In Vitro Study Regarding the Biomechanical Behaviour of Bone, Fibre Reinforced Polymer and Wire Composite Perio-dontal Splints. Model Analysis

Autor: Sorina Solomon, Florentina Mocanu, Carmen Savin, Iulia Saveanu, Oana Taculescu, Adrian Doloca, Cristina Iordache, Gabriela Ifteni, Dana Gabriela Bosinceanu, Raluca Maria Vieriu
Rok vydání: 2020
Předmět:
Zdroj: Materiale Plastice. 57:253-262
ISSN: 2668-8220
0025-5289
Popis: This paper is the second part of a study regarding the biomechanical behaviour of mandibular bone in the context of different periodontal splinting systems, occlusal forces and load distributions. Electric resistive tensometry method was used to measure the strains developed in mandibular bone replica. The tests were carried out on six mandibular acrylic models, each with 8 natural teeth. The experimental groups were defined corresponding to the bone condition and splint type: normal height bone; bone resorption without splint; bone resorption and wire-composite splint; bone resorption and polyethylene fiber-reinforced composite splint. Each sample was subjected to three similar loading cycles, the force being applied successively on four incisors, two central incisors and canines, and the specific deformation values were read for four loading forces: 30 N, 50 N, 100 N and 150 N. In case of bone loss, the bone deformations are up to 110%. Periodontal splinting redistribute forces, reducing incisors bone strains associated with a slight increase in canine bone strains.
Databáze: OpenAIRE