Comparison of dentofacial and skeletal effects of intermaxillary NiTi coil springs and intermaxillary elastics in the treatment of Class II malocclusion among adolescents.

Dr. Esan Tolulope Bolanle0 个研究点目标入组 48 人开始时间: 2023年8月2日最近更新: 2024年3月4日

适应症

试验速览

暂无简介。

•1. Class II Molar and/or canine relationship with at least half unit cusp disto-occlusion on one or both sides of the jaw.
•2.Subjects aged 10-19years old
•3.Presence of all permanent teeth up to first molar
•4.Minimum overjet of 5mm
•5.Subjects with complete pre-treatment records which are lateral cephalometric radiograph, study models and clinical photographs.
•6.Subjects who have completed the levelling and alignment phase of non-extraction fixed orthodontic therapy with Roth 0.022 prescription and are on upper and lower 0.019x0.025-inch Stainless steel wires.
•7.Subjects between 10-15years must give assent (Appendix 2) and subject’s parent must give consent. While subjects between 16-19years must give consent.

•1. Subjects with syndromic or craniofacial abnormalities such as cleft lip and palate.
•2. Subjects with missing permanent tooth not including second and third molars.
•3. Subjects with missing or incomplete records.
•4. Subjects with springs that showed permanent deformation at any of the recall visits.
•5. Subjects allergic to latex and nickel titanium.
•6. Subjects on routine medications such as contraceptives, bisphosphonates or non-steroidal anti-inflammatory drugs (NSAIDs).
•7. Subjects not willing to participate in the study.

发起方

Dr. Esan Tolulope Bolanle