General and dental pathology with special reference to etiology and pathologic anatomy; a treatise for students and practitioners . Fig. 130.—Hypoplasia of the enamel in Fig. 131.—Hypoplasia in the crown of a an upper right lateral incisor. lower molar. The enamel is studded everywhere with soft chalky spots (chalky-enamel).. Fig. 132.—Hypoplasiaof the crown of an uppermolar. The enamel, as inthe previous picture, con-tains a large number ofchalkv areas. Fig. 133.—Hypoplasia of the enamel in upper rcclars. Theextent of the faulty development is shown externally by anextreme irregularity of sur
General and dental pathology with special reference to etiology and pathologic anatomy; a treatise for students and practitioners . Fig. 130.—Hypoplasia of the enamel in Fig. 131.—Hypoplasia in the crown of a an upper right lateral incisor. lower molar. The enamel is studded everywhere with soft chalky spots (chalky-enamel).. Fig. 132.—Hypoplasiaof the crown of an uppermolar. The enamel, as inthe previous picture, con-tains a large number ofchalkv areas. Fig. 133.—Hypoplasia of the enamel in upper rcclars. Theextent of the faulty development is shown externally by anextreme irregularity of surface upon the occlusal and approx-imal aspects of the teeth. deposited in segments represented by the bands of Ketzius. itstands to reason that any disturbance which will affect the proc-ess of enamel formation will be represented by variations from 262 DENTAL PATHOLOGY the normal throughout the segment of enamel in the course ofdeposition. Inasmuch as insufficient or imperfect enamel forma-tion is the result of a temporary arrest of activity throughoutthe extent of the ameloblastic layer, it consequently follows thatall enamel that would have been formed, in the absence of disturb-
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectpathology, bookyear19
