Abstract：
Stafne bone defect (SBD) is a rare developmental bone defect characterized by an asymptomatic focal concavity of the cortical bone, typically on the lingual aspect of the mandibular body, which generally contains salivary gland tissue. It can be detected during routine dental examinations and typically appears as an ovoid, well-defined, well-corticated, radiolucent depression in the posterior mandibular region below the inferior alveolar nerve (IAN) (in: Neville et al, Oral and maxillofacial pathology, Elsevier, Inc, St. Louis, MO, 2016).An 80-year-old male presented to our clinic for a routine dental examination. Panoramic radiography and cone-beam computed tomography (CBCT) displayed two well-defined, well-corticated, ovoid radiolucencies inferior to the IAN canal on the left mandibular molar region. The working diagnosis was SBD, and the patient was informed of the findings. Irregular margins on the superior aspect of the anterior defect were noted on CBCT imaging; therefore, follow-up with panoramic images at 6 months, 1 and 5 years was recommended.
摘要：
Stafne骨缺损（SBD）是一种罕见的发育性骨缺损，其特征是皮质骨的无症状局灶性凹陷，通常在下颌体的舌面，通常包含唾液腺组织。它可以在常规牙科检查中检测到，通常表现为卵形，定义明确，皮质良好，下牙槽神经（IAN）下方的下颌后部区域的射线可透性凹陷（in：Neville等人，口腔颌面部病理学，Elsevier,Inc,圣路易斯,MO,2016)。一名80岁的男性到我们的诊所进行常规牙科检查。全景射线照相术和锥形束计算机断层扫描（CBCT）显示了两个定义明确的，皮质良好，卵形射线可透性位于左下颌磨牙区的IAN管下方。工作诊断是SBD，患者被告知这一发现。在CBCT成像中注意到前缺损上方面的不规则边缘；因此，6个月的全景图像随访，建议1年和5年。
