The dissolution kinetics of type B carbonate apatite (CAp) disks sintered at
different temperatures were investigated under acidic conditions similar to
an osteoclastic desorption process in bone remodeling. The type B CAp disks,
which were uniaxially pressed at 98MPa and sintered at temperatures of 600
to 700 ºC, showed single crystalline phase and a high relative density of
60-62 % compared to the stoichiometric density of 3.16g/cm3 of
hydroxyapatite (HAp). The dissolution rate of type B CAp disks sintered at
650 ºC was 3.5 times faster than that of HAp disks at 650 ºC. These results
indicate that the Type B CAp sintered disks show potential use as a
biodegradable material for artificial bone.