Arroyo Grande, California. For the California wine region, see Arroyo Grande Valley AVA. Arroyo Grande is a city in San Luis Obispo County, California, United States. The population was 17,716 at the 2013 census.
1 Tooth-colored resin fillings usually cost between $90 and $250 for one to two teeth, and between $150 and $450 for three or more.  Porcelain or cast-gold fillings are the most expensive option. They can cost anywhere from $250 to $4,500, depending on the size of the cavity.
Silver fillings generally cost $110 to $200 per filling, while composite fillings generally cost $135 to $240 per filling. The cost varies based on the extent of damage to the tooth. In addition, dental health insurance policies generally cover a significant portion of the cost of these procedures.