An evaluation of maxillary expansion after Phase I orthodontic treatment with clear aligners using model analysis and cone-beam computed tomography

Objectives: The objective of this study was to utilize digital models and cone-beam computed tomography (CBCT) radiographs quantify the skeletal dentoalveolar maxillary expansion in Phase I orthodontic treatment using clear aligner therapy. Material Methods: Fifty-four patients (22 females 32 males) had measurements taken on both pre-treatment post-treatment intraoral scans from mesiolingual cusps permanent first molars cusp tips primary canines perform model analysis expansion. planned amount ClinCheck ® setup compared actual Twenty-nine (14 15 out 54 CBCT scans, which also allowed us between data. Results: Posterior 2.40 mm anterior 4.01 observed. A comparison with showed percent yields 51.15% for posterior 64.73% displayed 1.89 molars, 1.87 molar cementoenamel junctions (CEJs), an angle change −1.16° (buccal tipping) 3.64 canines, 1.78 canine CEJs, 24.73° (facial canines. Conclusion: Our highlights potential capability aligners shows that does occur use aligners.