EFEKTIFITAS PENGENCERAN CHLORHEXIDINE 0,2% 1:1 TERHADAP KASUS GINGIVITIS SERTA EVALUASI DISKOLORASI PADA GIGI (Penelitian) - Rosmelita, Dessy; Periodontics Residency Program, Faculty of Dentistry, Universitas Indonesia, Jakarta 10430 (Faculty of Dentistry, University of Indonesia, 2015)