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. 2020 Nov 6;65(1):135–165. doi: 10.1016/j.cden.2020.09.011

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Fig. 3 — Classification according to implant placement and healing protocol.

(From Gallucci GO, Hamilton A, Zhou W, et al. Implant placement and loading protocols in partially edentulous patients: A systemic review. Clin Oral Implants Res. 2018;29(Suppl 16):126; with permission.)