Dr.Nidhi Shah Comparative Evaluation of Treatment of Gingival Hyperpigmentation Using Scalpel and Diode Laser: A Clinical Study - Piparia-Vadodara Sumandeep Vidyapeeth 2016-2019 - Xiii,85 Hb Subjects--Topical Terms: PERIODONTICS Dewey Class. No.: 617.632 / SHA