Pre-surgical preparation
bleeding
BLEEDING, PLAQUE
Supra and subgingival instrumentation were performed using a universal curette and ultrasonic instrument (woodpecker U600, KMC). Pre-surgical preparation was performed following the EFP S3 guidelines.20 Step 1: full mouth supragingival scaling in one visit together with patient education and oral hygiene instructions. Step 2: therapy following clinical improvement of gingivalinflammation and subgingival instrumentation was performed in one visit. Adjunctive chemical plaque control of chlorhexidine digluconate (Antiseptol, Cairo Pharmaceuticals, and Chemical Industries Co., Egypt) mouth rinse 0.12% twice daily was prescribed. One month following Step 2 therapy, patients with a full-mouth plaque score of ≤ 20%, a full-mouth bleeding score of ≤ 20%, and a score of 0 at the selected site were included in the study.