Pascual-La Rocca A, Valles C, Carrió N, Montagut L, Alemany AS, et al. Stability of the gingival margin after an aesthetic crown lengthening procedure in the anterior region by means of a replaced flap and buccal osseous surgery: a prospective study. Clin Oral Investig. 2020;24:3633-40.
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