Method of using a transparent disk during a dental procedure

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A thin, clear, plastic disk has a central aperture through which is inserted a resilient o-ring. The o-ring is slipped over and frictionally engages with the fitting which secures the nozzle of an air/water syringe to the syringe handle. During the performance of a dental procedure using this instrument the shield is positioned close to the mouth of the patient and blocks matter ejected from the patient's mouth by the force of the air/water spray before it can become airborne and shields the splatter from being deposited on any exposed areas of the dental professional's face, head, hair and neck. This simple, efficient technique prevents contaminating the professional with the germs, bacteria and other potentially infectious viruses of the patient, including the AIDS virus.

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