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ANTERIOR OPEN BITE
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ANTERIOR OPEN BITE

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THIS WILL AID IN MANAGEMENT OF PATIENTS WITH AOB

THIS WILL AID IN MANAGEMENT OF PATIENTS WITH AOB

Published in: Health & Medicine

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  • open bite during the exchange of primary to permanent dentition usually resolves without treatment. The open bite can be the simple type, without abnormal measures to the vertical cephalometric analysis; and complex, when the cephalometry shows disharmony in the skeletal components of the anterior facial height
  • With majority of these habits the patient disoccludes his/her jaw, in other words keeps his mouth perpetually open. This over a period of time either causes the posterior teeth to supra-erupt and/or flaring and infra-occlusion of the anterior teeth.
  • Remember to assess patient adenoids for any enlargement
  • Although prolonged mouth breathing may be a contributory factor for malocclusion, it is not necessarily the main aetiological factor. Therefore, adenoidectomy or tonsillectomy is not recommended in the prevention of malocclusion and should be done for medical purposes only. chui shan teresa et al, 2008
  • Measuring the open bite: Tx follow up, Med/ leg reasons, Tx evalutions, Monitoring px
  • Please note the following; short ramus height, MPA is steep, gonial angle, direction of occlusal planes, LAFH, PFH:AFH. Assessment o patient growth to determine amount of growth left is also very important
  • ODI… Normal mean 74.5%, less value implies an open bite present or a tendency towards it.
  • DUNLOP BETA HYPOTHESIS;
    He believed that if a subject can be forced to concentrate on the performance of the act at the time he practices it, he can learn to stop performing the act. Forced purposeful repetition of a habit eventually associates it with unpleasant reactions and the habit is abandoned. The child should be asked to sit in front of a mirror and asked to suck his thumb, observing himself as he indulges in the habit.
  • Compliance is factor to consider when choosing between fixed and removable appliance
  • Extrusion of the anterior teeth, as achieved by the MEAW appliance, has limited usefulness for patients who have adequate or excessive dentoalveolar height before treatment.
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