This study reports the results of 38 infraorbital maxilla impacts performed on male cadavers. Impacts were performed using an unpadded, cylindrical impactor (3.2 kg) at velocities between 1 and 5 m/s. The peak force and acoustic emission data were used to develop a statistical relationship of fracture risk as a function of impact force. Acoustic emission sensors were used to provide a noncensored measure of the maxilla tolerance and were essential due to the increase in impactor force after fracture onset. Parametric and nonparametric techniques were used to estimate the risk of fracture tolerance. The nonparametric technique produced an estimated 50% risk of fracture between 970 and 1223 N. The results obtained from the parametric and nonparametric techniques were in good agreement. Peak force values achieved in this study were similar to those of previous work and were unaffected by impactor velocity. The results of this study suggest that an impact to the infraorbital maxilla is a load-limited event due to compromise of structural integrity.
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June 2011
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The Tolerance of the Maxilla to Blunt Impact
John Bolte, IV
John Bolte, IV
Injury Biomechanics Research Laboratory,
The Ohio State University
, Columbus, OH 43210 e-mail:
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Sarah Manoogian
Stefan Duma
John Bolte, IV
Injury Biomechanics Research Laboratory,
The Ohio State University
, Columbus, OH 43210 e-mail: J Biomech Eng. Jun 2011, 133(6): 064501 (5 pages)
Published Online: June 14, 2011
Article history
Received:
November 18, 2010
Revised:
May 6, 2011
Posted:
May 17, 2011
Published:
June 14, 2011
Online:
June 14, 2011
Citation
Cormier, J., Manoogian, S., Bisplinghoff, J., Rowson, S., Santago, A., McNally, C., Duma, S., and Bolte, J., IV (June 14, 2011). "The Tolerance of the Maxilla to Blunt Impact." ASME. J Biomech Eng. June 2011; 133(6): 064501. https://doi.org/10.1115/1.4004248
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