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Force Decay Evaluation of Thermoplastic & Thermoset Elastomeric Chains

A Mechanical Design Comparison
BuchKartoniert, Paperback
92 Seiten
Englisch
LAP Lambert Academic Publishingerschienen am06.12.2013
Orthodontic power chains are replaced at 3 to 4 week intervals due to force decay. Studies on power chains often do not differentiate between thermoplastic (TP) and thermoset (TS) elastomers and, to date, no study has compared between them. We sought to compare over a period of 8 weeks: (1) force decay between TP and TS power chains, (2) force decay between using two different initial forces, (3) force decay between direct chains and chain loops. Our results showed 20% more force decay in the TP power chains compared to the TS ones. Direct chains had more force decay compared to chain loops only in the OrTP power chains. There was no significant difference in force decay between using light and heavy forces. In conclusion, contrary to the interchangeable use of TP and TS power chains in published literature and in clinical practice, this study demonstrates that they perform differently under stress and that a clear distinction should be made.mehr

Produkt

KlappentextOrthodontic power chains are replaced at 3 to 4 week intervals due to force decay. Studies on power chains often do not differentiate between thermoplastic (TP) and thermoset (TS) elastomers and, to date, no study has compared between them. We sought to compare over a period of 8 weeks: (1) force decay between TP and TS power chains, (2) force decay between using two different initial forces, (3) force decay between direct chains and chain loops. Our results showed 20% more force decay in the TP power chains compared to the TS ones. Direct chains had more force decay compared to chain loops only in the OrTP power chains. There was no significant difference in force decay between using light and heavy forces. In conclusion, contrary to the interchangeable use of TP and TS power chains in published literature and in clinical practice, this study demonstrates that they perform differently under stress and that a clear distinction should be made.
Details
ISBN/GTIN978-3-659-49228-0
ProduktartBuch
EinbandartKartoniert, Paperback
Erscheinungsjahr2013
Erscheinungsdatum06.12.2013
Seiten92 Seiten
SpracheEnglisch
Artikel-Nr.30636826
Rubriken
GenreMedizin

Autor

Clinical Assistant Professor,Department of Orthodontics, UIC, Chicago, Illinois ----------------------BDS, KAU, Jeddah, Saudi Arabia, 2008 -----------------MS, Oral Sciences, UIC, Chicago, Illinois, 2013 ------ Certificate, Orthodontics, UIC, Chicago, Illinois, 2013PhD candidate, Neuroscience, UIC, Chicago, Illinois