<prompt> Which of the following type of PRR requires local anesthesia and liner?Type AType BType CAll of the above  <response>: TYPES OF PRRBased on the extent and depth of the carious lesions:a Type A - Suspicious pits and fissures where caries removal is limited to enamel.b Type B - Incipient lesion in dentin that is small and confined.c Type C - Characterized by the need for greater expIoratory preparation in dentin.Key conceptType CGreater exploratory preparation of dentin. Requires LA.Requires placement of a liner like calcium hydroxide or GIC over the exposed dentin. 