Influence of amalgam on the growth of Streptococcus mutans:An in vovo study
- VernacularTitle:银汞合金对变链菌生长抑制作用的体内研究
- Author:
Wang JUN
;
Liu ZHENG
- Publication Type:Journal Article
- Keywords:
Amalgam;
Mutans Streptococci;
In vivo.Inhibition
- From:
Journal of Practical Stomatology
2000;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To study the antibacterial activity of dental amalgam against S.mutans in vivo.Methods:Plaque samples were collected from amalgam surface 1 d,1,2,4 and 8 weeks after tooth restoration with amalgam( group of fresh amalgam) in 16 subjects and from anothor 14 subjects with amalgam tooth restoration for more than 3 years (group of aged amalgam).Plaque samples were collected only once.Isolation frequency (IF) and colony forming unite(CFU) of S.mutans were tested.The plague samples from oposite tooth were used as the controls.Results:In the group of fresh amalgam IF and CFU of S.mutans were heigher on amalgam than on the control teeth(P0.05).Conclusion:Amalgams may have inhibitory effects on the growth of S.mutans.
