Wuhan University
1 Wuhan University
Caries Prevention School of Stomatology, Wuhan University Jiang Han
2 Caries Prevention School of Stomatology, Wuhan University Jiang Han
·熟悉：易感人群的预测在防龋工作中的 意义、激光防龋、替代疗法的基本概念； ”掌握：龋病致病因素 ”重点掌握：龋病的三级预防、菌斑控制 在防龋中的作用、龋活性试验
3 ❖ 熟悉：易感人群的预测在防龋工作中的 意义、激光防龋、替代疗法的基本概念； ❖ 掌握：龋病致病因素 ❖ 重点掌握：龋病的三级预防、菌斑控制 在防龋中的作用、龋活性试验
Caries definition:infectious, transmissible disease clinical features of caries colour,shape, structure harm of caries loss of tooth structure, pain,tooth loss,acute systemic infection
4 Caries definition: infectious, transmissible disease clinical features of caries : colour, shape, structure harm of caries : loss of tooth structure, pain, tooth loss, acute systemic infection
Etiology of dental caries O Chemico-parasitic theory:1889 Miller OProteolytic theory:1947 Gottlieb OProteolysis-chelation theory:1955 Schatz ●Amylon theory:l959 Egydi:sugar intake↑↑，the Amylon in the tooth tissue
5 Etiology of dental caries Chemico-parasitic theory：1889 Miller Proteolytic theory：1947 Gottlieb Proteolysis-chelation theory：1955 Schatz Amylon theory：1959 Egydi: sugar intake↑ ↑，the Amylon in the tooth tissue ↑
Etiology of Dental Caries -The theory of four factors Host Caries Microbial Diet Time
6 Etiology of Dental Caries Host Caries Microbial Diet ——The theory of four factors Time
Risk factors of dental caries
Risk factors of dental caries 7
Cariogenic bacteria in human Streptoccus mutans group First:S.mutans Second:S.sobrinus Lactobacillus: L.casei L.acidphilus Actinomyces: A.naoslundii genspecies others
8 Cariogenic bacteria in human ❖ Streptoccus mutans group: First:S.mutans Second:S.sobrinus ❖ Lactobacillus： L.casei L.acidphilus ❖ Actinomyces： A.naoslundii genspecies ❖ others
Cariogenic bacteria ●Mutans Streptococci G十球菌，链长中等，在有葡萄糖的培养 基中生长时菌体变长，呈链状，故称“变形链 球菌” 为一群血清型不同而生理生化持性相同的 细菌。a-h八种血清型
9 Cariogenic bacteria Mutans Streptococci G+ 球菌，链长中等，在有葡萄糖的培养 基中生长时菌体变长，呈链状，故称“变形链 球菌” 为一群血清型不同而生理生化特性相同的 细菌。a- h 八种血清型
the golden marker of Mutans Streptococci by Colloid 10
10 the golden marker of Mutans Streptococci by Colloid