Chanchai Porntongprasert. 2000. The maxillary first permanent molar rotation in acceptable occlusions among a young northeast Thai sample. Program of Orthodontics, Khon Kaen University;
Chanchai Porntongprasert. (2000) The maxillary first permanent molar rotation in acceptable occlusions among a young northeast Thai sample . Khon Kaen University/Khon Kaen.
Chanchai Porntongprasert. The maxillary first permanent molar rotation in acceptable occlusions among a young northeast Thai sample. . Khon Kaen:Khon Kaen University, 2000.
Chanchai Porntongprasert. (2000) The maxillary first permanent molar rotation in acceptable occlusions among a young northeast Thai sample . Khon Kaen University/Khon Kaen.