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Unit 6. Radiographic Interpretation of Dental Caries. Severity of Caries. Early, incipient (1 st degree) Moderate (2 nd degree) Advanced (3 rd degree) Extensive (4 th degree). Caries Progression. Location of Caries. Occlusal, incisal Proximal Lingual, palatal Facial Cemental
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Unit 6 Radiographic Interpretation of Dental Caries
Severity of Caries • Early, incipient (1st degree) • Moderate (2nd degree) • Advanced (3rd degree) • Extensive (4th degree)
Location of Caries • Occlusal, incisal • Proximal • Lingual, palatal • Facial • Cemental • Recurrent
Recurrent Caries • Caries immediately next to a restoration • Inadequate margins or excavation • Pulpal necrosis • Metallic restorations often hide • Clinical examination
Caries: Xerostomia • Therapeutic radiation • Xerostomia • Sjogren’s syndrome • Caries begins at cervical region • Extensive decay
Adumbration • Between CEJ and alveolar crest • Diffuse radiolucency • Ill-defined borders • Presence of the edge of root • Clinical evaluation
Rampant Caries • Children • Poor dietary habits • Extensive caries • Proximal and smooth surface • Socio-economic factors
Factors In Caries Diagnosis • Location of the tooth • Surface involved • Size of the carious lesion • Restoration, material • X-ray beam angulation • Film placement
Factors In Caries Diagnosis • Film type • Developer solution – age • kVp • mAs • Room lighting • Observer