- patients with uncontrolled parafunction, those presenting with poor oral hygiene and disinterested in or refused oral hygiene instructions, molars and premolars with carious lesions on a surface other than the occlusal surface and in continuity with the occlusal cavity, pulp exposure during caries removal procedure or cavities with the risk of pulp exposure, having spontaneous pain or sensitivity to percussion, and patients with periodontal or gingival disease.