Dental review; devoted to the advancement of dentistry. . andmore or less bunching of same, Cases I, III, IV and V, associatedwith normal nasal and lip functions, Cases I, Fig. 4; III, Fig. 3;IV, Fig. 4; V, Fig. 3. The occlusal plane, or, more properly speaking, the occlusalcurve, is also abnormal. Invariably the incisive edge of the lowerincisors impinge upon the linguo-gingival incline of the uppers, orupon the mucous membrane of the roof of the mouth. The correction of these accompanying malocclusions necessitatesan operation prior to that of jumping the bite. Subsequent to thepreliminary o
Dental review; devoted to the advancement of dentistry. . andmore or less bunching of same, Cases I, III, IV and V, associatedwith normal nasal and lip functions, Cases I, Fig. 4; III, Fig. 3;IV, Fig. 4; V, Fig. 3. The occlusal plane, or, more properly speaking, the occlusalcurve, is also abnormal. Invariably the incisive edge of the lowerincisors impinge upon the linguo-gingival incline of the uppers, orupon the mucous membrane of the roof of the mouth. The correction of these accompanying malocclusions necessitatesan operation prior to that of jumping the bite. Subsequent to thepreliminary operation of establishing normal arches which will lateradmit of normal occlusion when the lower jaw is closed forward, 844 THE DENTAL REVIEW. Case VIII, Fig. 2, it is my plan to correct the plane of occlusion byinserting a vulcanite bite-plate, Fig. I.* This plate is provided with a labial bow which serves as a retainerfor the upper arch, and is thickened in front to receive the impactof the inferior incisors and to relieve the back teeth from forcible. Fig. 3. occlusion. It operates by depressing the inferior incisors in theiralveoli and permitting the bicuspids and molars to elongate, thusestablishing a perfect plane of occlusion. The efficiency of this * This is a modified form of a plate introduced, I believe, by Dr. C. S. Case. Dental Review, 1892. ORIGINAL COMMUNICATIONS. 845 plate can be observed by comparing the occlusal plane of the variouscases represented, before and after treatment. The appliance that has been generally employed in jumping thebite is not unlike the original designed by Dr. Kingsley many yearsago. The operation comprises placing an incline plane upon theupper jaw and within the arch, in such a position that the lower jawantagonizing with it would slide forward to its proper The jump-bite-plate I formerly used was a duplicate of the bite-
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdentist, bookyear1901
