Kunyamon La-orkhun และ Pineekan Lapanun. (2022) A Morphometric Study of the Root Concavity on the Extracted First Premolar in a Group of the Thai Population. <i>Chiang Mai Dental Journal</i>, <i>43</i>(1), 13-18.Kunyamon La-orkhun และ Pineekan Lapanun. "A Morphometric Study of the Root Concavity on the Extracted First Premolar in a Group of the Thai Population". Chiang Mai Dental Journal 43 (2022):13-18.Kunyamon La-orkhun และ Pineekan Lapanun. A Morphometric Study of the Root Concavity on the Extracted First Premolar in a Group of the Thai Population. Faculty of Dentistry, Chiang Mai University:ม.ป.ท. 2022.