. The science and practice of dental surgery. /. Fig. 182.—Open bite with nearly normal arches. (B. E. Lischer : Dental Cosmos.) cause of the open bite seems then to reside in themaxilla rather than the mandible, which may benormal or nearly so, but is usually naiTOw withlingually inclined molars and premolars (see Fig. Fig. 183.—Open bite with imiihv arches. (A. : Dental Cosmos.) to defective nasal expansion. But the narrow-ness is probably associated with increased depth in the molarregion; it shouldbe rememberedthat the uppermolars have nor-maUy a buccalinclination,whereas in thena
. The science and practice of dental surgery. /. Fig. 182.—Open bite with nearly normal arches. (B. E. Lischer : Dental Cosmos.) cause of the open bite seems then to reside in themaxilla rather than the mandible, which may benormal or nearly so, but is usually naiTOw withlingually inclined molars and premolars (see Fig. Fig. 183.—Open bite with imiihv arches. (A. : Dental Cosmos.) to defective nasal expansion. But the narrow-ness is probably associated with increased depth in the molarregion; it shouldbe rememberedthat the uppermolars have nor-maUy a buccalinclination,whereas in thenarrowed arch theaxes of the molarsof the two sidesapproach parallel-ism. The effect ofthis must be in-creased depth,which nuist havethe same result inproducing lack ofocclusion of theanterior teeth asshortness of theascending ramusof the mandible. Defective de-velopment aroundthe upper incisorteeth is very fre-(juently associ-ated with thesecases, probablymore often than in the cases where the mandibleis chiefly at fault. The cause may be fo
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentistry, bookyear19
