Abstract
Abstract Background A young adolescent female, aged 17 years and one month, presented seeking orthodontic treatment to address the congenital absence of her maxillary lateral incisors. Aims The therapeutic aims were to provide an adequate aesthetic and functional occlusion, coupled with sound adjunctive periodontal tissue relationships and a favourable long-term prognosis. Methods The malocclusion was managed by customised lingual orthodontic appliances and the adjunctive use of direct skeletal anchorage derived from two palatal mini-implants. Results The treatment objectives of good aesthetics, a functional occlusion, normal function, a healthy periodontium and a balanced profile were readily achieved. The retention records demonstrate the stability of the correction. The treatment duration was approximately 41 months, which encompassed the use of full fixed customised lingual appliances over a period of 24 months.
Highlights
The problem of absent permanent teeth generally has a genetic or an acquired aetiology, and may involve hypodontia of up to six missing teeth; oligodontia, more than six missing teeth; or complete anodontia, when all teeth are missing
Patients with congenitally missing teeth may benefit greatly from orthodontic treatment, in which the adjacent teeth are moved in a controlled manner to close the resulting spaces
It is believed that the orthodontic treatment performed for the present patient was unique amongst previously reported cases for several reasons
Summary
The problem of absent permanent teeth generally has a genetic or an acquired aetiology, and may involve hypodontia of up to six missing teeth; oligodontia, more than six missing teeth; or complete anodontia, when all teeth are missing. Patients with congenitally missing teeth may benefit greatly from orthodontic treatment, in which the adjacent teeth are moved in a controlled manner to close the resulting spaces. Crowns, bridges, partial prostheses or fixed prostheses could be used to replace the missing teeth, orthodontic space. Anchorage may be defined as the amount of movement of the posterior teeth (molars, premolars) to close the extraction space in order to achieve selected treatment goals. The anchorage needs of an individual treatment plan could vary from absolutely no permitted mesial movement of the molars/premolars (or even distal movement of the molars required) to complete space closure by protraction of the posterior teeth. Methods: The malocclusion was managed by customised lingual orthodontic appliances and the adjunctive use of direct skeletal anchorage derived from two palatal mini-implants. The treatment duration was approximately 41 months, which encompassed the use of full fixed customised lingual appliances over a period of 24 months. (Aust Orthod J 2018; 34: 103-116)
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