title: Ultrasonic studies of unblemished and artificially demineralized enamel in extracted human teeth: a new method for detecting early caries.
authors.forename: S Y
authors.initials: SY
authors.lastname: Ng
authors.forename: M W
authors.initials: MW
authors.lastname: Ferguson
authors.forename: P A
authors.initials: PA
authors.lastname: Payne
authors.forename: P
authors.initials: P
authors.lastname: Slater
mesh_terms: D003720:Densitometry; D003731:Dental Caries / Q000175:diagnosis*; D003743:Dental Enamel / Q000033:anatomy & histology*; D006801:Humans; D014463:Ultrasonography / Q000295:instrumentation / Q000379:methods*