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They aged 7 to 11 years (10 boys, 20 girls) in the mixed dentition phase, having a dentoskeletal AOB of at least 1\u00a0mm, an Angle Class I molar relationship, and CMI stages 2 and 3. TS\/LTPA group comprised 16 patients (7 males and 9 females) exhibiting bonded lingual tongue spurs and a low transpalatal arch. TS group included 14 patients (3 males and 11 females) who had bondable lingual tongue spurs only. The mean age was 8.73\u2009\u00b1\u20091.00 years in the TS\/LTPA group and 9.03\u2009\u00b1\u20090.68 years in the TS group. Digital lateral cephalograms and models were obtained prior to and six months post-treatment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Both groups (TS\/LTPA and TS) showed improvement in overbite closure, with a median change of +\u20092.97\u00a0mm (IQR 1.16 to 5.00;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u2009.001) in the TS\/LTPA group and +\u20093.67\u00a0mm (IQR 2.00 to 5.00;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u2009.001) in the TS group, respectively. However, the difference between groups was not statistically significant. A statistically significant vertical molar control was observed in the TS\/LTPA group (+\u20090.40\u00a0mm, IQR 0.30 to 0.65;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u2009.001) compared to the TS group (+\u20090.90\u00a0mm, IQR 0.70 to 1.00;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u2009.001), with significant differences between both groups.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Both TS\/LTPA and TS groups showed a reduction in overbite, along with incisor extrusion and retroclination. The TS\/LTPA group provided significantly better vertical molar control than the TS group; however, the difference in AOB closure between the groups was not statistically significant.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Trial registration<\/jats:title>\n                    <jats:p>This single-center randomized controlled trial received ethical approval from Alexandria University\u2019s Research Ethics Committee, Alexandria, Egypt (IORG0008839, No. 0313\u2009\u2212\u200910\/2021). This trial was retrospectively registered in the Pan African Clinical Trial Registry (PACTR202403582913859) on 14 March 2024.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12903-026-07717-9","type":"journal-article","created":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T08:16:19Z","timestamp":1770970579000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Effect of bonded lingual spurs with low trans palatal arch on developing anterior open bite (a randomized controlled trial)"],"prefix":"10.1186","volume":"26","author":[{"given":"Moataz","family":"Nasser","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tarek Nasreldin","family":"Yousry","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hanan Amin","family":"Ismail","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,2,13]]},"reference":[{"issue":"5","key":"7717_CR1","doi-asserted-by":"publisher","first-page":"337","DOI":"10.1016\/0002-9416(64)90175-7","volume":"50","author":"JD Subtelny","year":"1964","unstructured":"Subtelny JD, Sakuda M. 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