Tri Erri Astoeti, Hendra Kurniawan, Widijanto Sudhana, and Harijanto Wijaya, “EFFECT OF CHEWING POLYOLS GUMS ON THE ACCUMULATION OF DENTAL PLAQUE AROUND ORTHODONTIC BRACKETS: EFEK MENGUNYAH PERMEN KARET POLYOL TERHADAP AKUMULASI PLAK DI SEKITAR PERLEKATAN BRAKET”, Dentika Dental J., vol. 16, no. 1, pp. 74-77, Jul. 2011.