The thickness and hardness of soft tissues. A preliminary clinical survey.
D003822:Denture Liners; D006244:Hardness / Q000295:instrumentation*; D006801:Humans; D008875:Middle Aged; D009061:Mouth Mucosa / Q000032:analysis* / Q000033:anatomy & histology; D009066:Mouth, Edentulous; D014159:Transducers / Q000295:instrumentation