Abstract
Purpose: To explore and analyze the curative effects of micro - implant anchorages in orthodontics. Methods: A retrospective analysis of 65 patients undergoing orthodontic treatment in Department of Stomatology, Binzhou Medical University Hospital, Shandong, China was carried out. Thirty four cases in the treatment group were treated with a micro-implant as the anchorage, while 31 cases of the control group were treated with a palatal bar and facebow as the anchorage, and the curative results of the two groups were then compared. Results: After a 13-month treatment, both anchorages were clinically effective, but the micro-implant anchorage showed higher efficacy. Measurement indices for the test group, including sella-nasion - A point (SNA) angle (- 1.88 ± 0.71), sella-nasion-B point (SNB) angle (1.39 ± 0.42), A point - nasion - B point (ANB) angle (- 2.40 ± 0.83), upper central incisor - lower central incisor (U1 - L1) angle (25.79 ± 5.90), upper central incisor - sella - nasion (U1 - SN) angle (- 10.13 ± 3.68), lower central incisor – mandibular plane (L1 - MP) angle (- 4.22 ± 0.45), upper central incisor - nasion - A point (U1 - NA) angle (- 1.32 ± 1.35) and lower central incisor - nasion - B point (L1 - NB) angle (- 1.32 ± 1.35) of the test group were significantly different those of the control group Overbite (OB), overjet (OJ), intercanine width and the width of the first molars of treatment and control groups were also remarkably). Moreover, micro-implant was observed to be more stable during treatment. Conclusion: Compared with traditional anchorages, micro-implants possess the advantages of slighter trauma, simpler operation, more reliable curative effect and high stability. Keywords: Micro-implant anchorage, Orthodontics, Facebow anchorage, Oral medicine, Clinical efficacy
Highlights
With the continuous development of society and great advancements in oral medicine, people require a better appearance of teeth and a few people have tried orthodontics
To explore and analyze the application and curative effects of micro - implant anchorages in orthodontics, this study carried out a retrospective analysis on clinical materials regarding 65 patients undergoing orthodontic treatment in our department, in 2012, among which 34 treatment group patients received treatment with micro - implant anchorages, while 31 control group patients were treated with palatal bar and facebow anchorages
A total of 34 treatment group patients were treated with micro - implants as anchorages, while 31 control group patients were treated with palatal bar and facebow anchorages
Summary
With the continuous development of society and great advancements in oral medicine, people require a better appearance of teeth and a few people have tried orthodontics. Instead of taking teeth as the basis, as was previously the case, this new anchorage exerts the counteracting force of orthodontics on the jaw, completely avoiding the displacement of teeth. It solves a lot of problems existing in clinical anchorage. Micro - implant anchorages feature the efficacy that conventional methods cannot achieve It has attracted extensive attention for its advantages of slighter trauma, simpler operation, steadiness, reliable efficacy and limited dependence on the patient [6]. A total of 34 treatment group patients were treated with micro - implants as anchorages, while 31 control group patients were treated with palatal bar and facebow anchorages. This study was approved by the medical ethics committee of Binzhou Medical University Hospital, Shandong, China and all the patients enrolled in gave their informed consent
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