“The Difference Upper Incisor and Upper Molar Alveolar Bone Loss between Smoker and Non-Smoker Patient with Chronic Periodontitis: Perbedaan Kehilangan Tulang Alveolar Gigi Insisivus dan Molar Rahang atas pada Pasien Periodontitis Kronis Perokok dan bukan Perokok”, Dentika Dental J., vol. 22, no. 1, pp. 6–11, Jul. 2019, doi: 10.32734/dentika.v22i1.269.