Differences between Subjective Balanced Occlusion and Measurements Reported With T-Scan III

Area of Science:

• Dental Science
• Biomechanics
• Clinical Diagnostics

Background:

• Temporomandibular disorder (TMD) etiology is multifactorial, with occlusion frequently implicated in its pathogenesis.
• Understanding the relationship between occlusal balance and TMD is crucial for effective diagnosis and treatment.

Observation:

• This study compared subjective occlusal balance assessments (Fonseca questionnaire) with objective electronic measurements (T-Scan III).
• Three groups were analyzed: fixed denture wearers, symptomatic TMD participants, and a healthy control group.

Findings:

• Statistically significant differences (P < 0.001) were found between subjective occlusal balance and T-Scan III measurements across all groups.
• Subjective occlusal balance data demonstrated significant discrepancies when compared to objective electronic analysis.

Implications:

• Subjective questionnaires alone are insufficient for accurately assessing occlusal balance in TMD assessment.
• Objective electronic occlusal analysis systems like T-Scan III provide more precise data for diagnosing and managing TMD.