ArticleThe Angle orthodontist2026
Approaches to correct lower lip sucking in preschool children: a clinical study on effectiveness, oral health-related quality of life impact, and malocclusion improvement.
Article in The Angle orthodontist, 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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6 authors.
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Abstract
Objectives: To determine the most effective ways to correct lower lip sucking in preschool children, minimizing impacts on their Oral Health-Related Quality of Life (OHRQoL) and improving malocclusion. Materials and Methods: 83 children aged 3-6 years were divided into behavioral therapy (Group A, n = 27), lip bumper therapy (Group B, n = 27), and Twin Block therapy (Group C, n = 29) groups. After 6 months of treatment, oral exams, model analysis, cephalometrics, and the Early Childhood Oral Health Impact Scale (ECOHIS) were used for assessment. Results: Success rates in Groups A, B, and C were 33.33%, 73.08%, and 96.43%, respectively (P < .05). Groups A and B had no significant measurement differences (P > .05). Group C showed significant changes in overjet, SNA, SNB, ANB, U1SN, and L1MP (P < .05). The ECOHIS scores of all groups first rose, then fell (P < .05). Conclusions: Twin Block appliances are highly effective for correcting lower lip sucking. They have a higher success rate than other methods and can reduce skeletal malocclusion severity in children with specific dental conditions.
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