Trial reportBMC oral health2026
Effect of bonded lingual spurs with low trans palatal arch on developing anterior open bite (a randomized controlled trial).
Trial report in BMC oral health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
backgroundAnterior Open Bite (AOB) is a complex malocclusion with esthetic, functional, and psychosocial implications, highlighting the need for early diagnosis and interceptive treatment.
objectiveTo compare the effectiveness of bonded Tongue Spurs combined with a Low Trans Palatal Arch (TS/LTPA) versus bonded Tongue Spurs (TS) alone in managing AOB associated with tongue habit during the mixed dentition stage. MATERIALS AND
methodsFifty children were assessed for eligibility; 32 were randomized, and 30 completed the 6-month follow-up and were included in the final analysis. They aged 7 to 11 years (10 boys, 20 girls) in the mixed dentition phase, having a dentoskeletal AOB of at least 1 mm, 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 ± 1.00 years in the TS/LTPA group and 9.03 ± 0.68 years in the TS group. Digital lateral cephalograms and models were obtained prior to and six months post-treatment.
resultsBoth groups (TS/LTPA and TS) showed improvement in overbite closure, with a median change of + 2.97 mm (IQR 1.16 to 5.00; p < .001) in the TS/LTPA group and + 3.67 mm (IQR 2.00 to 5.00; p = .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 (+ 0.40 mm, IQR 0.30 to 0.65; p = .001) compared to the TS group (+ 0.90 mm, IQR 0.70 to 1.00; p = .001), with significant differences between both groups.
conclusionBoth 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.
trial registrationThis single-center randomized controlled trial received ethical approval from Alexandria University’s Research Ethics Committee, Alexandria, Egypt (IORG0008839, No. 0313 − 10/2021). This trial was retrospectively registered in the Pan African Clinical Trial Registry (PACTR202403582913859) on 14 March 2024.
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