What is a PRR?

Preventive Resin Restoration (PRR) is a thin, resin coating applied to the chewing surface of molars, premolars and any deep grooves (called pits and fissures) of teeth. More than 75% of dental decay begins in these deep grooves.


PRR utilizes the invasive and non-invasive treatment of borderline or questionable caries. The resin placed in the carious areas or adjacent caries susceptible areas seals them from the oral environment and provides a valuable alternative to conventional fillings.

Why have I not heard of a PRR before?

Preventive Resin Restorations are a new technology. Research shows great long term success. Not only that, but there are many advantages to this treatment over fillings. Minimal preparation prevents unnecessary removal of healthy tooth structure and halts the destruction of teeth.


Why a PRR and not a sealant?

Doctor Joshi makes recommendations based on your child’s individual needs. Sealants are a great way to prevent decay but are sometimes unsuccessful. Therefore, PRRs are recommended in certain situations so we can seal off the grooves and pits of permanent posterior teeth during the adolescent and teen years and keep them decay-free during this period. There is a strong indication those teeth will remain decay-free after a PRR. Studies have shown that it is during these critical years (ages 6 - 20) when most occlusal decay occurs. Placing a posterior restoration does not guarantee that a future larger restoration will not be needed.