Is It Worth Recommending a Smoking Cessation Program If the Patient

Is it worth recommending a smoking cessation program if the patient has been smoking for more than 20 years?

A) Yes.Studies show that people who quit smoking can respond well to periodontal therapy.
B) No.There is a cumulative effect that does not go away.
C) It does not matter.The damage has already been done to the gingival tissue.
D) Maybe.It depends on how many packs of cigarettes the individual smokes per day.