In the classification of dental caries, what class is the caries located on the middle third of anterior teeth?

Class 3. Class 1 - single surface on posterior teeth. Class 2 - involves an inter proximal surface on a posterior tooth. Class 3 - involves an inter proximal surface of an anterior tooth (usually in the middle or incisal third). Class 4 - involves the incisal edge of an anterior tooth. Class 5 - cavity along the gum line.
One more Class... Class vi - cusp tip caries the doc above is right on, but i thought i'd add class vi for thoroughness.

Related Questions

How are social class and dental caries related?

Diet. This is a generalization. Some social classes have diets that are high in carbohydrates (sugars). Access to care as well as making dental health a priority are also factors. Read more...
Differnet levels. Ther eis a theory since poorer people eat a high carbohydrate diet they are more prone to dental disease. More fast food and high sugar foods are eaten in lower social class people. Read more...
Money, money...money. Lower social class usually implies less income, and less income GREATLY limits regular evaluations by a Dentist. Hence cavities can be a problem in this group; but actually cavities can be a problem for even some College professors and hospital doctors. Read more...