What Strategy Should Be Tried in Treating Dentinal Hypersensitivity

What strategy should be tried in treating dentinal hypersensitivity?

A) Application of in-office therapy and diet counseling
B) Reassurance that sensitivity goes away without treatment
C) Recommendation of a home product such as desensitizing toothpaste, diet counseling, and referral to the dentist
D) Assessment, explanation, oral hygiene instruction, application of an in-office therapy, recommendation of a home treatment product, and possible referral to the dentist