Moses Ofer, Nemcovsky Carlos E, Langer Yair, Tal Haim
Department of Periodontology, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel.
Int J Oral Maxillofac Implants. 2007 Nov-Dec;22(6):1017-21.
Severe bone atrophy in the mandible may result in weakening of the jaw, unstable dentures, and dysfunction of the inferior alveolar nerve. These conditions were diagnosed in a 65-year-old woman who presented with a severely resorbed mandible. The interforaminal region of the mandible was augmented with an onlay graft harvested from the iliac crest. Four dental implants stabilized the graft by anchoring it inferiorly to the residual mandibular basal bone. Implants later served as abutments for a fixed 12-unit implant-supported prosthesis. The patient was followed for 17 years, during which the mandibular prosthesis was replaced twice. Despite the initial questionable prognosis, oral rehabilitation was successful, with no detectable clinical signs of bone loss over the 17-year follow-up period.
下颌骨严重骨萎缩可能导致颌骨变弱、义齿不稳定以及下牙槽神经功能障碍。这些情况在一名65岁女性患者中被诊断出来，该患者下颌骨严重吸收。下颌骨孔间区域采用取自髂嵴的嵌体移植进行增容。四枚牙种植体通过将移植骨向下固定于剩余下颌骨基骨来稳定移植骨。种植体随后作为固定的12单位种植体支持式修复体的基台。对患者进行了17年的随访，在此期间下颌修复体更换了两次。尽管最初预后存疑，但口腔修复成功，在17年的随访期内未发现明显的骨丢失临床迹象。
