Three cases of mandibular implant overdentures (IODs) were measured for retention by a
developed model. A nylon thread was tied through a hole at the midline of the IOD and
seated it in the patient's mouth properly. Briefly, a facebow was set on the patient, with its
arms firmly held by an assistant. The other end of the thread was tied into a loop, and the
thread was inserted through a hole at the Camper's line of the facebow and hooked onto a
portable force gauge. The thread was then pulled in parallel with the arms of the facebow by …