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.
Dental filling costs without insurance can vary depending on how many fillings your child needs, as well as the type of material used to fill the tooth. According to CostHelper: Metal (silver amalgam) fillings can cost between $50 and $150 for one to two teeth, and between $120 and $300 for more than two teeth.