Region Mean (SD)
Mandibular molar region 374.58 (270.63)
Furcation of the mandibular first and second molars 377.37 (231.5)
Mandibular premolar region 470.58 (245.73)
Mandibular anterior region 653.55 (328.14)

CBCT = cone-beam computed tomography; HU = Hounsfield unit; SD = standard deviation.