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Year : 2022  |  Volume : 11  |  Issue : 1  |  Page : 19

Three dimensional changes of maxillary arch in Unilateral cleft lip and palate patients following comprehensive orthodontic treatment on digital study models

1 Unit of Orthodontics, Oral Health Sciences Centre, PGIMER, Chandigarh, India
2 Production and Industrial Engineering Department, Punjab Engineering College, Chandigarh, India

Correspondence Address:
Raj K Verma
Associate Professor, Unit of Orthodontics, Oral Health Sciences Centre, PGIMER, Chandigarh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jos.jos_191_21

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OBJECTIVE: To compare the effects of comprehensive orthodontic treatment on palatal area, volume, inter-canine and inter-molar width in patients with Unilateral Cleft Lip and Palate (UCLP) using scanned models of the maxillary arch. DESIGN: Retrospective cohort study. SETTING: Tertiary setting. PATIENTS: Two hundred and ten plaster study models of 70 patients with Unilateral Cleft Lip and Palate (Study group SG) and Control Group (n = 70) were scanned using Maestro 3D Dental scanner. The study groupwas further divided into subgroups; Subgroup I: treated with orthodontic treatment only (non-surgical), Subgroup II: patientsmanaged with combined orthodontics and orthognathic surgery (either maxillary advancement or maxillary distraction), Subgroup A: age >14 years and Subgroup B: age <14 years. INTERVENTIONS: Comprehensive orthodontic and Orthosurgical treatment MAIN OUTCOME MEASURES: Pre- and post-treatment scanned maxillary models of the study group were compared for palatal area and volumeand intercanine and intermolar width. The palatal dimensions of post-treatment scanned models were also compared to that of the control group. RESULTS: The Palatal area and volume, intercanine and intermolar width were significantly higher in the post-treatment as compared to pre-treatment study models (P < 0.01). The measurements ofthe maxillary arch were significantly higher in the control group compared to the post-treatment measurements of the study group. The increase in palatal area and volume was greater in Subgroup I and A compared to Subgroup II and B patients, respectively. CONCLUSION: The 3-Dimensional palatal dimensions in UCLP group improved after orthodontic treatment but were still not comparable to the normal subjects. The patients with age >14 years showed more improvement in the maxillary arch.

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