PROBLEM TO BE SOLVED: To provide a pulp cavity model capable of forming a desired simulation pulp cavity and capable of being easily manufactured.SOLUTION: A pulp cavity model 1 includes a tooth body part 10 comprising a transparent member and a simulation pulp cavity 30 formed in the tooth body part 10. The tooth body part 10 includes: a first body member 11 having a first contact surface 12； a second body member 21 having a second contact surface 22 contacting with the first contact surface 12； and pulp cavity grooves 13, 23 formed on at least one of the first contact surface 12 and the second contact surface 22, and corresponding to the shape of the simulation pulp cavity 30.【課題】所望の形状の模擬歯髄腔を形成でき、かつ、容易に製造できる歯髄腔模型を提供すること。【解決手段】透明部材により構成された歯体部１０と、歯体部１０に形成された模擬歯髄腔３０と、を有する歯髄腔模型１であって、歯体部１０は、第１当接面１２を有する第１本体部材１１と、第１当接面１２に当接する第２当接面２２を有する第２本体部材２１と、第１当接面１２及び第２当接面２２のうちの少なくとも一方に形成され、模擬歯髄腔３０の形状に対応する歯髄腔溝１３，２３と、を備える。【選択図】図３
