A two -- paste orthodontic adhesive is prepared by Coupling agent 4 -- META. New substrate resin. filler treatment etc., Adhesive strength achieves level of similar produets at home and abroad.

• 通过对粘结性偶联剂4-META、新型基质树脂、填料处理方法等的选择和研制，开发了双糊剂型的正畸粘结剂，其粘接强度达到国内外同类产品的水平。