Hashim Hayder A
Division of Orthodontics, in the Department of Preventive Dental Sciences of the College of Dentistry at King Saud University in Riyadh, Saudi Arabia.
J Contemp Dent Pract. 2004 Feb 15;5(1):136-44.
A 10-year old Egyptian male presented with a geminated upper right central incisor along with a fused and rotated upper left central incisor in cross bite. He also had severe crowding in the maxillary arch and a congenitally missing lower right first permanent premolar. Orthodontic treatment was carried out to align upper right and left central incisors, lateral incisors, and canines. Treatment options were discussed.
一名10岁的埃及男性患者，右上中切牙呈双生牙，左上中切牙融合且扭转并伴有反合。上颌牙弓严重拥挤，右下第一恒前磨牙先天性缺失。进行了正畸治疗以排齐右上、左上中切牙、侧切牙和尖牙，并讨论了治疗方案。
