Root canal therapy may be safely and successfully undertaken for:
(1) hemophiliacs
(2) pt. with a history of rheumatic fever
(3) pt. with rheumatic arthritis
(4) cerebral palsy pt.
(5) adolescent diabetics

(1) (2) (3) (5)

(2) (3) (4)

(3) (4) (5)

None f the above

All of the above