Dental surgery for practitioners and students / by Ashley W. Barrett.

  • Barrett, A. W. (Ashley William)
Date:
1885
Catalogue details

Licence: Public Domain Mark

Credit: Dental surgery for practitioners and students / by Ashley W. 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.

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    teeth are here found to be arranged along two more or less straight lines converging towards and meeting at the front of the mouth. Treatment should go in the direction of expanding the arch by regulating plates, and of gaining additional room by a judicious thinning out of bicuspids or first molars. Fig. 15. Model of a V-shaped upper jaw. This was co-existing with a vaulted palate and idiocy of a congenital nature. The V-shaped arch, and the form of irregularity to be next described, are frequently transmitted by inheritance, and it is not unusual to find a like defect among all the children of parents presenting either of these deformities. It cannot be disputed that such errors in maxillary develop- ment are infinitely more frequent among civilized than among savage races, and though the V-shaped arch and a deeply vaulted palate may co-exist with well developed cerebral organs, yet, as Dr. Langdon Down has pointed out, (Transactions of Odontological Society, 1871), it is extremely
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