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ABSTRACT: Background
Quad Helix (QH) is the appliance most preferred by orthodontists to correct unilateral posterior crossbite in the early mixed dentition while other orthodontists suggest rapid maxillary expansion (RME) on deciduous teeth in these patients.Objectives
To evaluate and compare perceived pain intensity, discomfort, functional jaw impairment, and analgesic consumption during the first week of treatment with either RME or QH appliances.Trial design
Two-arm parallel group, two-centre, randomized controlled trial.Material and methods
Seventy-two patients, mean age 9.5 (SD ±0.8) years, with unilateral posterior crossbite requiring maxillary expansion were randomly allocated to either the RME (22 boys, 14 girls) or QH (22 boys, 14 girls) group. Validated que
SUBMITTER: Hansson S
PROVIDER: S-EPMC10230245 | biostudies-literature | 2023 May
REPOSITORIES: biostudies-literature