noun
trial denture; wax denture
Dental term for a temporary denture made of wax, used for fitting or planning before the final prosthesis.
歯科技工士が蝋義歯を作って患者に試適した。
The dental technician made a wax denture and tried it on the patient.
Compound of 蝋 (ろう, 'wax') and 義歯 (ぎし, 'denture'). The exact historical derivation is uncertain, but the term is a straightforward technical compound.