Microscopic and X-Ray Investigations on Calcification of Tissue

Taylor, Nelson W.; Sheard, Charles

doi:10.3181/00379727-26-4246

Cited by 12 publications

(14 citation statements)

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“…This discovery was clarified afterwards, suggesting that the bone mineral could be carbonated apatite (de Jong 1926;Bredig 1933). Further optical and X-ray analysis of bones and other mineralized tissues matched analyses of two apatites: FA and dahllite (Taylor and Sheard 1929). Additional historical data on this point are available in literature (Dorozhkin 2012a(Dorozhkin , 2013a).…”

Section: Biological Hard Tissues Of Capomentioning

confidence: 99%

Calcium orthophosphates (CaPO 4 ): Occurrence and properties

Dorozhkin¹

2017

Morphologie

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Section: Biological Hard Tissues Of Capomentioning

confidence: 99%

Calcium orthophosphates (CaPO 4 ): Occurrence and properties

Dorozhkin¹

2017

Morphologie

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“…The serum calcium and inorganic phosphorus of two childrent during healing rickets D. C., 13 Detailed reports of the clinical findings and studies of the mineral metabolism of the 2 children are reported elsewhere (4). The A careful review of the literature has disclosed but two other reports of healing rickets concomitant with low serum inorganic phosphorus, and in one of these reports the low phosphorus was but a transitory finding.…”

Section: Table Imentioning

confidence: 99%

“…No evidence of the presence of CaHPO4 or CaCO3 in bone was found by either group of investigators, although Roseberry and his colleagues studied newlydeposited, as well as old bone. In studies of the solubility relationships of bone salts, Taylor and Sheard (13) recommend that the solubility product of podolite, 3Ca3(PO4)2: CaCO3, be used, rather than that of brushite, CaHPO4 2H20, or of tricalcium phosphate. We are not aware of any published studies comparing the relationships of serum calcium and inorganic phosphorus with the solubility product of podolite.…”

Section: Low Serum Phosphorus In Healing Ricketsmentioning

confidence: 99%

The Healing of Rickets Coincident With Low Serum Inorganic Phosphorus

Stearns

Boyd²

1931

J. Clin. Invest.

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Within the past year, roentgenological evidence of healing of rickets coincident with a persistently low level of serum inorganic phosphorus has been observed in 2 children. These findings are of importance in relation to the theories of bone formation.The subjects of the study were 2 girls of 12 and 13 years of age, respectively, both of whom showed roentgenological, clinical and chemical evidence of active rickets. The serum calcium values of both children were within normal limits, the serum inorganic phosphorus markedly depressed. The children were given dietary treatment and kept under observation for a period of several months. During this time roentgenological evidence of marked healing of the bone was observed, but the serum inorganic phosphorus of each child remained essentially at the same low level. METHODSBlood was drawn before breakfast and the serum separated from the clot as rapidly as possible. Calcium was determined by the method of Kramer and Tisdall (1), allowing the serum to stand 24 hours after the addition of the oxalate. The method of Fiske and Subbarow (2) was used for inorganic phosphorus: protein was determined by microKjeldahl (3). All possible precautions were taken in order to insure accuracy in the determinations. RESULTS AND DISCUSSIONBlood and metabolic studies of the 2 children were made at intervals during a period of several months. The values obtained for serum 591

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“…Taylor and Sheard (39) found that the indices of refraction of three samples of salivary calculus (1.564, 1 . 563^I .…”

Section: Prevention Of Calculus Formationmentioning

confidence: 99%

“…Ashing of samples of calculus 37 Preparation for analyses 37 Demineralizations 37 Extraction with boiling water 37 Extraction with alcohol and ether 37 Ashing of residues 38 Nitrogen analyses 38 Qualitative examinations 39 II 39 Examination by infrared spectroscopy 39 Examination of structure and Salivary calculus is a factor in peridontal diseases which affect the great majority of the adult population of the world. The majority of tooth losses in adults is caused by advanced periodontal disease (l).…”

mentioning

confidence: 99%

Studies of dental calculus:

Stanford¹,

Paffenbarger²

1961

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Microscopic and X-Ray Investigations on Calcification of Tissue

Cited by 12 publications

References 0 publications

Calcium orthophosphates (CaPO 4 ): Occurrence and properties

Calcium orthophosphates (CaPO 4 ): Occurrence and properties

The Healing of Rickets Coincident With Low Serum Inorganic Phosphorus

Studies of dental calculus:

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