Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Cox proportional hazards model results. Failure is the dependent variable. The independent variables are gender, age, tooth type, and material (IRM/Coltosol) type. The analysis showed that the only variable that significantly influences the risk of treatment failure in this study is the follow up period.
