Root caries of tooth

# Root caries is alarming because:
 A. It is near to apex
 B. It is symptomatic
 C. It is not seen
 D. It has rapid progression

The correct answer is D. It has rapid progression.

- Root surface caries may occur on the tooth root that has been exposed to the oral environment.
- Root caries is usually more rapid than other forms of caries, and thus should be detected and treated early.
- Root caries is becoming more prevalent because an increasing number of older persons are retaining more of their teeth and experiencing gingival recession, both of which increase the likelihood of root caries development.

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