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• Preventive resin restoration (PRR) is a thin, resin coating applied to the chewing surface of molars, premolars and any deep grooves of the teeth.• They are a natural extension of the use of occlusal sealants.• It consists of an enamel sealant with a resin filling.• If caries is present in one area or parts of pits and fissures, that particular area of caries is restored and fissures are protected with sealants.• It integrates the preventive approach of the sealant therapy for caries susceptible pit & fissure with therapeutic restoration incipient caries with composite resin that occur on the same occlusal surface.
• They are the conservative answer to conventional extension for prevention” philosophy of Class I amalgam cavity preparation.