Clinical Study

Long Term Follow-Up in Inferior Alveolar Nerve Transposition: Our Experience

Figure 1

Classification system of six atrophy stages in the mandible according Cawood and Howell (1988). Atrophy stage 1: before extraction, stage 2: after extraction, stage 3: high well-rounded ridge, stage 4: knife-edge shaped ridge, stage 5: low well-rounded ridge, and stage 6: depressed bone level.
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