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5 A. Extra-long transnasal implant inserted (HelixGM® Long Implants Neodent®). 5B Bone graft performed with 80% Hydroxyapatite and 20% Tricalcium Betaphosphate Small (Blue Bone Regener®). (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)
