. Oral pathology and practice. A text-book for the use of students in dental colleges and a hand-book for dental practitioners. Irregular Pits upon the Crowns of Teeth Ascribed to Eruptive or Exanthematous Diseases. congenital in their origin, and so the marks upon enamel pro-duced by the eruptive disorders through which the child mayhave passed during the period of calcification present indicationsof the interruption of nutrition, rather than entire absence of 232 ORAL PATHOLOGY AND PRACTICE. any formative enamel organ. They are confined to the enamelitself, and not at all, or but in a slight
. Oral pathology and practice. A text-book for the use of students in dental colleges and a hand-book for dental practitioners. Irregular Pits upon the Crowns of Teeth Ascribed to Eruptive or Exanthematous Diseases. congenital in their origin, and so the marks upon enamel pro-duced by the eruptive disorders through which the child mayhave passed during the period of calcification present indicationsof the interruption of nutrition, rather than entire absence of 232 ORAL PATHOLOGY AND PRACTICE. any formative enamel organ. They are confined to the enamelitself, and not at all, or but in a slight degree, affect the dentinebeneath. They may exist as a kind of single pitted furrow acrossthe face of the tooth, or there may be more than one such, show-ing successive attacks. (See Fig. 72.) Not infrequently theymay appear as shallow, isolated indentations in the enamel, giv-ing it a rough, uneven appearance, and they bear some analogyto the cutaneous pits produced by smallpox. (See Fig. 73.) Fig. Casts of the Edentulous Jaws of a Man of Forty-five Years who Never hadeither .Deciduous or Permanent Teeth. In Addition He was Without Hairon Either Head or Body, was Lacking in the Senses of Taste and Smell, andwas Without Any Perspiratory System. As the degenerations considered in this chapter are eitherpre-natal in their origin, or are dependent upon general consti-tutional conditions which produce their characteristic effects be-fore the teeth are erupted, and hence in neither case can bediagnosed or anticipated until they shall have made their appear-ance, when it is too late for the adoption of any prophylacticmeasures, no course of treatment, aside from mechanical meas-ures, can be recommended. When the crowns are entirelyabsent, artificial ones may be engrafted, and when there areimperfections of enamel the roughness may, to a certain extent,be removed by the file or a corundum stone, and afterward care-fully polished, or the pits may be filled by the use of gold orpo
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