The etiology of osseous deformities of the head, face, jaws and teeth . Fig. 172. THE HEAD, FACE, JAWS AND TEETH 429 long diameter of the dental arch. The anterior movementof the posterior base forced the tooth outward. The tendencyof this irregularity was to form the V-shaped variety. Theirregularity of the left lateral arch (Fig. 173) is a common Fig. 173.

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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjecthead, bookyear1894