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1983 (1)
1980 (1)
1Author    Ernst-Dieter FranzRequires cookie*
 Title    Fluorapatit Ca5F(P04)3 - Ein Modell zur Synthese der Zahnhartsubstanz im System CaF2-Ca3(P04)2 Fluorapatite -A Model for the Synthesis of Dental Enamel in the System CaF2-Ca3(P04)2  
 Abstract    Fluorapatite Ca5F(PC>4)3 can be synthesized by melting of CaF2 together with Ca3(P04)2 at 1660 °C in the molar ratio CaF2 • 3 Ca3(PÜ4)2. Fluorapatite is more resistant against acids than hydroxylapatite Cas0H(P04)3 and can activate the remineralisation in dental enamel. The apatite of dental enamel is more resistant against mechanical stress than synthetic apatite due to a different microstructure of the crystal grains. 
  Reference    Z. Naturforsch. 38b, 1037—1040 (1983); eingegangen am 25. Mai 1983 
  Published    1983 
  Keywords    Fluorapatite, Hydroxylapatite, Dental Enamel, Synthesis, Phase Equilibria 
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 TEI-XML for    default:Reihe_B/38/ZNB-1983-38b-1037.pdf 
 Identifier    ZNB-1983-38b-1037 
 Volume    38 
2Author    F.C M Dnessens, R.M H VerbeeckRequires cookie*
 Title    Evidence for Intermediate Metastable States during Equilibration of Bone and Dental Tissues  
 Abstract    Experimental data were collected on the solubility equilibrium of the mineral of bone, tooth enamel and calcium phosphate renal stones. Evaluation in the form of potential diagrams of Ca(OH) 2 versus H3P 0 4 shows that Ca/P ratios of 1, 4/3, 10/7, 3/2 and 5/3, related to phases like brushite, octocalcium phosphate, whitlockite, defective apatite and hydroxyapatite respectively can be important. These facts allow the interpretation that many of these calcium phosphates are present simultaneously in biominerals or that they are formed during the equilibration. 
  Reference    Z. Naturforsch. 35c, 262 (1980); received December 27 1979 
  Published    1980 
  Keywords    Calcium Phosphates, Solubility, Bone, Dental Enamel 
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 TEI-XML for    default:Reihe_C/35/ZNC-1980-35c-0262.pdf 
 Identifier    ZNC-1980-35c-0262 
 Volume    35