... cavity outpatient service Dental X-Ray equipment: ZTM-4The product has lowest radiant, good technical, better definition, digital, intelligentizedoperating system.The product ... Compared with 7mA-10mA dental unit in the world, X-ray radiation dosage has reduced by 92%-98% to protect ... clearest image can be acquired by making use of microfocus x-ray tube.4. Using microcomputer controller, which is very ...