What are extraction and nonextraction therapies, and what are the advantages and disadvantages of each?
When there is not enough room for the teeth, there are two alternatives: You either increase the space available for the teeth by expansion or reduce the requirement for space by extraction or slenderization of teeth. Extraction therapy is an technique where some teeth are removed to make room for the other teeth in your mouth. Extraction therapy is often the treatment of choice when there is normal jaw width but extremely crowded or protrusive teeth. Extraction advantages: Extraction therapy can improve the facial profiles of patient’s with bimaxillary (both jaws), bialveolar (bone that supports the roots of teeth), and bidental protrusion. Excessive convexity of the lower face is reduced. Severe crowding is eliminated. Disadvantages: Extraction therapy may restrict the forward lower jaw growth of developing youngsters. Extraction therapy may lead to anterior dental interferences, posteriorly-locked mandibles, and myofascial or temporomandibular joint problems. This has been controver
