Study of DNA damage of buccal mucosal cells after wearing casting alloy crowns / 华西口腔医学杂志
West China Journal of Stomatology
;
(6): 21-25, 2006.
Artigo
em Chinês
| WPRIM
| ID: wpr-289016
ABSTRACT
<p><b>OBJECTIVE</b>To test the corrosion behavior of three kinds of dental casting alloys and to investigate the effect of the released metal ions on the DNA damage of dog buccal mucosal cells.</p><p><b>METHODS</b>Three kinds of frequently used dental casting alloys were used to make full crowns for dogs. The concentration of the released metal ions was measured after the restoration of 2 weeks, 1 month, 2 months and 3 months. The DNA damage of buccal mucosal cells was studied by the method of SCGE.</p><p><b>RESULTS</b>The metal ions released from NiCr and NiCrBe were detected in buccal mucosal cells while the amount of the ions released from noble alloy (gold 58%) was too small to be detected. The DNA damage of mucosal cells increased after restoration of NiCr and NiCrBe crowns.</p><p><b>CONCLUSION</b>The noble alloy (gold 58%) is most corrosion resistant of the three alloys and has good biocompatibility. The NiCr and NiCrBe are prone to corrode and have cytotoxicity to cells.</p>
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Dano ao DNA
/
Corrosão
/
Coroas
/
Ligas Dentárias
/
Ligas
/
Ouro
/
Íons
/
Mucosa Bucal
Limite:
Animais
Idioma:
Chinês
Revista:
West China Journal of Stomatology
Ano de publicação:
2006
Tipo de documento:
Artigo
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