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Orientations of Carbonate Ions in Human Tooth Enamel Studied with Use of the CO 3-3 Radical Ions as Probes
Y. Doi
Department of Dental Technology, Osaka University Dental School, Nakanoshima, Kita-ku, Osaka 530, Japan
T. Aoba
Department of Oral Pathology, Osaka University Dental School, Nakanoshima, Kita-ku, Osaka 530, Japan
Y. Moriwaki
Department of Dental Technology, Osaka University Dental School, Nakanoshima, Kita-ku, Osaka 530, Japan
M. Okazaki
Department of Dental Technology, Osaka University Dental School, Nakanoshima, Kita-ku, Osaka 530, Japan
J. Takahashi
Department of Dental Technology, Osaka University Dental School, Nakanoshima, Kita-ku, Osaka 530, Japan
With the use of CO 3-3 radical ions as probes, it is concluded that the carbonate ions substitute in the apatite lattice of human tooth enamel in two different ways. Most of the carbonate ions in the apatite lattice are aligned with their symmetry axis parallel to the c axis, whereas the remaining carbonate ions are aligned with their symmetry axis perpendicular to the c axis.
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Journal of Dental Research, Vol. 59, No. 9,
1473-1477 (1980)
DOI: 10.1177/00220345800590090301

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