Dental Terminology Chapter 1
Terms
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- abrasion
- scrape from; wearing away of a tooth surface from abnormal causes.
- abscess
- collection of pus
- absorption
- drug substance transfer from the administration site by body fluids
- syncope
- a temporary loss of consciousness due to lack of adquate supply of blood to the brain; also known as fainting or swooning.
- xerostomia
- dryness of the mouth caused by the lack of normal salivary secretion.
- cranium
- the portion of the skull that encloses the brain. Eight bones make up this section of the skull.
- temporal bones
- two fan-shaped bones, one on each side of the skull.
- frontal bone
- a single bone in the frontal or anterior region.
- occipital bone
- one large, thick bone in the lower back of the head that forms the base of the skull.
- ethmoid bone
- a spongy bone forming part of the anterior nasal fossa of the skull.
- sphenoid bone
- a large bone at the base of the skull situated between the occipital and ethmoid bones in front of and between the parietal and the temporal bones on the side.
- zygomatic bones
- two facial bones, one under each eye, that form and give shape to the cheekbone. Also called the malar bones.
- maxillary bones
- two bones, one each on the left and the right, that unite to form the upper jaw and suport the maxillary teeth.
- palatine bones
- two bones, one each on the left and the right, that form the hard palate of mouth and the nasal floor.
- nasal bones
- two bones, one left and one right, that form the arch or bridge of the nose.
- lacrimal bones
- the two bones at the inner or nose side of the orbital cavity.
- inferior conchae
- two thin scroll-like bones that form the lower part of the interior of the nasal cavity.
- mandible
- the strong, horseshoe-shaped bone that forms the lower jaw.
- vomer
- a single bone that forms the lower posterior part of the nasal septum.
- malleus
- the largest of the three ossicles. It is located in the middle ear and serves as the ear mallet.
- incus
- ossicle of the middle ear. It serves as the ear anvil.
- stapes
- ossicle in the middle ear. It is commonly called the ear stirrup.
- hyoid bone
- horseshoe-shaped bone lying at the base of the tongue. It does not articulate with any other bone.
- sinus
- an air pocket or cavity in a bone which lightens the bone, warms the air intake, and helps form sounds. Sinus cavities receive their names from the bones in which they are situated.
- ethmoid sinus
- sinus located in the ethmoid bone, at the side of the eye.
- sphenoid sinus
- sinus located in the sphenoid bones, situated behind the eyes.
- frontal sinus
- sinus located in the maxilla. It is the largest and is called the atrium of Highmore. Is easily seen on x-rays and is used as a landmark in x-ray films.
- suture (1)
- a line where two or more bones unite in an immovalbe joint.
- suture (2)
- stitch or staple repairing or closing a wound.
- sagital suture
- the union line between the two parietal bones on top of skull.
- coronal suture
- the junction of the frontal and the parietal bones. May be referred to as the baby's "soft spot" or fontanel.
- lamboid suture
- located between the parietal bone and the upper border of the occipital bone.
- temporoparietal suture
- union line located between the temporal and parietal bones. It is also known as the squamous suture.
- UCR
- usual, customary, and reasonable
- ADA
- American Dental Association
- CDC
- Centers for Disease Control
- MSDS
- manufacturer's safety data sheet
- DHCW
- Dental Health Care Worker
- EPA
- Environmental Protection Agency
- SOP
- standard operating procedure
- FDA
- Food and Drug Administration
- RCT
- root canal treatment
- CPR
- cardiopulmonary resuscitation