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Solving The Complications Of Treating A Unilateral Submerged And Ankylosed Maxillary Permanent First Molar – A Case Report, Han-Wen Yang, Hsin-Yi Lo, Kwong-Wa Li, Liang-Ru Chen

Taiwanese Journal of Orthodontics

The study reported an adult orthodontic case with a unilateral ankylosed upper permanent first molar. A number of complications occurred, including occlusal plane canting, dental midline deviation and asymmetric molar relationship. The case demonstrated the mechanics used to solve all the complications we met. The case also showed the phenomenon that after extraction of the ankylosed tooth, the bone remodeling mechanism of the bone in situ seemed abnormal and resulted in difficulty of protracting the tooth into the extracted site. All the above reasons, therefore, resulted in prolonged treatment time. In addition, the case also demonstrated the method we used …