Stages of caries

Stages of caries
Caries may be classified in two manners. From the point of view of the clinical course of the caries, they may be active or of rapid progression, chronic or of slow progression, or rampant caries that affect almost all the teeth and progress rapidly. They may otherwise be classified according to the tissue involved: first degree affecting the enamel; second degree affecting the enamel and dentin; third degree affecting the enamel, dentin and pulp; fourth degree when periapical changes are present; and fifth degree when there is dental root disease (5)(8)(24).

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