Clinical Efficacy of Soft Tissue Trimmer in Cases of Gingival Hyperplasia.

In the control group: 1. Following the local anaesthetic administration, A reverse bevel gingivectomy will be performed with a #15c scalpel. 2. The borderline of gingiva will be determined via the use of a pointer dental tweezers, and excessive gingival tissue will then be removed with Gracey curettes 3. No periodontal packs to be applied to ensure accurate evaluations of follow-up pain and wound healing In the intervention group: 1. Following the local anaesthetics administration for the Soft tissue trimmer(STT) gingivectomies, Soft tissue trimmer will be used with 400-rpm rotary systems and with no serum irrigation, per the manufacturer's recommendation. 2. Gingivoplasties will be performed with the same Soft tissue trimmer to easily provide a knife-edge appearance. 3. No periodontal packs will be applied to ensure accurate evaluations of follow-up pain and wound healing.