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Intermediate Strain Rate Material Characterization with Digital Image Correlation
Published on: March 1, 2019
Load distribution in fixed space maintainers: a strain-gauge analysis.
Nihal Beldüz Kara1, Seçil Çehreli, Elçin Sağırkaya
1Department of Pediatric Dentistry, Faculty of Dentistry, Ordu University, Ordu, Turkey. nihalpedo@yahoo.com
Pediatric Dentistry
|May 3, 2013
Summary
The biomechanics of band-and-loop, direct-bonded, and fiber-reinforced space maintainers were compared. Direct-bonded designs showed higher strain concentrations, particularly under anterior loading.
Area of Science:
- Biomaterials Science
- Dental Biomechanics
- Orthodontic Appliances
Background:
- Space maintainers are crucial for preserving dental arch integrity after tooth loss.
- Understanding the biomechanical behavior of different space maintainer designs is essential for clinical success.
Purpose of the Study:
- To compare the biomechanics of various space maintainer designs (band-and-loop, direct-bonded, fiber-reinforced).
- To evaluate strain distribution under different loading conditions in photoelastic models.
Main Methods:
- Photoelastic models of primary and permanent teeth with missing spaces were created.
- Three types of space maintainers were fabricated and tested.
- Strain gauges quantified signals under static axial loads (50 N and 100 N).
Main Results:
- Strain distribution was comparable between designs under molar and maintainer loading.
- Direct-bonded space maintainers exhibited significantly higher strains under anterior support loading (100 N).
- Higher strains were noted with direct-bonded designs compared to band-and-loop under 100 N maintainer loading.
Conclusions:
- Band-and-loop, direct-bonded, and fiber-reinforced space maintainers demonstrate comparable load distribution.
- Direct-bonded space maintainers may induce higher strain concentrations on the buccal side due to bending moments.
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