Fig. 1From: The orthodontic implant site-switching technique: a preliminary study in dogsIntraoral images were taken at the main stages of the experiment. (A) Extraction of the maxillary first premolar; (B) The bone level was reduced in height in the area left by the extraction of the maxillary first premolars; (C) Orthodontic protraction of the second premolar into the defect using a canine as anchorage; (D) Final position of the second premolarBack to article page