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Reduction in alveolar ridge characterizes alveolar...

Figure 38. Reduction in dimension This reduction occurs in both the horizontal and the vertical dimension, and as a result the arch is shortened. The amount of tissue atrophy following the loss of a single tooth can be substantial and is variable between different teeth and areas of the alveolar process.

Ridge alterations following tooth extraction

Figure 37. Alveolar atrophy Following multiple- or single-tooth extraction and the subsequent loss of masticatory function, the alveolar ridge will present a series of adaptive alterations known as alveolar atrophy. The alveolar atrophy is characterized by a reduction in the dimensions of the alveolar ridge that is a combination of hard and soft tissue changes.