American practice of surgery : a complete system of the science and art of surgery . clearly epithelialwhile others are connective-tissue tumors, it seems best, when the etiology isconsidered, to follow the classification suggested by Bland-Sutton* and groupall of these growths under the common heading of odontoma or tooth tumors. For a proper understanding of these tumors it is necessary to have a clearidea of the formation of the teeth as it normally occurs. At about the sixthweek of embryonic life a thickened band of ectodermal tissue is seen under theprimitive oral epithelium, in the posit
American practice of surgery : a complete system of the science and art of surgery . clearly epithelialwhile others are connective-tissue tumors, it seems best, when the etiology isconsidered, to follow the classification suggested by Bland-Sutton* and groupall of these growths under the common heading of odontoma or tooth tumors. For a proper understanding of these tumors it is necessary to have a clearidea of the formation of the teeth as it normally occurs. At about the sixthweek of embryonic life a thickened band of ectodermal tissue is seen under theprimitive oral epithelium, in the position of the gums, extending backward inan unbroken line toward the mandibular articulation. Over this a groove—known as the dental groove—is soon seen growing into the mesodermic tissue. This dental groove constitutes a common epithelial invagination, the furtherdevelopment of the individual teeth being marked by local thickenings—thefirst indications of the enamel organs of the temporary teeth, organs which are * Tumors, Innocent and Malign. 472 AMERICAN PRACTICE OF SURGERY. Fig. 207. Section of the RudimentaryEnamel Organ, only separated from thebuccal epithelium by the dental ridge.(Magnified 1 lit diameters.
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Keywords: ., bookauthorbuckalbe, bookcentury1900, bookdecade1900, bookyear1906
