Abstract
Background: Distraction #osteogenesis is a #biomechanicalprocess where the application of incrementally increasing distances between
living #bonesfragments (range of 0.5 to 1.0 mm per day) leads to the formation of new bone.
Objectives: The purposes of this study were twofold: (1) to evaluate the effectiveness of a light sensor in the assessment of distraction
forces, and (2) to assess the accuracy of a newly-developed simple mechanism for measuring the #distractionforces.
Materials and Methods: A modification of the simple mechanism
was fabricated with standard loads of 10, 20 and 30N to simulate the
resistance of the #osteotomizedbone segments during distraction
#osteogenesis. Measurements were performed with and without the aid of a
#lightsensor using both a modified force gauge and a UTM. Measurements
were repeated 30 times for each experimental setting. A paired t test
was used to analyze the differences between the groups; Significance
level was established at 0.01.
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