The development of oral orthodontic disciplines of Jinzhou Medical College Department of Oral Zhang Yuxia any subject development and other disciplines are closely related to the development of orthodontics is no exce...The development of oral orthodontic disciplines of Jinzhou Medical College Department of Oral Zhang Yuxia any subject development and other disciplines are closely related to the development of orthodontics is no exception, which can be obtained from its development process prove. Initially used to treat orthodontic patients with precious metals, because of the expensive, very few people acceptable. Later, materials scientists and orthodontists through.展开更多
文摘The development of oral orthodontic disciplines of Jinzhou Medical College Department of Oral Zhang Yuxia any subject development and other disciplines are closely related to the development of orthodontics is no exception, which can be obtained from its development process prove. Initially used to treat orthodontic patients with precious metals, because of the expensive, very few people acceptable. Later, materials scientists and orthodontists through.
