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Related Experiment Videos

Computerized axiography in TMD patients before and after therapy with 'function generating bites'.

M G Piancino1, L Roberi, G Frongia

  • 1Chair Department of Orthodontics and Gnathology-Masticatory Function, University of Turin, Turin, Italy.

Journal of Oral Rehabilitation
|January 17, 2008
PubMed
Summary
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This study shows that

Area of Science:

  • Orthodontics and Dental Biomaterials
  • Temporomandibular Joint Disorders (TMD) Research
  • Biomechanical Analysis of Jaw Movements

Background:

  • Temporomandibular disorders (TMD) affect jaw function and can cause pain.
  • Functional appliances, specifically 'function generating bite' (FGB) devices, are used in orthodontic treatment.
  • Assessing the impact of FGB therapy on TMJ movements in TMD patients is crucial.

Purpose of the Study:

  • To evaluate temporomandibular joint (TMJ) movements in TMD patients before and after FGB therapy.
  • To compare the effectiveness of FGB appliances in young and adult TMD patients.
  • To analyze changes in condyle border movements using computerized axiography.

Main Methods:

  • Thirty TMD patients (young and adult groups) and a healthy control group were studied.

Related Experiment Videos

  • Computerized axiography was used to record TMJ movements before and after FGB treatment.
  • Statistical analysis (chi-squared test) was applied to compare pre- and post-treatment data.

    • Main Results:

    • FGB therapy significantly improved TMJ tracing length, click presence, morphology, superimposition, deviations, regularity, return to start, and speed in both young and adult patients.
    • Symmetry of TMJ tracings improved significantly only in the young patient group.
    • The control group showed no significant changes in TMJ movements over time.

    Conclusions:

    • FGB appliances significantly enhance TMJ function in young and adult TMD patients.
    • The positive effects of FGB therapy are particularly pronounced in younger patients.
    • FGB therapy is a potentially valuable treatment for improving TMJ function in orthodontic patients with TMD.