Journal of Science  and Technology of Composites

Journal of Science and Technology of Composites

A review of recent studies on self-healing smart composites for application in dentistry

Document Type : Research Paper

Authors
Department of Chemical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, Iran.
Abstract
Dental composites are widely used for dental restorations due to features such as maintaining the beauty of the teeth, non-invasive and conservative nature, and improving the physical and mechanical properties. Dental composites are susceptible to damages such as micro-cracking caused by thermal and mechanical stresses, which can weaken the properties of these materials. In dental composites, the detection of micro-cracks is very difficult and in some cases impossible. In addition, it is not possible to repair these damages in situ by using conventional materials and methods. Therefore, the self-healing ability in dental composites is necessary. In recent years, the spontaneous repair of damages such as micro-cracking in dental composite materials has been developed without any type of human intervention and the replacement of new components. The most common method for the preparation of self-healing dental composites is microencapsulation of healing agent in polymeric shell and dispersion of the prepared microcapsules in the acrylate matrix of dental composite. The self-healing properties of dental composites can be investigated by determining the fracture toughness of composites before and after healing performance using single edge V-notch beam test. In the present study, the studies on self-healing smart dental composites will be reviewed.
Keywords

Subjects


 
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