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Related Experiment Videos

Tooth contact during dynamic lateral excursion in young adults

N Hochman1, J Ehrlich, A Yaffe

  • 1Department of Prosthodontics, Hebrew University, Hadassah School of Dental Medicine, Jerusalem, Israel.

Journal of Oral Rehabilitation
|March 1, 1995
PubMed
Summary

Non-functional side contact (NFSC) is a common dental phenomenon in healthy young adults. This study found no correlation between NFSC and mandibular dysfunction, suggesting further research is needed.

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Area of Science:

  • Dentistry
  • Dental Occlusion
  • Periodontology

Background:

  • Non-functional side contact (NFSC) is frequently observed in dental occlusion.
  • Understanding the prevalence and implications of NFSC is crucial for diagnosing and managing occlusal issues.
  • Previous research has not fully elucidated the relationship between NFSC, periodontal health, and mandibular dysfunction.

Purpose of the Study:

  • To investigate the prevalence of non-functional side contact (NFSC) in healthy young adults.
  • To assess the correlation between NFSC, periodontal signs, and symptoms of mandibular dysfunction.
  • To determine the significance of recording the entire range of movement in cases of NFSC.

Main Methods:

  • A cohort of healthy patients aged 20-31 with Angle class I or II malocclusion were examined.

Related Experiment Videos

  • Tooth contacts during mediotrusion were recorded.
  • Signs and symptoms of periodontal health and mandibular dysfunction were assessed.
  • Tooth mobility and faceting were evaluated.

    • Main Results:

    • Non-functional side contact (NFSC) was present in 94% of the participants, indicating high prevalence.
    • Slight positive tooth mobility and tooth faceting were observed in 56 patients.
    • No statistically significant correlation was found between mediotrusion contacts and mandibular dysfunction.
    • The study highlights the importance of evaluating the complete range of mandibular movement for NFSC assessment.

    Conclusions:

    • Non-functional side contact (NFSC) is a highly prevalent condition in healthy young adults.
    • Current evidence does not support a direct link between NFSC and mandibular dysfunction.
    • Longitudinal studies are recommended to understand the cumulative effects of NFSC on dental and temporomandibular health.