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Year : 2018  |  Volume : 8  |  Issue : 1  |  Page : 6-11

Anchorage in orthodontics: Three-dimensional scanner input

1 Department of Orthodontics, School of Dentistry, Lebanese University, Beirut, Lebanon
2 Department of Orthodontics, School of Dentistry, Toulouse III University, Toulouse, France

Correspondence Address:
Dr. Fidele Nabbout
Department of Orthodontics, School of Dentistry, Lebanese University, Beirut
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jispcd.JISPCD_422_17

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Aims and Objectives: The aim of this article is to re-evaluate anchorage coefficient values in orthodontics and their influence in the treatment decision through the usage of three-dimensional (3D) scanner. Materials and Methods: A sample of 80 patients was analyzed with the 3D scanner using the C2000 and Cepha 3DT softwares (CIRAD Montpellier, France). Tooth anatomy parameters (linear measurements, root, and crown volumes) were then calculated to determine new anchorage coefficients based on root volume. Data were collected and statistically evaluated with the StatView software (version 5.0). Results: The anchorage coefficient values found in this study are compared to those established in previous studies. These new values affect and modify our approach in orthodontic treatment from the standpoint of anchorage. Conclusion: The use of new anchorage coefficient values has significant clinical implications in conventional and in microimplants-assisted orthodontic mechanics through the selection and delivery of the optimal force system (magnitude and moment) for an adequate biological response.

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