. The Dental cosmos. -0. S. Monson. ous molars show signs of absorption, thecrowns of the permanent teeth inclosedwithin the roots of these molars, as wellas the surrounding osseous tissues, willbe moved into a larger arc. forming anew and wider base for further develop-ment. This period of development willconform most nearly to the natural physi-ological changes in the tissues operatedon, the change in these structures being are not fully ossified until near adultlife, but are filled with a fibro-membra-nous connective tissue, which allows ofextreme mobility of the facial bonesunited by these


. The Dental cosmos. -0. S. Monson. ous molars show signs of absorption, thecrowns of the permanent teeth inclosedwithin the roots of these molars, as wellas the surrounding osseous tissues, willbe moved into a larger arc. forming anew and wider base for further develop-ment. This period of development willconform most nearly to the natural physi-ological changes in the tissues operatedon, the change in these structures being are not fully ossified until near adultlife, but are filled with a fibro-membra-nous connective tissue, which allows ofextreme mobility of the facial bonesunited by these sutures, so that the forceexerted by expansion of the dental archeseasily influences the growth of thesebones. Fig. 8 shows the membranous su-tures in the facial bones of a child ofabout five years of age. These sutures of 520 THE DENTAL COSMOS. the facial bones are those joining themaxillary bones with each other and withthe malar, nasal, frontal, vomer, andlacrymal bones. A view of the underside of this same skull


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentist, bookyear1912