Before revision: Dental percolation, increase rate of decay under crowns because of a conducive environment for strep mutants and lactobacillus Potential sites for septic systems are tested by the " perk test".
After revision: Dental percolation, increase rate of decay under crowns because of a conducive environment for strep mutants and lactobacillus Potential sites for septic systems are tested by the " perc test".