258 J- A. GRAY AND M. D. FRANCIS 



References 



Bhussiy, B. R. 1958. Chemical and physical studies of enamel from hu- 

 man teeth. II. Specific gravity, nitrogen content, and hardness rating 

 of discolored enamel. III. Specific gravity, nitrogen content, and 

 histologic characteristics of opaque white enamel. /. Dental Research, 

 37, 104.5-1053, 1054-1059. 



Bjerrum, J. 1957. Stability Constants of Metal-Ion Complexes, with Solit- 

 bilitij Products of Inorganic Substances, Part 1, p. 12. The Chemical 

 Society, London. 



Briner, W. W. 1963. Role of metabolic products of Lactobacillus casei 

 in the decalcification of enamel. /. Dental Research, 42, Sept.-Oct. 



Brudevold, F. 1948. A study of the phosphate solubility of the human 

 enamel surface. /. Dental Research, 27, 320-329. 



Burnett, G. W., and Scherp, H. \^^ 1952. The accessibility of the organic 

 dentinal matrix. /. Dental Research, 31, 776-790. 



Coolidge, T. B., Besic, F. C, and Jacobs, M. H. 1955. A microscopic 

 comparison of clinically and artificially produced changes in enamel. 

 Oral Sura., Oral Med. and Oral Pathol, 8, 1204-1210. 



Darling, A. I. 1956. Studies of the early lesion of enamel caries with 

 transmitted light, polarised light, and radiography. Rrit. Dental }., 

 101, 289-297. 



Ericsson, Y. 1949. Enamel apatite solubility. Investigations into the cal- 

 cium phosphate equilibrium between enamel and saliva and its re- 

 lation to dental caries. Acta Odontol. Scand., 8, Suppl. 3, 44, 49, 50. 



Fosdick, L. S., and Starke, A. C, Jr. 1939. Solubility of tooth enamel in 

 saliva at various pH levels. /. Dental Research, 18, 417-430. 



Francis, M. D., and Meckel, A. H. 1963. The in vitro formation and 

 quantitative evaluation of carious lesions. Arch. Oral Biol., 8, 1-12. 



Gore, J. T. 1940. Saliva and enamel decalcification. IV. Factors involved 

 in the prevention of caries. /. Dental Research, 19, 455-471. 



Gray, J. A. 1962. Kinetics of the dissolution of human dental enamel in 

 acid. /. Dental Research, 41, 633-645. 



Gray, J. A., Francis, M. D., and Griebstein, W. J. 1962. Chemistry of 

 enamel dissolution. In Chemistry and Prevention of Dental Caries 

 (R. F. Sognnaes, editor), pp. 164-179. Charles C. Thomas, Spring- 

 field, 111. 



Gray, J. A., and Opdyke, D. L. J. 1962. A device for thin sectioning of hard 

 tissues. /. Dental Research, 41, 172-181. 



Gustafson, G. 1957. The histopathology of caries of human dental enamel. 

 With special reference to the division of the carious lesion into zones. 

 Acta Odontol. Scand., 15, 13-55. 



Hals, E., Morch, T., and Sand, H. F. 1955. EflFect of lactate buffers on 



