. Dr. Evans' How to keep well; . nd firmly in their sockets than useless does not long tolerate teeth or anything else that does not do proper bite, then, has health relations as well as dental relations. The teeth are not dead structures. They are always undergoing horse trader judges of the age of a horse by the shape of the grinding sur-face of its teeth and the shape and size of a certain dark area on that grindingsurface. A horse is constantly grinding off the surface of its teeth. It grinds 738 THE TEETH 739 through the enamel into the dentine, whereupon the


. Dr. Evans' How to keep well; . nd firmly in their sockets than useless does not long tolerate teeth or anything else that does not do proper bite, then, has health relations as well as dental relations. The teeth are not dead structures. They are always undergoing horse trader judges of the age of a horse by the shape of the grinding sur-face of its teeth and the shape and size of a certain dark area on that grindingsurface. A horse is constantly grinding off the surface of its teeth. It grinds 738 THE TEETH 739 through the enamel into the dentine, whereupon the dentine gets enamel-likein its hardness and denseness. It grinds down to the pulp chamber, where-upon the pulp chamber fills up with dentine and gets,as hard and dense asenamel. The small, dark area by which the dealer judges age is the former pulpchamber. In the pulp chamber are contained the arteries, veins, nerves andlymph vessels of the tooth. Bacteria have been known to travel from thepulp down into the neighboring


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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthygiene, booksubjectm