Parafunctional activity

The masticatory system is involved in addition to the comminution of food and language education and in swallowing. Parafunctions (sometimes Oral Habit ) is a collective term for a non- natural use of the masticatory system.

These include:

  • Teeth clenching and grinding (bruxism )
  • Lip and cheek biting
  • Thumb Sucking
  • Pencil and chewing fingernails.

This behavior takes place unconsciously substantially. It is usually acquired in childhood and is part of the personality profile of a person. The parafunction takes place under increasing mental tension. Parafunctions essentially apply as an indicator of the internal state of the patient. Behavior therapy offers concepts to people to quit this behavior if it bothersome we accept or pathological forms.

Follow

The parafunction simultaneously belongs to the symptoms of TMJ disorder. Here, the parameter function of both cause and a consequence can be that.

Parafunctional habits can cause damage to the teeth by abrasion of the teeth, such as tooth jumps, Zahnabsplitterung, fracture of tooth edges. The constant rubbing of the grinding and clenching is the hard tooth structure (enamel ) and later, the dentine underneath, removed. Parafunctional habits can contribute to the development of periodontal disease and result in further aggravating factors for tooth loss. TMJ complaints, complaints of neck muscles, shoulder muscles or headaches can also be the result. Should also cause malocclusions than three years of thumb sucking in children.

Trigger

Mainly the gnashing of teeth may be affected by inducing or entertaining factors, such as:

  • Early contacts of the teeth
  • Overhanging fillings or
  • Difficulties with dentures
  • Hypersensitive Dental Necks
  • Centrally induced muscular hyperactivity ( hypervigilance )
  • Hormonal disorders
  • Emotional stress
  • Tinnitus

Definition of the scientific society

The German Society of Dental, Oral and Maxillofacial Surgery ( DGZMK ) defined bruxism as parafunction further ( grinding, pressing), tongue thrusting and lip biting with non-physiological effects on teeth, periodontium, masticatory muscles and / or temporomandibular joints.

Occlusion (dentistry) Stress (biology)
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