Atisook, P. (2018). Open Gingival Embrasures between Maxillary Incisors after Orthodontic Treatment in Adults : Prevalence, Association of Pretreatment Maxillary Incisors Shape and Malalignment. Journal of Health Science of Thailand, 17(Sup.6), SVI1613–1620. Retrieved from https://thaidj.org/index.php/JHS/article/view/5333