The Modified Two-By-Two Fixed Orthodontic Appliance for Anterior Cross Bite in Primary Dentition: A Case Report

Background: Anterior teeth are the mirror of facial appearance plays a vital role in developing facial beauty, self-confidence, attractive personality even in growing child. 1.6 to7.9 % out of 27 % is the total prevalence rate of anterior cross bite. Various treatment modalities and options have been incorporated, but the major draw is treatment time consumption and patient compliance. To date modified continuous arch wires are used to correct cross-bites. Case presentation: A 4 years girl presented with Class I canine relation and mesial step occlusion transplant relation with anterior cross bite, concave face. Treatment involved placement of blue bite turbo's on lower deciduous second molars and two by two fixed orthodontic continuous arch wire in maxillary teeth. Conclusion: The design of this modified 2 by 2 appliance allows buccal tipping of anterior teeth, it provides light and continuous force for physiological orthodontic movement with minimal root resorption; the treatment of anterior cross bite is corrected in 12 days.