全英文复习题--中山大学-口腔医学

Single choice questions:What is considered to be the primary cause of dental caries? (B) A. sugar B. plaque C. saliva D. materia albaThe first step in the formation of dental plaque is (A) A. acquired pellicle B. materia alba C. food debrisD. bacterial colonizationWhich of the following nutrient has been found to be an overwhelming cause of the development of plaque and dental caries? (B) A. proteins B. carbohydrates C. minerals D. vitaminsWhich of the following microorganisms has been implicated in the dental caries process? (C) A. Streptococcus salivarius B. Streptococcus mitis C. Streptococcus mutansD. Veillonella sp.The MOST cariogenic carbohydrate is (A) A. sucrose B. fructose C. glucose D. maltoseThe state of teeth joined together only by cementum is diagnosed as (B) A. fusion B. concrescence C. budding D. geminationThe process of demineralization will occur with (A) A. caries B. calculus C. green stain D. yellow stainDental handpieces must be sterilized (B) A. once a day B. after each patient C. lubricated once a day D. after working on a patient with a known communicable diseaseThe most frequently isolated microorganism on root surface caries is (C) A. Lactobacillus B. Streptococcus mutans C. Actinomyces D. Streptococcus mitisThe ancient book recorded a silver amalgam paste for dental fillings over 14 centuries ago was written by (D) A. Egyptians B. Greeks C. Romans D. ChineseShort note questions:1. DMF index：An index for managing statistically the number of decayed, missing, or filled teeth in the oral cavity. 2. Trends of dental caries in epidemiology The prevalence rate has decreased in developed countries, and this decline is usually attributed to increasingly better or...