SUBJECT INDEX 



751 



Plants 



acids in, 167 



demineialization action, 55 



proteinases, 168 

 Plaque, 264 



calcium turnover, 376 



cariogenic streptococci, 270 



chelators, 648, 654 



enamel, 217 

 Plaque system, 217 

 Plasma 



calcium turnover, 376 



EDTA-bound calcium, 533 



phosphorus, 533 

 Platyodon canccllatus, 9 

 PociUopora, 5 

 Polarized light 



bone resorption, 481 



caries, 178, 225 



enamel caries, 176 



incipient lesions, 218 

 Poliniccs duplicatiis, 59, 61, 67, 77, 86 

 Polychaetes, 1, 6, 55 



bristles, 56 

 Polijdora, 4, 6 



Polyestrous female deer, 348 

 Polymeric ingredient, decalcification 



medium, 223 

 Polymers, organic, see Organic poly- 

 mers 

 Polvphosphates, 639 

 Polyps, coral, 26, 27, 42 

 Polysaccharide storage 



caries flora, 277 



protective mechanism, 277 

 Polvsaccharides 



calf bone, 440 



osteoporosis treatment, 408 

 Polyvinyl sponge implants, giant cells, 



523 

 Porifera, 29 

 Porites, 42 



osfreoides, 44 

 Porosity 



aging bone, 455, 467 



osteons, 455 

 Postlarval sponges, mechanical abra- 

 sion, 34 



Postmenopausal osteoporosis, 386, 428 

 Postmortem canals in teeth, 123 



dentin, 125 



external, 126 



internal, 127 



Wedl's, 128 

 Postmortem destruction of teeth, 148 



demineralization gradients, 146 

 Postmortem erosion, 120 



distribution, 126 



gross examination, 121 



microscopic examination, 124 



origin, 127 

 Postmortem saprophytes, 145 

 Prebone, 538 



Precursors of osteoclasts, 527 

 Predentin resorption, 528 

 Predentin zone, 124 

 Preferential bone resorption 



critical conditions, 491 



normal bone, 479 



organic matrix, 484 



parathyroid action, 484 

 Preferential collagen removal, insolu- 

 ble fraction, 687 

 Preformed structural patterns, dental 



hard tissues, 98 

 Pregnancy 



antler shedding, 354 



osteolysis, 552 

 Prehistoric teeth, see Exhumed teeth 

 Premaxilla, 329 

 Preosseous mesench\'mal cells, cal- 



varia, 590, 591 

 Preosseous tissue, 377 

 Presarcomatous bone, 462 

 Pressure zones, pericementum, 307 

 Pressure resorption, 490 



orthodontic appliances, 335 

 Primary action, paratlnroid hormone, 



605 

 Primary cementiun, 96 

 Primary change in resorption, demin- 

 eralization, 505 

 Prism cores, enamel caries, 173 

 Prism cortex, enamel caries, 183 

 Proboscis, snail 



buccal muscles, 59 



