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Updated: May 22, 2025
The principal significance lies in the tooth and the cranium. The former is like that of the chimpanzee in shape, but less rugose on its grinding surface. It seems to lie between the ape and the human type of dentition. The cranium has a low, depressed arch, with a very narrow frontal region and highly developed superciliary ridges.
When little Danny's arms were thrown around her neck, and he called her his dear sweet, pink lady, her pseudo-intellectuality broke down before a power which had lain dormant. She had always talked a great deal of the joys of motherhood, and the rapturous delights of mother-love. Not many of the mothers knew as much of the proper care of an infant during the period of dentition as she.
Bassett tells of an old woman who had twelve molar teeth at the age of eighty-eight. In France there is recorded dentition at eighty-five and an account of an old man of seventy-three who had six new teeth. Von Helmont relates an instance of triple dentition at the same age.
The teeth are a fruitful source of suffering and of disease; and are, with truth, styled "our first and our last plagues." Dentition is the most important period of a child's life, and is the exciting cause of many infantile diseases; during this period, therefore, he requires constant and careful watching.
There is recorded in Germany an account of a woman of ninety who had dentition at forty-seven and sixty-seven, each time a new set of teeth appearing; Hunter and Petrequin have observed similar cases. Carter describes an example of third dentition. Lison makes a curious observation of a sixth dentition. Edentulousness.
That is to say, if any such mammal at present existing has specially modified and reduced limbs or dentition and complicated brain, its predecessors in time show less and less modification and reduction in limbs and teeth and a less highly developed brain.
As the subject is so important, let me recapitulate: the gums ought, from time to time, to be well lanced, in order to remove the irritation of painful dentition painful dentition being the real cause of the disease. Cold sponging should be used twice or thrice daily.
In that singular animal the spinal column had most of its joints fused together, forming a rigid cylindrical rod, a modification, as far as yet known, absolutely peculiar to it. In a similar way the extinct machairodus, or sabre-toothed tiger, is characterized by a more highly differentiated and specially carnivorous dentition than is shown by any predacious beast of the present day.
I should be fearful of it even in an early stage, because I well know that the acute form of that general mucous inflammation soon passes over, and is succeeded by a debility, from the depression of which I cannot always rouse my patient. When the fits proceed from dentition, I lance the jaws, and give an emetic, and follow it up with cooling purgative medicine.
In some cases even the dentition has been found accurately portrayed, as in a sixth-century representation on an Ionian vase of a lioness an animal then very rare on the Eastern Mediterranean littoral, but still known in Babylonia, Syria, and Asia Minor. The animal is drawing itself up to attack its hunters.
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