A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . adenoids andcontinued through the period in which these abnor-mal growths exert their peculiar local and systemicaction. As the kind of open-bite malocclusion which arises from this cause is almostinvariably associated with prognathism of the mandible, it has been deemedadvisable, for teaching purposes, to describe this malformation in detail as one ofthe important characteristics of this Division. The practical treatment of otherforms of open-bite malocclusion is fully describe


A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . adenoids andcontinued through the period in which these abnor-mal growths exert their peculiar local and systemicaction. As the kind of open-bite malocclusion which arises from this cause is almostinvariably associated with prognathism of the mandible, it has been deemedadvisable, for teaching purposes, to describe this malformation in detail as one ofthe important characteristics of this Division. The practical treatment of otherforms of open-bite malocclusion is fully described under Type G, Division 1,Class I. In papers read before the Odontological Society of Chicago, in 1894, the Ameri-can Institute of Dental Pedagogics in 1905, and the National Dental Associationin 1917, the author expressed in substance the following summary in regard to themodus operandi of this cause: The production of open-bite malocclusion fromearly mouth-breathing is due to long continued mechanical forces of the ligamentsand muscles, mostly during sleep, applied to the developing mandible of childhood 317. 318 PART VI. DEN TO-FACIAL MALOCCLUSIONS Fig. 225.


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