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.
That makes them an attractive option if you have a lot of cavities you donât want people to see. However, resin fillings cost a bit more than a standard metal filling. One or two teeth filled with this material will run you between $90 and $250, depending on the size of the cavities. More than that and youâre looking at between $150 and $450. Porcelain or gold cast: We saved the most expensive for last.