A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . the produc-tion of a sulci into which food is crowded into invertedV interproximate spaces. This is exceedingly annoying,and often results in injury to the teeth and surroiindingmembranes. This is true, moreover, with any mechanicalmovement that is not especially con-structed to apply the proper forces fora bodily movement. When the above mentioned broken-down condition of the first molars arisesin a case of bimaxillary protrusion, theyare the teeth to be extracted instead ofthe
A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . the produc-tion of a sulci into which food is crowded into invertedV interproximate spaces. This is exceedingly annoying,and often results in injury to the teeth and surroiindingmembranes. This is true, moreover, with any mechanicalmovement that is not especially con-structed to apply the proper forces fora bodily movement. When the above mentioned broken-down condition of the first molars arisesin a case of bimaxillary protrusion, theyare the teeth to be extracted instead ofthe first premolars, which otherwise isthe rule. Fig. 267 illustrates a case of ayoung man seventeen years of age. Thiscase is fully described under BimaxillaryProtrusions in Class I, and illustrated byFigs. 166 and 167. Fig. 268 shows the buccal applianceswhich were employed in this case for bodily closing thespaces between the second molars and second student is referred to the more modem methods in root-wise attachmentsfor the bodily closing of buccal spaces in Chapter XV on Stationary
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