Research Article

[Retracted] Observation on the Effect of Bone Grafting Alone and Guided Tissue Regeneration Combined with Bone Grafting to Repair Periodontal Intraosseous Defects

Figure 1

Imaging results of the control group patients during follow-up. (a) Oral picture before operation. (b) Oral picture 6 months after surgery. (c) Oral picture 12 months after surgery. (d) Image picture after surgery. (e) Image picture 6 months after surgery. (f) Image picture 12 months after surgery.
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