Pages 495-502, Language: EnglishHodosh / Hodosh / HodoshFollowing deep restorations in vital teeth, postoperative pain of various durations frequently occurs, even if the teeth were asymptomatic before treatment. In this study, a potassium nitrate-polycarboxylate cement was used as a liner and was found clinically to tend to preserve pulpal vitality and significantly eliminate or decrease postoperative pain.