a structural model of the human craniomandibular system , comprises a cranium part , a flexible column formed by a plurality of vertebra parts interconnected by at least two elastic bands and by universal couplings , the top vertebra part rotatably supporting the cranium part . the cranium part is provided in opposite side faces thereof with cavities serving as bearing surfaces . a mandible part has top faces adapted to cooperate with said bearing surfaces and form a joint for movement of the mandible part , according to several degrees of freedom . further , there are provided a hyoid part , a sternum part , a pair of clavicle parts coupled with said sternum part by universal couplings as well as a pair of scapula parts coupled with a respective clavicle part by universal couplings , the aforementioned parts being interconnected by a plurality of resilient members , arranged in pairs , which simulate the muscle functions .