ArticleInternational journal of clinical pediatric dentistry2024
A Modification of the Quad Helix: The "Bi Helix".
Article in International journal of clinical pediatric dentistry, 2024. 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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Abstract
Aim and background: The quad helix is well known for its ability to treat posterior crossbites in children with maxillary deficiency. A few authors have also used it for the treatment of unilateral crossbite due to unilateral maxillary deficiency by incorporating modifications in the appliance. The aim was to treat a unilateral crossbite using a newly modified quad helix. Case description: An 8-year-old female patient had presented with multiple missing teeth and a unilateral posterior crossbite due to an asymmetric maxillary arch. The amount of unilateral asymmetry was measured using a unique method over the cast. A modified quad helix was cemented to treat the unilateral posterior crossbite, and correction was obtained in 30 days. A Nance palatal arch was cemented which functioned as a space maintainer and a retention appliance. Conclusion: The posterior unilateral crossbite was treated successfully with the modified quad helix. Clinical significance: This article highlights a new modification of the quad helix for treating unilateral posterior crossbite and a new method of measuring maxillary asymmetry. The modification has been termed as a "bi helix" since it eliminates two helices from the classic quad helix design. How to cite this article: D'souza OK, Chalakkal P, de Noronha de Ataide I. A Modification of the Quad Helix: The "Bi Helix". Int J Clin Pediatr Dent 2024;17(7):822-825.
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