Research Article
Clinical and Radiographic Assessment of Secondary Bone Graft Outcomes in Cleft Lip and Palate Patients
Figure 1
Periapical radiographic images of autogenous bone grafts according to the Bergland classification. (a) Type I: 0 to 25% of bone resorption. (b) Type II: 25 to 50% of bone resorption. (c) Type III: 50 to 75% of bone resorption. (d) Type IV: 75 to 100% of bone resorption with no continuous bony bridge through the cleft.
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