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.
Here are the average national prices for three common filling materials for molars and the most common filling for a front tooth, which is white resin composite: 1  Amalgam (silver), back tooth: $132. 2  Resin composite (white), front tooth: $155. 3  Resin composite (white), back tooth: $170.  Gold crown, back tooth: $1,123.