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《牙体牙髓病学》课程教学课件(讲稿)龋病的临床表现 Clinical Manifestation and Diagnosis of Dental Caries

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《牙体牙髓病学》课程教学课件(讲稿)龋病的临床表现 Clinical Manifestation and Diagnosis of Dental Caries
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Clinical Manifestation and Diagnosis of Dental Caries

Clinical Manifestation and Diagnosis of Dental Caries

Structure of the Tooth Cusp Enamel Uo3z Dentin Gum Pulp Cementum Periodontal ligament QOO-u Alveolar bone Apex

Structure of the Tooth

Dental Caries (Tooth Decay) Dental Caries is a kind of infective disease occurred in the hard tissue of the tooth. Dental caries is a demineralization of the tooth surface caused by bacteria

Dental Caries (Tooth Decay) • Dental Caries is a kind of infective disease occurred in the hard tissue of the tooth. • Dental caries is a demineralization of the tooth surface caused by bacteria

Content of this Lecture Review the pathology of dental caries. Know the pathological process of caries and the relation between clinical manifestation and pathological changes. Be familiar with the classification of caries. Master the diagnostic techniques and clinical manifestation of dental caries

Content of this Lecture • Review the pathology of dental caries. • Know the pathological process of caries and the relation between clinical manifestation and pathological changes. • Be familiar with the classification of caries. • Master the diagnostic techniques and clinical manifestation of dental caries

本节课的教学内容及要求 复习了解龋病的病理过程。 了解龋病的临床表现与病理学改变之 间的关系。 ·熟悉龋病的分类。 ·掌握龋病的诊断和临床表现

本节课的教学内容及要求 • 复习了解龋病的病理过程。 • 了解龋病的临床表现与病理学改变之 间的关系。 • 熟悉龋病的分类。 • 掌握龋病的诊断和临床表现

PATHOLOGICAL PROCESS 相对完整的表层 (surface zone) 暗层dark zone) 病损体部body of the lesion) 透明层(translucent zone) enamel caries

Protective Factors PATHOLOGICAL PROCESS 相对完整的表层 (surface zone) (surface zone) (surface zone) (surface zone) 病损体部(body of the lesion) of the lesion) of the lesion) of the lesion) 暗层(dark zone) (dark zone) (dark zone) (dark zone) 透明层(translucent (translucent (translucent (translucent zone) enamel caries

6 phases of the process of caries(1) The tooth surface is demineralized. The translucent zone is formed under the surface at first. Clinical exam and radiography show no change in the tooth

6 phases of the process of caries(1) • The tooth surface is demineralized. • The translucent zone is formed under the surface at first. • Clinical exam and radiography show no change in the tooth

6 phases of the process of caries(2) Demineralization goes on.The translucent zone becomes larger. Remineralization takes place in some area. The dark zone is formed

6 phases of the process of caries(2) • Demineralization goes on. The translucent zone becomes larger. • Remineralization takes place in some area. • The dark zone is formed

6 phases of the process of caries(3) Demineralization exceeds remineralization. The body of the lesion is formed. ·Ve can see a chalky white spot on the tooth surface

6 phases of the process of caries(3) • Demineralization exceeds remineralization. • The body of the lesion is formed. • We can see a chalky white spot on the tooth surface

6 phases of the process of caries(4) The pigment from the oral cavity goes into the lesion. The white spot becomes brown or black

6 phases of the process of caries(4) • The pigment from the oral cavity goes into the lesion. • The white spot becomes brown or black

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