Comparisons of two protocols for the early treatment of Class III dentoskeletal disharmony

European Journal of Orthodontics
Letizia PerilloLorenzo Franchi

Abstract

To assess the short-term outcomes of splints, Class III elastics, and chincup (SEC III) and rapid maxillary expansion and facial mask (RME/FM) protocols. 25 patients with Class III dentoskeletal disharmony (10 males, 15 females) treated with the SEC III protocol were evaluated at the beginning (T1, mean age 7.5±1.4 years) and at the end of treatment (T2, mean age 8.7±1.4 years). The SEC III group was compared to a matched sample of 32 Class III patients (16 males, 16 females) treated with the RME/FM protocol and to a matched control group (CG) consisting of 23 subjects (12 males, 11 females) with untreated Class III dentoskeletal disharmony. The statistical comparisons between the three groups were performed with analysis of variance with Tukey's post hoc tests. With respect to the CG the SEC III and the RME/FM groups showed significantly favourable effects in terms of maxillary advancement (SNA +1.2 and +1.4 degrees, respectively), control of mandibular projection (SNB -1.3 and -1.4 degrees, respectively), and intermaxillary relationships (ANB +2.6 and +2.9 degrees, respectively; WITS +3.7 and +2.6mm, respectively). The RME/FM group showed a significantly greater increase in the intermaxillary divergency than the SEC III group...Continue Reading

References

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Citations

Jul 18, 2019·European Journal of Orthodontics·Roberto MartinaLorenzo Franchi
Apr 30, 2020·European Journal of Orthodontics·Federica MontinaroLetizia Perillo
Aug 3, 2018·Progress in Orthodontics·Sara EslamiAbdolreza Jamilian
Nov 13, 2020·Orthodontics & Craniofacial Research·Filomena Federica FabozziLetizia Perillo
May 13, 2021·International Journal of Clinical Pediatric Dentistry·Wenting ZhaoJin-Shuai Xu
Aug 19, 2021·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Xiaohui QiuYan Zhang

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