Quick Answer. According to a study of the United States census completed for Walk Score in 2009, approximately 20,000 cities or metropolitan areas are located in the United States. In 2012, New York, Los Angeles and Chicago were the three largest cities in the country. Continue Reading.
1 A single implant typically costs $2,400-$3,000, but can be $4,000-$10,000 or more if additional procedures like extractions, bone grafts, 2  Placing an abutment and a dental crown on a single implant typically adds $500-$3,000 to the cost of just the implant, for a total of $1,500-$13,000 or more.
I recently received a quote for 3 (molars) implants and the crowns. It came to $8,065. I've done some research and this seems to be an average cost. Dental implants cost anywhere between $800 and $4000 each in the USA. The cost depends on the type of implant and technology used. You may want to get a second opinion and a competitive bid.