File:The Dental cosmos (1914) (14581345318).jpg

Identifier: dentalcosmos5619whit (find matches)
Title: The Dental cosmos
Year: 1914 (1910s)
Authors: White, J. D McQuillen, J. H. (John Hugh), 1826-1879 Ziegler, George Jacob, 1821-1895 White, James William, 1826-1891 Kirk, Edward C. (Edward Cameron), 1856-1933 Anthony, L. Pierce (Lovick Pierce), b. 1877
Subjects: Dentistry Dentistry
Publisher: Philadelphia, S. S. White Dental Manufacturing Co
Contributing Library: Yale University, Cushing/Whitney Medical Library
Digitizing Sponsor: The College of Physicians of Philadelphia and the National Endowment for the Humanities

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lie just before fested in addition to the relief of freernasal respiration and better nasal acces-sory sinus drainage, an influence uponnerve tension that tends to bringabout a general improvement in ner-vous conditions. This is many timesan active factor in helping to over-come a tendency to habits such as wink- BROWX. UPPER MAXILLARY COXTRACTIOX AND EXPANSION. 145 ing of the eyelids or similar involuntaryacts that simulate the beginning of spas-modic affections. An almost innumer-able list of other evidences of unstablenervous tendencies could be described ifnecessary. Notable examples of theseare referred to in connection with theillustrations. The dulness and apathy improved respiration, unaided by anyother factor, may be responsible for, itis difficult to say, but it is reasonable toassume that the vital and final influencelies much deeper. In a prophylacticsense there is almost unlimited oppor-tunity for expansion in the region ofthe jaws and face to give greater devel- Fig. 9.
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Skiagram of the head of a boy with markedly deficient mentality. The use of numbers seemsto be beyond his control. The irresponsible, more or less uncontrollable disposition whichis peculiar to cases of this kind has made it difficult to determine results accurately, butthere seems to have been a definite measure of benefit from spreading his upper archthat it was admitted no other agency could accomplish. which are not only pathognomonic ofmouth-breathers, but of serious nervousstates as well, seem to disappear. Thesepatients do better in their school or col-lege work after this treatment than be-fore. Increased growth or weight indi-cates that the centers governing trophicchanges have been stimulated. Howmuch of all this progressive effect the opmental freedom at the base of theskull in young children, thereby favor-ing more perfect conditions pertainingto the large foramina, through whichthe cranial nerves and accompanyingvessels must emerge, and compression ofwhich under disturbed

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