A new patient with severe chronic periodontitis has a history of smoking one to two packs of cigarettes each day. The patient in forms you that he will do “anything” to save his teeth, but that he...

A new patient with severe chronic periodontitis has a history of smoking one to two packs of cigarettes each day. The patient in forms you that he will do “anything” to save his teeth, but that he cannot quit smoking. What counsel would you provide this patient about the effect of the smoking habit on the likelihood of long-term control of his periodontitis?