Violation

Which of the following statements is/are true? 1. Radiographs cannot differentiate between infected and non-infected periapical lesions. 2. A definitive diagnosis of an apical lesion cannot be made on radiography alone. 3. Periapical radiolucencies are not always indicative of loss of pulp vitality. 4. A periapical radiograph can be used to locate the buccal bone level.

(1) (2) (3)

(1) and (3)

(2) and (4)

(4) only

All of the above.

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