Radiographic Analysis of Skeletal and Dentoalveolar Changes Following the Treatment of Mandibular Prognathism and Maxillary Constriction in Growing Patients Using Two Different Treatment Protocols: A Randomized Controlled Trial
Abstract
This randomized controlled trial intends to test the efficacy of two treatment protocols in the correction of Class III malocclusion with maxillary constriction. We have to options, either to modify the growth using inter-maxillary traction based on an upper fixed appliance that is used in the same time for rapid maxillary expansion or to inhibit mandibular growth by a removable mandibular retractor (RMR) supplied with an expansion screw.
Conditions: Class III Malocclusion.
Primary outcome: Change in the SNA angle; Change in the SNB angle; Change in the ANB angle; Change in the SN-GoMe angle; Change in the MM angle; Change in the SN-SPP angle; Change in the Witz appraisal; Change in the Co.Go.Me angle; Change in the mandibular length; Change in the ramus height; Change in the lower facial height; Change in the A-H variable; Change in the B-H variable; Change in the SN-U1; Change in the GoMe-L1 angle; Change in the SPP-U1 angle; Change in ls-E Line distance; Change in li-E Line distance; Change in the Gla-Sn-Pog angle; Change in the naso-labial angle; Change in the labio-mental angle; Change in the Ag to MZF-j variable; Change in the J-J distance; Change in the molar width at the level of apices (M-MRA); Change in the molar width at the level of cusps (M-MCT); Change in the inferred molar tipping (M-tip).
Enrollment: 26 participants.
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 26 participants or records.
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