Arch development using clear aligners, a case report.

Objective: This paper aims to present the case of a young boy in late mixed dentition without space for aligning all permanent teeth. He was treated using clear aligners that stimulated facial growth and developed the dental arches gaining space to align his teeth. Background: The most frequent malocclusions, that come to the dental office, are Angle class I or norm occlusion malocclusions, with crowding. Treatment objectives depend on the facial type, the cephalometric discrepancy, the patient's age, arch dimensions, and professional ability. Early treatment can reduce the requirements for premolar extractions to respect arch dimensions and cephalometric measurements, gaining space to align teeth. It is possible to stimulate bone growth during the growth period if space is necessary for dental alignment. This stimulus can be done by dental orthopedic devices. We treated this case using clear aligners. Method: The patient was scanned using ITEROTM. He used 75 INVISALIGNTM clear aligners, divided into four virtual treatment plans (clinchecksTM). Results: Clear aligners increased intermolar and inter-premolar dimensions and gained space to align all teeth. CBTC after treatment proved that despite the huge buccal expansion of the dental arches, there is a 0.33mm to 2.53mm buccal cortical plate. Conclusion: Clear aligners can develop orthodontic and orthopedic movements during growth spread, increasing bone and arch dimensions. Moreover, patient compliance reduced as treatment time advanced.