title: [Determination of the acoustical properties of enamel, dentin and alveolar bone].
abstract: An ultrasonic method for periodontal diagnosis has been developed by the authors. A fundamental part of this work is the evaluation of the acoustical properties of the hard tissues: enamel, dentine and alveolar bone. Using an adapted measuring device, in combination with a computer-controlled signal acquisition and analysing system, acoustical parameters (velocity, impedance and frequency-dependent attenuation) are determined. The knowledge of these parameters is a prerequisite for a correct interpretation of A-mode and B-mode images, representing parts of the oral/facial aspect of a periodontium.
mesh_terms: D000162:Acoustics; D000539:Alveolar Process / Q000033:anatomy & histology*; D003743:Dental Enamel / Q000033:anatomy & histology*; D003804:Dentin / Q000033:anatomy & histology*; D006801:Humans; D013696:Temperature; D014463:Ultrasonography / Q000379:methods*
vernacular_title: Bestimmung akustischer Kenngrössen von Schmelz, Dentin und Alveolarknochen.