Force decay of latex and non-latex intermaxillary elastics: a clinical study

European Journal of Orthodontics
Matheus Melo PithonRaildo da Silva Coqueiro

Abstract

To evaluate force decay between intermaxillary orthodontic elastics with and without latex in the oral medium at different time intervals. Intermaxillary orthodontic elastics with and without latex [1/8″ (3.2mm), 1/4″ (6.35mm), and 5/16″ (7.94mm) in diameter] were evaluated 'clinically'. For this purpose, 26 patients served as hosts for the elastics during the evaluation period. Initially, 52 thermoplasticized plates 1mm thick were made according to the patients' mould. Then, the orthodontic accessories were bonded to the plates, which kept the elastics distended throughout the experimental period. The force released by the elastics at this distance was evaluated at 0, 12, and 24 hours. Statistical analyses were performed using the Friedman, Wilcoxon, and Mann-Whitney tests (significance set at 5 per cent). Elastics with and without latex presented with permanent deformation and increasing internal diameter throughout the entire period. Elastics with latex, 1/8″ (3.2mm) in diameter, sustained higher levels of force than those without latex. Elastics measuring 1/4″ (6.35mm) and 5/16″ (7.94mm) in diameter without latex sustained higher levels of force at 0 and 12 hours compared to those with latex. At the end of the experiment (2...Continue Reading

References

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Jan 15, 2013·The Angle Orthodontist·Matheus Melo PithonNatália dos Santos Soares

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Citations

Jan 24, 2019·Dental press journal of orthodontics·Daniela Ferreira de Carvalho NotarobertoCátia Cardoso Abdo Quintão
Sep 14, 2017·Dental press journal of orthodontics·Matheus Melo PithonLaura Salignac de Souza Guimarães Primo
Jun 30, 2021·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·Robert Klabunde, Thorsten Grünheid

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