SUBJECT INDEX 



737 



Hvperparathvroidism, 95, 97, 425, 

 426, 427 



inicroradiographv, 462 



periodontal disorders, 312 

 Hyperplastic gingivitis, tooth resorp- 

 tions, 312 

 Hyperproteinemia, 429 

 Hypertonic sugar solutions, 277 

 Hypertrophic lacunae, 522 

 Hypertrophic osteocyte, 538, 539 



salt removal, 552 

 Hypervitaminosis A, bone resorption, 



626 

 Hypocalcemia, 533 

 Hyponatremia, 429 

 Hypoosteoclasis, 332 

 Hypoparathyroidism, 330 

 Hypophosphatasia, 385 

 Hypophysectomy, antler growth, 362 

 Hypothesis 



biological decalcification, 637 



bone solubility, 641 



collagen fractionation, 668 



enamel remineralization, 143 



vitamin D action, 644 

 Hypothyroidism, antler growth, 361 

 Hypsodont (sheep's) tooth, 155 



la bone, rat, citrate oxidation, 566 

 la mutation, albino rat, 328 

 la rat 



bone metabolism, 566 



bone tissue, 328 



incisors, 329 



odontoma, 329 

 Iceland, ancient teeth, 120, 127 

 Iceland spar, 35 

 Idiopathic dental erosion, 91, 147 



see also Dental erosion 

 Idiopathic osteoporosis, 424, 427 

 Iliac crest, biopsy, 461 

 Immature bone, 536 

 Immobilization, bone formation, 460 

 Implant 



autogenous bone, 515, 516 



destruction of, 527 



fibrous capsule, 518 



phagocytic cells, 516 



rachitic bone, 526 



osteoclasts, 515 



tropism, 528 

 Improved pastures. New Zealand, 165 

 7;i vitro caries, 213, 217 



electron microscopy, 229 



histochemistry, 233 

 In vitro demineralization, 131 

 In vitro erosion, organic acids, 166 

 In vitro metabolic studies, bone, 557, 



578 

 In vitro model, bone metabolism, 563 



three-phase system, 567, 570 

 In vitro studies, resorptive mecha- 

 nisms, 557 

 In vivo demineralization, enamel, 134 

 In vivo etching, enamel, 137 

 Inactive osteons, 396 

 Incipient carious lesion 



birefringence, 215 



chemical system, 257 



electron micrography, 231 



formation, 215 



microradiography, 226, 227 



morphology, 215 



polarized light, 218 



rate of formation, 253 

 Incipient enamel caries 



demineralized subsurface zone, 133 



white spot, 213 

 Incisors 



rhesus monkey, 134 



sheep, 155, 158 

 Incremental striae, 98 



enamel caries, 173 

 Incubated hard tissues, chelating ac- 

 tion, 649 

 Incurrent papilla, sponge, 31 

 Incurrent pores, sponge, 30 

 Index 



collagenase activity, 685 



protease activity, 685 

 India, deer, 347 

 Individual bone cells, microenviron- 



ment, 491 

 Indo-Pacific coral boulders, 16 

 Indo-Pacific coral reefs, 6, 14 



