Patanaporn และผู้แต่งคนอื่นๆ. (2024) The Comparisons of Maxillary Anterior Teeth Positions and Smile AppearancesAfter Orthodontic Treatment Between Four First Premolar Extraction andNonextraction in Class I Crowding Cases. <i>Journal of The Dental Association of Thailand</i>, <i>74</i>(1), 001-014.Patanaporn และผู้แต่งคนอื่นๆ. "The Comparisons of Maxillary Anterior Teeth Positions and Smile AppearancesAfter Orthodontic Treatment Between Four First Premolar Extraction andNonextraction in Class I Crowding Cases". Journal of The Dental Association of Thailand 74 (2024):001-014.Patanaporn และผู้แต่งคนอื่นๆ. The Comparisons of Maxillary Anterior Teeth Positions and Smile AppearancesAfter Orthodontic Treatment Between Four First Premolar Extraction andNonextraction in Class I Crowding Cases. The Dental Association of Thailand:ม.ป.ท. 2024.