Oral pathology and practice : a text-book for the use of students in dental colleges and a hand-book for dental practitioners / by W.C. Barrett.

Barrett, W. C. (William Cary), 1834-1903.

Date:: 1901

Credit: Oral pathology and practice : a text-book for the use of students in dental colleges and a hand-book for dental practitioners / by W.C. Barrett. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

251/346 (page 231)

$a falling of the hair, with the appearance of atrophied spots, and in some cases furrows in the nails, bearing some analogy to those in the teeth. It would not, however, be anticipated that they would present precisely the same phenomena with those which are Fig. 70. Furrowed Enamkl, with Malformations OF THK Crown of thk Tooth. (Tomes.) Fig Entiri-; .\bsk.nce of the Enamkl fru.m iHAT Part of the Crown that is First Formed. That Later Developed is Perfect. Furrowed Enamel, consisting of Alternate Grooves and Ridges of More Perfect Tissue. (Tomes.) Fig. ^2. Fig. -ji. IiMPERFFCT ESAMI r , SHOWING I WO DiS tinct Series of Pits, with Perfect Enamel between them. (From American S>'Stem of Dentistry.) Irregular Pits upon the Crowns of- Teeth Ascribed to Eruptive or Exanthe.matous Diseases. congenital in their origin, and so the marks upon enamel pro- duced by the eruptive disorders through which the child may have passed during the period of calcification present indications of the interruption of nutrition, rather than entire absence of$