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To exclude the effect of sagittal anchorage reinforcement, the patients were divided into two groups: a maxillary maximum anchorage (MMA) group (<jats:italic>N<\/jats:italic>\u2009=\u200917), in which TADs were only used to help with anterior tooth retraction, and the MMA with vertical control (MMA\u2009+\u2009VC) group (<jats:italic>N<\/jats:italic>\u2009=\u200919), for which TADs were also used to intrude the maxillary molars and incisors. The treatment outcome was evaluated using dental, skeletal, and soft-tissue-related parameters via a cephalometric analysis and cast superimposition.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>A significant decrease in ANB (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05 for both groups), the retraction and uprighting of the maxillary and mandibular incisors, and the retraction of protruded upper and lower lips were observed in both groups. Moreover, a significant intrusion of the maxillary molars was observed via the cephalometric analysis (\u2212\u20091.56\u2009\u00b1\u20091.52\u00a0mm, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05) and cast superimposition (\u2212\u20092.25\u2009\u00b1\u20091.03\u00a0mm, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05) of the MMA\u2009+\u2009VC group but not the MMA group, which resulted in a remarkable decrease in the mandibular plane angle (\u2212\u20091.82\u2009\u00b1\u20091.38\u00b0, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05). The Z angle (15.25\u2009\u00b1\u20095.30\u00b0, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05) and Chin thickness (\u2212\u20090.97\u2009\u00b1\u20090.45\u00b0, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05) also improved dramatically in the MMA\u2009+\u2009VC group, indicating a better profile and a relaxed mentalis. Multivariate regression showed that the improvement in the soft tissue was closely related to the counterclockwise rotation of the mandible plane (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>TAD-assisted vertical control can achieve intrusion of approximately 2\u00a0mm for the upper first molars and induce mandibular counterclockwise rotation of approximately 1.8\u00b0. Moreover, it is especially important for patients without sufficient retraction of the upper incisors or a satisfactory chin shape.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s13005-024-00432-2","type":"journal-article","created":{"date-parts":[[2024,5,14]],"date-time":"2024-05-14T10:01:49Z","timestamp":1715680909000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Quantitative evaluation of vertical control in orthodontic camouflage treatment for skeletal class II with hyperdivergent facial type"],"prefix":"10.1186","volume":"20","author":[{"given":"Yan-Ning","family":"Guo","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sheng-Jie","family":"Cui","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ye","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Fu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie-Ni","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan-Heng","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xue-Dong","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,5,14]]},"reference":[{"issue":"5","key":"432_CR1","doi-asserted-by":"publisher","first-page":"572","DOI":"10.1016\/0278-2391(95)90071-3","volume":"53","author":"MR Tucker","year":"1995","unstructured":"Tucker MR. 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(PKUSSIRB-201630096, retrospectively registered) All methods were carried out in accordance with relevant guidelines and regulations. Informed consent was obtained from all subjects and\/or their legal guardian(s).","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not Applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"31"}}