Violation

Which of the following factors influence(s) the development of root caries? 1. A diet high in refined carbohydrates. 2. Periodontal disease. 3. The anatomy of the cemento-enamel junction. 4. Xerostomia.

All of the above.

(4) only

(2) and (4)

(1) and (3)

(1) (2) (3)

Please describe the matter of abuse