Skeletal and dental arch changes following rapid maxillary expansion: a prospective randomized controlled study

Not Applicable

• Conditions: Malocclusion/ Cross bite; C07.793.494

• Registration Number: RBR-5cfqyw
• Lead Sponsor: niversidade Norte do Paraná (UNOPAR)

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2017-08-17
• Last Update Posted: 29 May 2023

Recruitment & Eligibility

• Status: Recruitment completed
• Sex: Not specified
• Target Recruitment: Not specified

Inclusion Criteria

Patients with Angle Class I malocclusion and cross-bite or maxillary atresia;
Patients with mixed dentition and acceptable oral health;
Patients aged 7 -10 years , with first permanent molars in occlusion;
Caucasian;
Absence of agenesis, loss of permanent teeth and supernumerary teeth.

Exclusion Criteria

Patients that had undergone orthodontic treatment or had a syndrome

Study & Design

• Study Type: Intervention
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Cross bite correction in mm, assessed by transverse distance in the molar region, after 6 months of rapid maxillary expansion through digital models<br>

Secondary Outcome Measures

Name	Time	Method
Cephalometric changes, assessed by radiographs after 6 months of expansion; cephalometric changes assessed by radiographs, after 1 year of expansion; Change in dental tipping angle after 6 months through digital models; Changes in dental tipping angle of the teeth after one year through digital models; diastema amount, evaluated clinically in mm with a digital caliper after expanding and Dehiscence and fenestration score clinically evaluated after 6 months. Pain.;Evaluate the slope of the posterior teeth, external transverse distances, internal transverse distances, length of the dental arch, thickness of the buccal and lingual bone plates and level of the vestibular alveolar bone crest on CBCT.