EVALUATION OF MANUAL AND MOTOR-DRIVEN TOOTHBRUSHES.
D003728:Dental Calculus; D005882:Gingival Diseases; D005891:Gingivitis; D006801:Humans; D010510:Periodontal Diseases; D014099:Toothbrushing
DENTAL CALCULUS; GINGIVITIS; PERIODONTAL DISEASES; TOOTHBRUSHING