Piezoelectricity in cementum, dentine and bone.
作者： A.A. Marino , B.D. Gross
DOI: 10.1016/0003-9969(89)90087-3
关键词: Biomedical engineering 、 Cementum 、 Piezoelectricity 、 Materials science 、 Anatomy 、 Human bone
摘要: Unlike the dental hard tissues, bone remodels when subjected to orthodontic forces. Bone is also piezoelectric (generates a surface electrical charge upon application of force). In dentine and cementum from sperm whale teeth (which gave samples sufficient size), existence magnitude piezoelectricity were examined compared with human bone. Both tissues found be coefficients 0.027 0.028 pC/N, respectively; coefficient was eight times greater (0.22 pC/N). Thus strength effect correlated known capacities undergo adaptive remodelling. This result consistent theory that mediates orthodontically induced alveolar
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