PROBLEM TO BE SOLVED: To provide a dental technique work model which can increase joint strength in the horizontal direction of a fixing plate and a support base.SOLUTION: Joint projection parts 24 which protrude upward are provided on both side edges on an upper surface of a support base 12F a plurality of joint auxiliary projection parts 72F are provided for a part inwardly apart from one side edge. Inside parts of the joint projection parts are provided with a plurality of first projection parts 26 and first recessed parts 28 by turns both side edge on a lower surface of a fixing plate 6F is provided with a plurality of joint recessed parts 36 extending upward, and a part inwardly apart from one side edge is provided with a plurality of joint auxiliary recessed parts 78F and inside parts of the joint recessed parts are provided with a plurality of second projection parts 38 and second recessed parts 40 by turns. When the fixing plate is supported on the support base, the first projection parts 26 and the first recessed parts 28 of the joint projections are mutually joined to the second recessed parts 40 and the second projection parts 38 of the joint projection parts, and the joint auxiliary projection parts 72F and the joint auxiliary recessed parts 78 are mutually joined.COPYRIGHT: (C)2014,JPO&INPIT【課題】 固定用プレートと支持基台との水平方向の連結強度を高めることができる歯科技工用作業模型を提供する。【解決手段】 支持基台12Fの上面における両側縁には、上方に突出する連結用突部24が設けられ、一側縁よりも内側に離れた部位には複数の連結補助用突部72Fが設けられ、連結用突部の内側部には、第1突状部26及び第1凹状部28が交互に複数設けられ、固定用プレート6Fの下面における両側縁には、上方に延びる連結用凹部36が設けられ、一側縁よりも内側に離れた部位には複数の連結補助用凹部78Fが設けられ、連結用凹部の内側部には、第2突状部38及び第2凹状部40が交互に複数設けられ、固定用プレートが支持基台の上に支持されると、連結用突部の第1突状部26及び第1凹状部28はそれぞれ、連結用凹部の第2凹状部40及び第2突状部38と、また連結補助用突部72Fと連結補助用凹部78Fとが相互に連結される。【選択図】図17
