Chan M D
Department of Orthodontics, University of Southern California School of Dentistry, Pasadena, USA.
Am J Orthod Dentofacial Orthop. 1997 Jan;111(1):100-5. doi: 10.1016/s0889-5406(97)70308-1.
An adult malocclusion with deficient maxillary lip support caused by missing maxillary lateral incisors is presented. The malocclusion was treated with a nonstandard opening of pontic spaces for anterior prosthetic bridge replacement approach. [This case report was presented to the American Board of Orthodontics as Case 2, in partial fulfillment of the requirements for the certification process conducted by the Board.]