Journal of the Korean Academy of Pediatric Dentistry 1998;25(3):539-544.
Published online August 31, 1998.
APPLICATION OF THERMOFORMED APPLIANCES IN PEDIATRIC DENTISTRY
 
소아치과 임상에서의 Thermoformed Appliance의 적용
김신, 정태성, 양철호
부산대학교 치과대학 소아치과학교실
Abstract
Thermoformed appliance, which has been recently introduced for dental usage, is an appliance made of thermoformed sheets and formed with positive or negative pressure under heat. Thermoplastic material is a kind of plastics and can be repeatedly softened by heat. It is classified into hard elastic foil, hard/soft compound foil and soft elastic foil, including BIOPLAST, BIOCRYL, IMPRELON, etc. It has been developed in 1969 and is available in various thickness, shape and color. There are two types of Vacuum former for thermoplastic materials; the pressure type and suction type. The former is much better than the latter for fabrication of various appliances due to its higher pressure. The authors have applied these appliances to some cases - chin cap, active retainer, individual Fluoride tray, mouth protector, bracket transfer mask, bruxism splint(night guard), Essix appliance - by pressure type Vacuum former(Biostar®). The thermoplastic appliances have numerous advantages such as simple procedure, short working time, clean and transparent product, less objectionable taste. But its outstanding advantage would be its excellent biocompatibility bacause it has no monomer and hence no tissue irritation. Although there is some limitations in its usage, it can be used widely for various purposes especaily for pediatric dentistry.
Key Words: Thermoformed appliance, Vacuum-forming


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