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.

(2) and (4)

(1) (2) (3)

(1) and (3)

All of the above.

(4) only