A system of surgery . ssified. The cavities containmucoid fluid of a brownish colour (Fig. 103). Histologically, an epithelial odontome consists of branching andanastomosing columns of epithelium, portions of which form cells occupying the alveoli vary. Thus the outer layer may becolumnar, whilst the central cells degenerate, and give rise to tissueresembling the stratum intermedium of an enamel organ (Fig. 104).2. Follicular odontomes.—This species includes those tumourscommonly called dentigerous cysts, a term which is so often con-founded with tooth-containing dermoids that it i
A system of surgery . ssified. The cavities containmucoid fluid of a brownish colour (Fig. 103). Histologically, an epithelial odontome consists of branching andanastomosing columns of epithelium, portions of which form cells occupying the alveoli vary. Thus the outer layer may becolumnar, whilst the central cells degenerate, and give rise to tissueresembling the stratum intermedium of an enamel organ (Fig. 104).2. Follicular odontomes.—This species includes those tumourscommonly called dentigerous cysts, a term which is so often con-founded with tooth-containing dermoids that it is advisable to dis-card it. Follicular odontomes are usually, but by no means invariably,associated with the permanent teeth, especially the molars, andsometimes attain very large proportions and produce great they are multiple, especially when connected with themaxillary teeth. The tumour consists of a wall of varying it may be thin and crepitant, or measure 2 cm. in Fig. 103.—Epithelial Odontome. (After Pepper.) a, Divided bone ; b, teeth ; c, cysts containing a glairy fluid; d, lobulesof the growth. OBONTOMATA. 457
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