Atipatyakul, W. “Treatment of Localized Periodontal Disease Induced by Palato-Gingival Groove in Maxillary Lateral Incisor: A Case Report”. Journal of The Department of Medical Services, vol. 44, no. 6, Dec. 2019, pp. 123-7, https://he02.tci-thaijo.org/index.php/JDMS/article/view/244806.