Cephalogram
Cephalogram
A Cephalogram (pronounced: sef-uh-loh-gram) is a type of X-ray that provides a lateral or side view of the head and neck. This radiographic image is commonly used in the field of Orthodontics to study the skeletal structure and profile of the patient.
Etymology
The term 'Cephalogram' is derived from the Greek words 'kephale' meaning head, and 'gramma' meaning something written or drawn.
Procedure
A Cephalogram is taken with the patient standing and the head is positioned in a cephalostat, a special device to keep the head still during the procedure. The X-ray source is positioned on one side of the patient's head and the film or sensor on the other side. The X-ray passes through the head, capturing an image of the bones and tissues.
Uses
Cephalograms are used for a variety of purposes in the medical field. They are primarily used in the field of Orthodontics to assess the relation of teeth to the jaws and the jaws to the rest of the facial bones. They are also used to evaluate the airway and for the diagnosis of Sleep Apnea. In addition, Cephalograms are used in the planning of Orthognathic Surgery.
Related Terms
- Orthodontics: The branch of dentistry dealing with the prevention and correction of irregular teeth.
- Orthognathic Surgery: A surgical procedure to correct conditions of the jaw and face related to structure, growth, sleep apnea, TMJ disorders, malocclusion problems owing to skeletal disharmonies, or other orthodontic problems that cannot be easily treated with braces.
- Sleep Apnea: A potentially serious sleep disorder in which breathing repeatedly stops and starts.
External links
- Medical encyclopedia article on Cephalogram
- Wikipedia's article - Cephalogram
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