Concise dental anatomy and morphology 4th Edition Ebook PDF download
Concise dental anatomy and morphology 4th Edition Ebook PDF download The teeth are arranged in upper and lower arches. Those teeth in the upper arch
are termed maxillaru, because they are set in the upper jaw, which is the maxilla
(Plural – maxillae). The teeth in the lower arch are termed mandibular, because they are located in the lower jaw, which is the mandible. The mandible is themovable member of the two jaws, while the maxilla is stationary.
B. The imaginary vertical line which divides each arch, as well as the body, into two approximately equal halves, is the midline. Strictly speaking, this vertical division is not a one-dimensional line at all, but rather a two-dimensional plane, termed the mid-sagittal lane. However, since most dental authors persist in using the less appropriate term “midline”, for consistency this text will also use it. The two approximately equal portions of each arch divided by the midline are termed grants, since there are four in the entire mouth. They are termed:
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