Utilize este identificador para referenciar este registo:
https://hdl.handle.net/10316/4271
Título: | Study of abrasive resistance of composites for dental restoration by ball-cratering | Autor: | Antunes, P. Vale Ramalho, A. |
Palavras-chave: | Abrasion; Composite; Hardness; Cure time; Dental restoration | Data: | 2003 | Citação: | Wear. 255:7-12 (2003) 990-998 | Resumo: | Two-body abrasion occurs in the mouth whenever there is tooth-to-tooth contact. This is what most dentists call attrition. Abrasive wear may also occur when there is an abrasive slurry interposed between two surfaces, such that the two solid surfaces are not actually in contact, this is called three-body abrasion, with food acting as the abrasive agent, and occurs in the mouth during mastication. Abrasion is the key physiological wear mechanism that is present in dental materials during normal masticatory function. The two main categories of restoration materials are dental amalgam and composite restorative material. Although amalgam has excellent mechanical properties, it also has certain limitations and disadvantages. The main negative factors for amalgam are: aesthetic factor, toxicity of mercury, weak adhesion to healthy dental tissue, duration of restoration, corrosion and feeble resistance to fracture. | URI: | https://hdl.handle.net/10316/4271 | DOI: | 10.1016/S0043-1648(03)00150-9 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Eng.Mecânica - Artigos em Revistas Internacionais |
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file8b3830ee0c6240a9a428e6acece15e6d.pdf | 348.5 kB | Adobe PDF | Ver/Abrir |
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