4. Etiology and mechanism( VV 我国古代对龋的认识 Department Of Oral Pathology, Shandong University 1http://1.51.214.13
Department Of Oral Pathology, Shandong University 1 http://1.51.214.13 我国古代对龋的认识
4. Etiology and mechanism( 我国古代对龋的认识 Department Of Oral Pathology, Shandong University 2htp://1.51.214.13
Department Of Oral Pathology, Shandong University 2 http://1.51.214.13 我国古代对龋的认识
4. Etiology and mechanism( 1676年 Leeuwenhoek用自制高倍显微镜,发 现龋蚀过程与微生物有关。 1867年 Leber& Rotenstein在龋损中找到细 菌,并提出龋病是由产酸细菌的活动及它们 产生的酸所引起。 Department Of Oral Pathology, Shandong University 3http://1.51.214.13
Department Of Oral Pathology, Shandong University 3 http://1.51.214.13 1676年Leeuwenhoek用自制高倍显微镜，发 现龋蚀过程与微生物有关。 1867年Leber & Rotenstein在龋损中找到细 菌，并提出龋病是由产酸细菌的活动及它们 产生的酸所引起
4. Etiology and mechanism( Chemico-bacterial theory Proteolytic theory Proteolytic-chelation theory Three primary factors theory Department Of Oral Pathology, Shandong University 4http://1.51.214.13
Department Of Oral Pathology, Shandong University 4 http://1.51.214.13 Chemico-bacterial theory Proteolytic theory Proteolytic-chelation theory Three primary factors theory
4. Etiology and mechanism(+4 化学细菌学说 chemico- bacterial theory) >化学寄生学说( chemico- parasitic theory) >酸原学说 acidogenic theory) 1889-1890年 Willoughby Dayton Miller提出 主要内容: ①微生物产酸 ②牙面碳水化合物是细菌代谢的主要底物 ⑧酸使釉质溶解破坏 Department Of Oral Pathology, Shandong University 5htp://1.51.214.13
Department Of Oral Pathology, Shandong University http://1.51.214.13 化学细菌学说(chemico-bacterial theory) 化学寄生学说(chemico-parasitic theory) 酸原学说(acidogenic theory) 1889-1890年 Willoughby Dayton Miller 提出 主要内容： ① 微生物产酸 ② 牙面碳水化合物是细菌代谢的主要底物 ③ 酸使釉质溶解破坏 5