2 ) to develop normal reference values and ranges for mandibular bmc in individuals between 20-40 yr of age without known systemic diseases and with normal oral state , ( n = 56 , f : m = 1:1 ) , and 3 ) to relate mandibular bmc with forearm bone bmc , sex and age , by comparing bmc values of a well-defined normal old test group ( n = 24 , f : m = 1:1 , 70-81 yr of age ) with the normal reference values .
C1514721
ranges
C2698497
normal reference values