The manufacturing method comprises (a) a step of mixing 2-5 parts by weight of lanthanum silicate (La-Si), or rutile titanium oxide (TiO2), or a combination thereof as a filler to 100 parts by weight of polymethylmethacrylate； (b) a step of forming a mixed resin by inputting and mixing 1-2 parts by weight of camphorquinone as photo hardener to 100 parts by weight of polymethylmethacrylate in the mixture of step (a)； (c) a step of dipping glass fiber meshes in the mixed resin formed in step (b)； (d) a step of processing the body in which the glass fiber meshes are inserted so as to be attached to the surface of teeth in parallel and long and to form a cylinder form on the whole, and removing excessive resin； and (e) a step of completing a bar type glass fiber rod. According to the present invention, the manufacturing method of splint according to the present invention has the effect of being strongly attached to teeth without degrading its appearance in a teeth color, while the splint capable of processing in a teeth color, not in metal, is degraded in the strength to attach to the surface of teeth which generate the phenomenon of being exfoliated from the teeth when used in a long term. [Reference numerals] (S100) Mix 2-5 parts by weight of anthanum silicate, or rutile titanium oxide, or a combination thereof as a filler to 100 parts by weight of polymethylmethacrylate； (S102) Form mixed resin by inputting and mixing 1-2 parts by weight of camphorquinone as photo hardener to 100 parts by weight of polymethylmethacrylate； (S104) Dip glass fiber meshes in mixed resin； (S106) Process body in which glass fiber meshes are inserted so as to be attached to surface of teeth in parallel and long and to form a cylinder form on the whole, and remove excessive resin； (S108) Complete bar type glass fiber rod본 발명에 따른 치과용 스플린트 제조방법은 (a) 폴리메틸메타크릴레이트 100 중량부에 대하여, 필러로 란탄실리케이트(La-Si) 또는 루틸형 티타늄옥사이드(TiO2) 또는 이들의 조합 2 ~ 5 중량부를 혼합하는 단계와, (b) 상기 (a) 단계의 혼합물에 광 경화제로 캄포퀴논(camphorquinone)을
