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)