1^2'2 



SUBJECT INDEX 



Chemical factors 



bone resorption, 609 



dissolution of calcified tissues, 376 

 Chemical inhibitors, resorption, 615 

 Chemical kinetics, 251 

 Chemical level, bone resorption, 573 

 Chemical mechanism 



bone resorption, 558 



shell destruction, 55 

 Chemical nature of bone mineral, 380 

 Chemical phase transformation, 257 

 Chemical repair, enamel, 145 

 Chemical softening 



Lithophaga, 21 



rock boring, 18, 20, 22 

 Chemical systems 



carious lesion formation, 220 



incipient carious lesions, 257 

 Chemistry of bone resorption, 557, 



558' 

 Chemistry of caries, 213 



sinnmary, 207 

 Chemistry of pus, 647 

 Chemomechanical means, perforation 



of shells, 56 

 Chemotherapeutic agents, anticaries 



therapy, 278 

 Chewing habits, 93 

 Chicks 



parathyroid extract, 582 



vitamin D, 536 

 Chital, antlers, 347, 350 

 Chitinous covering, barnacles, 6 

 Chondrocytes, glycogen depletion, 489 

 Chondrocytic glycogen, 487 

 Chondrophore, 9 

 Chorionic gonadotropin, 359 

 Chronic gingivitis, bone resorption, 



300 " 

 Chronic staiie, dental erosion, 108 

 Chymotrypsin, collagen digestion, 685 

 Ciliary currents, bivalves, 8, 20 

 Circulatory disturbances 



alveolar bone, 298, 300, 310 



bone marrow, 300 



fibrosis, 301 



periodontium, 298 



tooth resorptions, 315 



Circulatory insufficiency, devitalized 



bone, 395 

 Cirratulidae, 4 

 Cirripedes, 6 

 Citelhis undiilatus, 286 

 Citrate, 99 



see also Citric acid 



bone cultures, 621 



bone resorption, 640 



calcium binding, 578 



chelator, 656 



dental erosion, 114 



dental plaque, 656 



dissolution of sheep's teeth, 167 



parathyroid hormone, 578 



parathyroid treatment, 641 



unique position, 640 



variable fraction, 644 

 Citrate concentration 



fluoroacetate, 594 



fumarate, 595 

 Citrate content, saliva, 114 

 Citrate hypothesis, bone resorption, 579 

 Citrate versus lactate 



bone resorption, 640 



bone solubility, 642 



resorbing calvaria, 623 

 Citrate level, adrenalectomy, 429 

 Citrate metabolism, parathyroid hor- 

 mone, 640 

 Citrate oxidation, ia rat bone, 566 

 Citrate synthesis, vitamin D, 640 

 Citrate theory, hard tissue destruction, 



460 

 Citric acid 



see also Citrate 



bone cells, 559 



effect on sheep's teeth, 167 



yttrium, 451 

 Citric acid increase, bone resorption, 



617 

 Citrogenase, parathyroid action, 586 

 Clay, boring in, 10 

 Cleftlike spaces, osteoclasts, 499 

 Cliona, 5, 29, 30 



celata, 26, 27,28,29, 31 



lampa, 26, 27 



larva, 26, 27 



