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.
Save. The average $1,500 to $7,500 per-tooth cost for dental implants are a 100 percent out-of-pocket expense for the uninsured and for those whose insurance excludes implant procedures. Some insurers will pay a portion of the costs; however, some plans exclude dental implants completely.