J Dent Rehabil Appl Sci.  2020 Dec;36(4):272-281. 10.14368/jdras.2020.36.4.272.

Temporary replacement of congenital missing incisors on mandible using temporary anchorage devices in growing patient: 2-year follow-up

  • 1Dental Clinic Center, Pusan National University Hosptial, Busan, Republic of Korea
  • 2Department of Orthodontics, School of Dentistry, Pusan National University, Yangsan, Republic of Korea


Agenesis of permanent tooth in adolescent patients can be treated either by orthodontic treatment for space closure or by main-taining the space until implant restoration can be carried out in adult. However, gradual atrophy of alveolar bone width makes it dif-ficult to restore the prosthesis in the future or may cause unaesthetic results. Therefore, maintaining of not only the missing space but also the alveolar bone width should be considered. This case is a treatment whereby a temporary replacement of missing 2 mandibular incisors in adolescent patient was carried out using 2 temporary anchorage devices (TADs). Two TADs were placed hori-zontally 2 - 3 mm below the top of alveolar ridge, and fixed with artificial teeth by stainless steel wires extended. During the 2 year follow-up, neither gingival inflammation nor loss of the TADs have occurred. In the radiographic evaluation, the growth of the adja-cent alveolar bone was not inhibited, and the width of the alveolar bone was maintained.


alveolar bone loss; tooth agenesis; dental implants; temporary restoration; adolescent
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