As Japan's age-sex pyramid shows, the country has a huge number of elderly and middle-age adults (about 40% of Japan's population is expected to be over 65 by 2060) and the country is experiencing a dearth in the number of babies and children.
Although the cost of braces can vary, the average price of traditional metal braces for teeth in the U.S. ranges between $3,000 and $7,000. This price can rise dramatically if your child needs (or wants) a different type of braces.
As with children, adults may need to wear a retainer to maintain the results of treatment after braces are removed. The cost of braces depends on the type you select. On average, metal braces cost $5,000 to $6,000. Keep in mind that your out-of-pocket costs will likely be higher if you choose non-metal braces.