Trismus is restruction of the opening of the mouth due to spasm.
Stoma is the medical term for mouth or opening.
It's called a tracheotomy.
The limitation of the gap of the mouth due to trauma, medical procedure, or radiation (oral cancel treatment) is called Trismus. This condition also affects the diet and speech of the patient.
Depression is the medical term meaning the act of lowering a body part. So opening your mouth is also depressing your mandible.
The Latin words for mouth or opening are os and ostium. Os meaning mouth, mask, bone, opening. Ostium meaning door, mouth, entrance, gate, or exit.
Stoma- is the medical terminology combining form meaning mouth. It can be found in words like stomatitis (inflammation of the mouth) or xerostomia (dry mouth).
xerostomia, lit. dry mouth condition from xero- meaning "dry" + -stom- meaning "mouth or opening" + -ia meaning "condition". [For memory association purposes for -xero-, Xerox is a dry ink printing technique.]
stomatitis
The medical term for the bones of the roof of the mouth is "palate."
Stomatalgia is the medical term meaning mouth pain.
Trismus (TRIZ-mus) describes any restriction to the opening of the mouth caused by trauma, surgery, or radiation associated with the treatment of oral cancer. This condition causes difficulty in speaking and affects the patient's nutrition due to impaired ability to chew and swallow. Patricia Conroy
Orogastric