In the context of surgery or dental surgery, a gag is a device used to hold the patient's mouth open, when working in the oral cavity. Examples are the Jennings gag, the Whitehead gag and the Hallam gag. A typical modern surgery operation For other meanings of the word, see Surgery (disambiguation) Surgery (from the Greek cheirourgia - lit. ... Dental Surgery is any number of medical procedures which involve artificially modifying the dentition. ... In semantics, the patient is the passive part of a process. ... Sagittal section of nose mouth, pharynx, and larynx. ...
A gag is usually a device designed to prevent speech, often as a restraint device to stop the subject from calling for help.
This is usually done by blocking the mouth, partially or completely, or trying to prevent the tongue, lips, or jaw from moving in the normal patterns of speech, and to make the subject unable to make a loud vocal noise.
Gags are sometimes also used in the context of some consensual BDSM activities: for the use of gags in a BDSM context, see gag (BDSM).