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Master Thesis

Étude du taux de survie des contentions Memotain collées mandibulaires, à court et moyen termes

Abstract : In orthodontics, the treatment stability over time is a major issue. For several years now, mandibular bonded retainers have been used to increase the stability of the results. Debonding and fracture of the retainers are relatively frequent events in orthodontics and we try to overcome them. With the emergence of digital technology, a new perspective on the design of dental retainers can be envisaged. The Memotain, made of Nickel-Titanium and free of plication, is one of the latest innovation to date. The objective of this study is to evaluate the short- and medium-term survival rate of this retainer. The patients included in this study all received a Memotain mandibular bonded retainer following their orthodontic treatment according to a universal bonding protocol. A total of 155 patients were included in the study. All patients were followed for 2 years at the office for follow-up appointments and then recalled. The primary endpoint was a failure with the retainer, which was considered to be a fracture, debonding or both. Maximum patient follow-up was 40 months. The 6-month survival rate was 94.6%, and one year survival rate was 91,8%. Eight debonding and one fracture occurred. Between 12 ans 40 months, no failure were observed. Our results show a good stability in the short- and medium-term with an acceptable failure rate which opens positive outlook for treatment stability.
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https://dumas.ccsd.cnrs.fr/dumas-03468457
Contributor : Odonto Ub - Connect in order to contact the contributor
Submitted on : Tuesday, December 7, 2021 - 10:34:45 AM
Last modification on : Friday, December 17, 2021 - 3:47:07 AM

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Odonto_2021_Tanguy.pdf
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  • HAL Id : dumas-03468457, version 1

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Chloé Tanguy. Étude du taux de survie des contentions Memotain collées mandibulaires, à court et moyen termes. Sciences du Vivant [q-bio]. 2021. ⟨dumas-03468457⟩

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