Dental Caries Classifications

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Questions and Answers

What is the Class 1 Caries Classification?

  • Any tooth on the gingival third of the lingual or buccal/labial surface
  • Occlusal surfaces of posterior teeth (correct)
  • Posterior teeth MO or DO, or MOD
  • Anterior teeth on the mesial or distal surfaces

What areas do Class 2 Caries Classification cover?

Posterior teeth MO or DO, or MOD

Where does Class 3 Caries Classification occur?

Anterior teeth on the mesial or distal surfaces

What is included in the Class 4 Caries Classification?

<p>Anterior teeth MI or DI</p> Signup and view all the answers

What does Class 5 Caries Classification encompass?

<p>Any tooth on the gingival third of the lingual or buccal/labial surface</p> Signup and view all the answers

What is defined by Class 6 Caries Classification?

<p>Any tooth on the occlusal cusp or ridge or the incisal edge</p> Signup and view all the answers

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Study Notes

Caries Classifications

  • Class 1 Caries: Involves the occlusal surfaces of posterior teeth, and affects the occlusal two-thirds of the buccal and lingual surfaces of molars, as well as the lingual surfaces of maxillary incisors.

  • Class 2 Caries: Occurs in posterior teeth and involves mesial-occlusal (MO), distal-occlusal (DO), or mesial-distal-occlusal (MOD) surfaces.

  • Class 3 Caries: Affects anterior teeth, specifically targeting the mesial or distal surfaces.

  • Class 4 Caries: Involves anterior teeth with decay present on the mesio-incisal (MI) or diisto-incisal (DI) surfaces.

  • Class 5 Caries: Can occur on any tooth, presenting on the gingival third of either the lingual or buccal/labial surfaces.

  • Class 6 Caries: Affects any tooth, specifically involving the occlusal cusp, ridge, or incisal edge, often signifying severe wear.

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