SUBJECT INDEX 



729 



Electron micrographs — Contin ucd 



erosion, 113, 168 



etched shell region, 75 



incipient carious lesion, 231 



osteoclasts, 528 



shell etching, 75 

 Electron microscope level, enzyme 



cytochemistry, 512 

 Electron microscopy, 65 



bore holes, 60 



etched shell, 71 



in vitro caries, 229 



osteoclasts, 497, 498, 501, 503 



osteoporosis, 424 

 Elk, antlers, 347 

 Embden-Meyerhof-Krebs system 



demineralization, 581 



parathyroid action, 581 

 Embden-Meyerhof pathway, 580 

 Embryonic bone, 498 

 Embryonic fowl, bone electron micro- 

 graphs, 497 

 Enamel, 79, 85, 91, 96, 98, 131 



absence of keratin, 649 



Ca/P ratio, 138 



carbonate, 139, 277 



caries, see Enamel caries 



chemical repair, 145 



cosmetic remodeling, 145 



diffusion pathways, 221, 249 



diffusion of radioactive isotopes, 

 249 



dye-binding capacity, 149 



enzyme attack, 649 



equilibrium solubility, 253 



exchange reactions, 149 



hardness, 138 



in vivo demineralization, 134 



in vivo etching, 137 



intrinsic birefringence, 179 



ionic exchange mechanism, 140 



mechanical remodeling, 145 



mineralization period, 142 



natural surface coatings, 133 



opacity, 131 



organic coating, 222 



organic-inorganic linkage, 140 



organic matter, 97, 116 



pathological demineralization, 143 



permeability, 141 



phosphate deposition, 139, 141 



pohshed surfaces, 62 



radiodensity, 136 



radioisotope gradients, 142 



redeposition of minerals, 149 



reprecipitation, 257 



resorption, 96, 144, 148, 489 



solubility, 138 



solubility rates, 255 



stainability, 137 



white spots, 215 

 Enamel caries 



see also Caries; Carious enamel 



bacterial invasion, 171 



birefringence, 177, 180 



carbonate, 197 



carbonate loss, 184 



dark zone, 172 



differential decalcification, 182 



form birefringence, 178, 181 



incremental striae, 173 



magnesium, 197 



microradiography, 173, 215 



organic content, 188, 231 



organic material loss, 184 



pathways of attack, 184 



patterns of demineralization, 175 



polarized light, 176 



prism cores, 173 



prism cortex, 183 



proteolysis, 171 



radiolucence, 173 



recrystallization, 191 



remineralization, 176 



selective demineralization, 175 



soluble matrix, 184 



submicroscopic spaces, 179 



translucent zone, 172 



summary, 185 



ultrastructure, 190 

 Enamel-cementum junction, 303 

 Enamel crystallites 



perforation, 194, 195 



surface erosion, 191, 194, 195 

 Enamel cuticles, 221 



