Dispersion and polar surface free energi
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van Pelt, A. W. J. ;de Jong, H. P. ;Busscher, H. J. ;Arends, J.
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Article
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1983
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John Wiley and Sons
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English
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In this study, the dispersion (7:) and polar ( y r ) surface free energies of human enamel with and without an acquired enamel pellicle and of crystalline hydroxyapatite were determined from contact angle measurements. The results show that y{is strongly influenced by the presence of a pellicle; the