CTRI/2024/03/064895尚未招募Unknown
Comparative evaluation of orthodontic intrusion of maxillary incisors with midline mini implants using ligature wire or elastic chain - a prospective cohort study - nil
MES Dental College0 个研究点目标入组 0 人开始时间: 待定最近更新:
试验速览
- 阶段
- Unknown
- 状态
- 尚未招募
- 发起方
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Observational
入排标准
入选标准
- •1.Patients with complete dentition apart from third molars.
- •2.Patients in the age group 13 – 20 yrs.
- •3.Patients with Angle’s Class I bimaxillary dentoalveolar protrusion with maxillary incisor display = 4mm at rest indicated for fixed appliance therapy with extraction of both first premolars in the maxillary arch.
- •4.Normal vertical dimension represented by GoGn-SN angle of 32 ± 6°.
- •5.Patients should be having healthy gingival and periodontal status.
- •6.Pre and post radiographs with good hard and soft tissue outlines and teeth in full occlusion, lips resting in natural position.
- •7.All pretreatment and post treatment cephalograms will be taken from the same machine in the standard position by the same operator.
排除标准
- •1.Patient with history of previous orthodontic treatment.
- •2.Patient with history of trauma or endodontic treatment of anteriors.
- •3.Missing molars or any of the anterior teeth.
- •4.Erupted or unerupted supernumeraries in the maxillary anterior segment.
- •5.Impacted canines.
- •6.Upper anterior crowding = 4mm.
- •7.Periodontitis.
- •8.Patients with congenital syndromes and bony defects.
- •9.History of avulsion or replantation.
- •10.History of prolonged treatment with systemic steroids and NSAIDs.
- •11.History of metabolic disorders.
研究者
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