{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T08:56:06Z","timestamp":1790326566296,"version":"4.1.0"},"reference-count":30,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2024,4,23]],"date-time":"2024-04-23T00:00:00Z","timestamp":1713830400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Dr. Moshe Davidovitch Guest Editor","award":["charge waiver ACP"],"award-info":[{"award-number":["charge waiver ACP"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Dentistry Journal"],"abstract":"<jats:p>This retrospective study compared Class II orthodontic non-extraction treatment using Carriere Motion Appliance (CMA) and Twin Block (TB) appliances. Methods: The treatment of 38 patients was assessed. Pre- and post-treatment cephalometric radiographs were analyzed to evaluate skeletal, dental, and soft tissue treatment outcomes and efficacy. Results: Both appliances effectively corrected the Class II molar relationship. When measured at the distal aspect of the first molar, TB achieved 4.22 mm, while CMA had a 2.55 mm correction. When measured in the mesial aspect, the CMA achieved a 3.9 mm correction. The changes in SNB and ANB were statistically significant only in the TB group. The CMA appliance demonstrated statistically significantly less protrusion of the mandibular incisors and less upper incisor retrusion without vertical changes compared to the TB appliance. The TB demonstrated statistically significant lower lip protrusion compared to the CMA. Conclusion: The CMA corrects Class II malocclusions only by exerting a dentoalveolar influence and does not demonstrate the added effects associated with TB, such as elongation of lower facial height (LFH) and less loss of lower anchorage. Nonetheless, the correction in the TB group comprised both dentoalveolar and skeletal components. The CMA promotes a multidirectional upper and lower molar movement, and despite our 2D cephalometric analysis, we were able to estimate the extent of upper molar derotation.<\/jats:p>","DOI":"10.3390\/dj12050119","type":"journal-article","created":{"date-parts":[[2024,4,23]],"date-time":"2024-04-23T10:34:05Z","timestamp":1713868445000},"page":"119","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Evaluating the Effects of Carriere Motion Appliance and Twin Block Appliances in Class II Correction\u2014A Retrospective Study"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-0583-0261","authenticated-orcid":false,"given":"Gilad","family":"Har Zion","sequence":"first","affiliation":[{"name":"Private Practice of Orthodontics, Alfasi 19 St., Jerusalem 9230209, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eyal","family":"Katzhendler","sequence":"additional","affiliation":[{"name":"Department of Orthodontics, Faculty of Dental Medicine, Hebrew University-Hadassah School of Dental Medicine, Jerusalem 91120, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amal","family":"Bader Farraj","sequence":"additional","affiliation":[{"name":"Galilee College of Dental Sciences, Department of Orthodontics, Galilee Medical Center, Nahariya 2210001, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miryam","family":"Rabin","sequence":"additional","affiliation":[{"name":"Galilee College of Dental Sciences, Department of Orthodontics, Galilee Medical Center, Nahariya 2210001, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4608-5092","authenticated-orcid":false,"given":"Shmuel","family":"Einy","sequence":"additional","affiliation":[{"name":"Galilee College of Dental Sciences, Department of Orthodontics, Galilee Medical Center, Nahariya 2210001, Israel"},{"name":"The Azrieli Faculty of Medicine, Bar-Ilan University, Safed 5290002, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,4,23]]},"reference":[{"key":"ref_1","first-page":"350","article-title":"Classification of Malocclusion","volume":"41","author":"Angle","year":"1899","journal-title":"Dent. 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