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.
Dental implants are expensive. Though the cost of implants varies based on location and dental provider, a single tooth averages about $2,500. With each tooth, patients often need an abutment (which connects the implant to the crown) and crown, bringing the total cost to about $4,000 for a single tooth.