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[Mathematical investigations of the functional tooth axis]
1Klinik und Polikliniken für Zahn-, Mund- und Kieferkrankheiten der Johannes-Gutenberg-Universität Mainz.
Deutsche Stomatologie (Berlin, Germany : 1990)
|January 1, 1991
Summary
The functional tooth axis, unlike the anatomical axis, maximizes stress on desmodontal fibers. Computer simulations reveal varied functional axes, indicating biological tolerance in occlusion.
Area of Science:
- Biomechanical Engineering
- Dental Anatomy
- Periodontology
Context:
- Understanding tooth biomechanics is crucial for dental health.
- The desmodont's role in force distribution is key to tooth stability.
- Anatomical tooth axis may not accurately reflect functional force direction.
Purpose:
- To define and analyze the functional tooth axis.
- To investigate the relationship between functional tooth axis and desmodontal fiber stress.
- To explore the implications of functional axes for occlusal tolerance.
Summary:
- The functional tooth axis is defined by the direction of force that maximally stresses desmodontal fibers in tension.
- Mathematical models of teeth and the desmodont were created using computer simulations for an upper canine, upper molar, and lower molar.
- Results showed that functional tooth axes differ from anatomical axes, with a range of possible functional axes identified for each tooth.
Impact:
- The identified range of functional axes signifies biological tolerance within the periodontium.
- This biological tolerance suggests that variations in occlusion may not necessarily lead to pathological effects on the desmodont.
- Findings contribute to a better understanding of dental biomechanics and occlusal stability.