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.
Generally the cost for the implant alone is $1,000 to $3,000 given the location of the implant. The crown costs an additional $500 to $3,000, again dependent on the size and type of crown placed. The average cost for a single implant crown is $4,250. Metal crowns made of gold alloy or of base-metal alloys and generally cost $600 to $2,500 per tooth depending on the metal and the size of the tooth. 2  People with insurance typically paid $520 â $1,140 out of pocket with an average of $882 per crown.