Violation
The most appropriate treatment of necrotizing ulcerative periodontitis (NUP) in a patient with no fever and no lymphadenopathy is 1. periodontal debridement. 2. antibiotic therapy. 3. oral hygiene instruction. 4. topical steroid therapy
(2) and (4)
(1) and (3)
(1) (2) (3)
All of the above
(4) only