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.
Infrared absorption spectra of dental biofilm samples from healthy group in different stages of the study. 1, FTIR spectra of dental biofilm at stage I; 2, FTIR spectra of tooth paste; 3, FTIR spectra of dental biofilm at stage II; 4, FTIR spectra of the pill with calcium glycerophosphate mineral complex; 5, FTIR spectra of dental biofilm at stage III.
