Sirikururat P, Benjapupatthananan S. Relationship between smile line, gingival biotype, tooth shape, and gingival zenith of maxillary anterior teeth in a group of Thai young adults. M Dent J [Internet]. 2019 Aug. 5 [cited 2024 May 18];39(2):107-14. Available from: https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/182102