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Year : 2019  |  Volume : 10  |  Issue : 2  |  Page : 372-381

Effectiveness of orthodontic mini-screw implants in adult deep bite patients during incisor intrusion: A systematic review

Department of Orthodontic, Faculty of Oral and Dental Medicine, Cairo University, Cairo, Egypt

Correspondence Address:
Dr. Ahmed Ibrahim Atalla
Mansoura University, Mansoura; Department of Orthodontic, Cairo University, 14 Street, Seliman El Fawal, Maadi, Cairo
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ccd.ccd_618_18

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Aims: The aim of this systematic review was to compare the effectiveness of temporary anchorage devices (TADs) and conventional segmented arches (CSAs) during incisor intrusion in adult patients with a deep bite and their adverse effects. Settings and Design: Four electronic databases were searched. In addition, articles were manually searched for using the reference lists of relevant articles, grey literature, and peer-reviewed orthodontic journals. Subjects and Methods: Data from the retrieved articles were selected and evaluated by two independent reviewers using a new systematic review software program, DistillerSR. A meta-analysis of raw mean differences was performed. Results: Initially, we retrieved 9600 articles, but the selection process resulted in six articles. The included studies ranged from low to high in quality. Meta-analysis showed that TADs enabled 0.78 mm more upper incisor intrusion than the conventional method (95% confidence interval [CI] = 0.28–1.29). There was no significant anchorage loss difference in the CSA group compared to the TAD group (mean difference [MD] −3.68; 95% CI −7.41–0.05). Furthermore, a significant molar tipping of 1.03° was observed in the CSA group (P = 0.008) compared to the TAD group (MD −1.03; 95% CI −1.79–−0.27). Conclusions: The results of this meta-analysis showed that patients receiving TADs had 0.78 mm greater upper incisor intrusion than patients receiving the conventional treatment. This was statistically significant, but not clinically relevant. No clinical difference was found between TADs and the conventional method of anchorage loss.

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