Clinical wear and experimental self- healing behavior of resin-based dental composite restorations

Monday 3 October 2022, 12:30
PhD defence
Speaker or Ph. D. student
K. Ning
prof. dr. ir. S.C.G. Leeuwenburgh, prof. dr. B.A.C. Looman
dr. F. Yang
Faculty of Medical Sciences

Severe tooth wear is the highest level of tooth wear, which may affect appearance, oral comfort, and general performance. Direct composite restorations are increasingly used for challenging treatments in severe tooth wear patients. The fatigue-induced wear behavior of the materials is important to predict and improve the results of the treatments. Therefore, this thesis investigates both the clinical wear behavior of composites (Part I) and the self-healing and wear behavior of self-healing composites (Part II). In Part I, the influences of patient factors and material factor on clinical wear behavior of composite restorations were investigated based on five-year clinical data. In Part II, the effects of initiator concentration, microcapsule size and concentration on the self-healing performance were investigated. Subsequently, the fatigue and wear behavior of the self-healing composite was studied.

Ke Ning received a Master’s degree in 2017 at West China School of Stomatology, Sichuan University (Chengdu, China). Since October 2017, she worked as a PhD candidate in Regenerative Biomaterials group, Department of Dentistry, Radboudumc. Her project is focused on the clinical wear and experimental self-healing behavior of resin-based dental composite restorations.

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