Wear of Dental Filling Materials and Possibilities of its Measurement
Authors:
P. Holík 1; Y. Morozova 1; R. Čtvrtlík 2; J. Tomáštík 2
Authors place of work:
Klinika zubního lékařství LF UP a FN, Olomouc
1; Společná laboratoř optiky a fyziky PřF UP, Olomouc, a FZÚ AV ČR
2
Published in the journal:
Česká stomatologie / Praktické zubní lékařství, ročník 118, 2018, 4, s. 95-103
Category:
Review Article
Summary
Background:
Tooth wear is a complex multifactorial phenomenon conditioned by the interaction of biological, mechanical, chemical and tribological factors. The surface of hard dental tissues as filling material replacing enamel and dentine has mechanical load by antagonist (attrition) or another object in the oral cavity such toothbrush, toothpaste, etc. (abrasion). These processes lead to surface defects of hard dental tissues and fillings. The report describes the possible methods of experimental („pin on disc“ method, tooth brushing machine, computer-controlled jaw simulator, material hardness and elastic modulus measurement using nanoindentation, scratch test, etc.) and clinical evaluation (Ryge and Cvar criteria, FDI criteria, profilometry, measurement of computer models by CAD/CAM scanner) wear of dental reconstruction materials.
Conclusion:
Knowledge of the individual properties of the reconstruction materials influencing their wear will help the dentist to choose the appropriate type of material and to properly inform the patient about its reconstruction lifespan.
Keywords:
wear – Ryge and Cvar criteria – FDI criteria – tribology – pin on disk – nanoindentation – scratch test – profilometry
Zdroje
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Štítky
Maxillofacial surgery Orthodontics Dental medicineČlánok vyšiel v časopise
Czech Dental Journal
2018 Číslo 4
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Najčítanejšie v tomto čísle
- All-Ceramic Reconstructions
- Wear of Hard Dental Tissues and Methods of its Evaluation
- Misdiagnosis of Nasopalatine Duct Cyst
- Wear of Dental Filling Materials and Possibilities of its Measurement