A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . Side view o( a prognathous negro skull with eighteenteeth in the upper jaw. Fig. 23 is from the skull of another negro who died while in the PhiladelphiaHospital. The prognathism is not so marked as in the one belonging to the FanTribe West African. The mental foramen in this case is situated on a line betweenthe second bicuspid and the first molar. In the upper jaw there are eighteenteeth, the two most distal being rudimentary fourth molars. Barring these fourthmolars, all the


A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . Side view o( a prognathous negro skull with eighteenteeth in the upper jaw. Fig. 23 is from the skull of another negro who died while in the PhiladelphiaHospital. The prognathism is not so marked as in the one belonging to the FanTribe West African. The mental foramen in this case is situated on a line betweenthe second bicuspid and the first molar. In the upper jaw there are eighteenteeth, the two most distal being rudimentary fourth molars. Barring these fourthmolars, all the other teeth are in good occlusion. If this condition of the teethwere exhibited in the white race, which would give the appearance of that shownin the next figure, it would be good surgery to remove the upper and lower bicuspidsor the upper and lower first molars on each side. Prognathous Appearance Caused by Hypertrophied GumsAND Alveolar Processes Not having an anatomical specimen showing this kind of prognathism,your essayist has taken the liberty to show Fig. 24, which was made frora the Fh,. Fi-iviii pltoLot^jraph ut a lad suffering from ot thegums and alveolar process. CHAPTER X. TYPICAL AND ATYPICAL OCCLUSION OF THE TEETH 77 photograph of a boy about fifteen years old. When this picture was shown toone of our leading orthodontists, he declared it was that of a degenerate. Theboy had a most marked hypertrophied condition of the gums and alveolar processof both jaws, which protruded forward. It was thought advisable to removethe alveolar process along with the teeth and gums, which gave him the appear-ance shown in the next picture. Fig. Fig. 26.


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