To provide a work model for dental technique such that a dentiform model can be handled as required without using a dowel pin.

The work model for dental technique includes a fixing plate 6 and a support base 8 having a base body portion 10 for supporting the fixing plate 6. The base body portion 10 is provided with first connection protrusions 16, 18, and also provided with a second connection protrusion 28 between the first connection protrusions 16, 18. On a reverse surface of the fixing plate 6, a first connection recess 40 is formed corresponding to the first connection protrusions 16, 18, and a second connection recess is formed corresponding to the second connection protrusion 28. A plurality of first recesses 26 are formed on the inside faces of the first connection protrusions 16, 18. A plurality of first protrusions 48 are formed on the outside face of the first connection recess 40. A plurality of second recesses 34 are formed on both side faces of the second connection protrusion 28. A plurality of second protrusions are formed on both side faces of the second connection recess.