Mouth prop
Encyclopedia
A mouth prop is a wedge-shaped implement used in dentistry
Dentistry
Dentistry is the branch of medicine that is involved in the study, diagnosis, prevention, and treatment of diseases, disorders and conditions of the oral cavity, maxillofacial area and the adjacent and associated structures and their impact on the human body. Dentistry is widely considered...

 for dentists working with children and other patients who have difficulty keeping their mouths open wide and steady during a procedure, or during procedures where the patient is sedated. It has a rubber
Rubber
Natural rubber, also called India rubber or caoutchouc, is an elastomer that was originally derived from latex, a milky colloid produced by some plants. The plants would be ‘tapped’, that is, an incision made into the bark of the tree and the sticky, milk colored latex sap collected and refined...

 like texture and is typically made from Thermoplastic Vulcanizate (TPV) material. They come in several different sizes, from pediatric to adult, and are typically ridged as to use the back teeth to hold them in place.
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