Radiographic Interpretation of Dental Caries

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Radiographic Interpretation of Dental Caries

• Unit 6

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Severity of Caries

• Early, incipient (1st degree)
• Moderate (2nd degree)
• Advanced (3rd degree)
• Extensive (4th degree)

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Caries Progression
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Location of Caries

• Occlusal, incisal
• Proximal
• Lingual, palatal
• Facial
• Cemental
• Recurrent

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Incipient Caries
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Occlusal Caries
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Occlusal Caries
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Proximal Caries
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Proximal Caries
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Proximal Caries
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Cemental Caries
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Recurrent Caries

• Caries immediately next to a restoration
• Inadequate margins or excavation
• Pulpal necrosis
• Metallic restorations often hide
• Clinical examination

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Recurrent Caries
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Recurrent Caries
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Caries Xerostomia

• Therapeutic radiation
• Xerostomia
• Sjogrens syndrome
• Caries begins at cervical region
• Extensive decay

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Adumbration (Cervical Burnout)
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Occlusal Caries
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Adumbration
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Adumbration

• Between CEJ and alveolar crest
• Diffuse radiolucency
• Ill-defined borders
• Presence of the edge of root
• Clinical evaluation

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Adumbration
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Rampant Caries

• Children
• Poor dietary habits
• Extensive caries
• Proximal and smooth surface
• Socio-economic factors

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Rampant Caries
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Rampant Caries
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Factors In Caries Diagnosis

• Location of the tooth
• Surface involved
• Size of the carious lesion
• Restoration, material
• X-ray beam angulation
• Film placement

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Factors In Caries Diagnosis

• Film type
• Developer solution age
• kVp
• mAs
• Room lighting
• Observer