the depletion of the ozone layer â la rarefaccion rarefacciÃ³n or destruccion destrucciÃ³n de la capa. de ozono
Traditional metal bracesâAlthough traditional metal braces are the most noticeable type, they are the least expensive orthodontic treatment option. The Consumer Guide for Dentistry estimates that traditional braces can cost anywhere from $3,000 to $7,000, depending on whether or not you have insurance coverage.
The American Academy Of Orthodontists (AAO) recommends that most children should have an orthodontic assessment by age 7. With studies have shown that braces are more frequently applied to children at a later date (11-13) than the younger prepubescent (8-10) bracket.