Occlusion (dentistry)
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Overview
Occlusion, in a dental context, means simply the contact between teeth. More technically, it is the relationship between the maxillary (upper) and mandibular (lower) teeth when they approach each other, as occurs during chewing or at rest.
Malocclusion is the misalignment of teeth and jaws, or more simply, a "bad bite." Malocclusion can cause number of health and dental problems.
Static occlusion refers to contact between teeth when the jaw is closed and stationary, while dynamic occlusion refers to occlusal contacts made when the jaw is moving, as with chewing.
Centric occlusion is the occlusion a person makes when they close their jaw and fit their teeth together in maximum intercuspation. It is also referred to as a person's habitual bite, bite of convenience, or intercuspation position (ICP). Centric relation, not to be confused with centric occlusion, is a relationship between the upper and lower jaw.
Occlusal problems
Malocclusion can cause a number of problems, not just with teeth, but with gums, the temporomandibular joint (TMJ), and jaw muscles. Teeth, fillings, and crowns may wear, break, or loosen, and teeth may be tender or ache. Receding gums can be exacerbated by a faulty bite. TMJ problems, broadly termed temporomandibular joint disorder or TMJ syndrome, can include clicking, grinding, or pain in the jaw joint, ringing or buzzing in the ears, and difficulty opening and closing the mouth. If the jaw is mispositioned, jaw muscles may have to work harder, which can lead to fatigue and or muscle spasms. This in turn can lead to headaches or migraines, eye or sinus pain, and pain in the neck, shoulder, or even back. Untreated damaging malocclusion can lead to occlusal trauma.
Some of the treatments for different occlusal problems include tooth adjustments, replacement of teeth, medication (usually temporary), a diet of softer foods, relaxation therapy for stress-related clenching. Fixed appliances, known as orthodontic or dental braces, may be used to adjust the occlusion, and removable appliances, called occlusal splints, may be used for adjustment as well as for other purposes.
Fonder's Dental Distress Syndrome
See also
- Malocclusion - "bad bite"
- Occlusal trauma - problems that arise from untreated damaging occlusions
- Mutually protected occlusion - the way front and back teeth protect each other
- Vertical dimension of occlusion - a type of jaw measurement
- Occlusal splint - used to treat malocclusions and bruxism
- Maximum intercuspation, formerly known as centric occlusion - the bite in which all the teeth are closed together in their natural and physiologic position
References
- "Tooth surface loss; Part 3: Occlusion and splint therapy" British Dental Journal, Vol. 186, No. 5, 1999-03-13, via nature.com. Retrieved on 2007-08-18.
- Davies, S., and R. M. J. Gray, "Practice: What is occlusion?" British Dental Journal, Vol. 191, No. 5, pp. 235-245, 2001-09-08, via nature.com. Retrieved on 2007-08-18.
- "What is Malocclusion?" (Website). American Academy of Pediatric Dentistry, 2007. Retrieved on 2007-08-18.
- "Frequently Asked Questions: Jaw problems and headaches". (Website). British Dental Health Foundation, 2007. Retrieved on 2007-08-18.
Prosthodontology | |
|---|---|
| Fixed Prosthodontic Restorations | Bridge - Crown - Inlays and onlays - Post and core - Veneer - Resin retained bridge |
| Removable Prosthodontic Restorations | Complete dentures - Flipper - Removable partial dentures |
| Prosthodontic considerations | Biologic width - Centric relation - Crown-to-root ratio - Maximum intercuspation - Mutually protected occlusion - Occlusion - Vertical dimension of occlusion |
| Other specialties See also | Endodontology - Orthodontology - Periodontology Dental implant - Cosmetic dentistry |
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
