Strength Analysis of 6 Resorbable Implant Systems: Does Heating Affect the Stress-Strain Curve?

Ricalde, Pat; Caccamese, John; Norby, Clinton; Posnick, Jeffrey C.; Hartman, Michael J.; von Fraunhofer, J. Anthony

doi:10.1016/j.joms.2008.06.096

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Volume 66, Issue 12 , Pages 2493-2497, December 2008

Strength Analysis of 6 Resorbable Implant Systems: Does Heating Affect the Stress-Strain Curve?

Pat Ricalde, DDS, MD
- Director, St Joseph's Children's Craniofacial Center, Tampa, FL; Adjunct Faculty, Department of Oral and Maxillofacial Surgery, University of Maryland, Baltimore, MD
- Address correspondence and reprint requests to Dr Ricalde: 304 S MacDill Ave, Tampa, FL 33609
John Caccamese, DMD, MD
- Assistant Professor, Department of Oral and Maxillofacial Surgery, University of Maryland Medical Center and Baltimore College of Dental Surgery, Baltimore, MD
Clinton Norby, DDS
- Resident, Oral and Maxillofacial Surgery, University of Iowa College of Dentistry, Iowa City, IA
Jeffrey C. Posnick, DMD, MD
- Director, Posnick Center for Facial Plastic Surgery, Clinical Professor of Surgery and Pediatrics, Georgetown University, Washington, DC
Michael J. Hartman, DMD, MD
- Professor and Director, Biomaterials Science, Baltimore College of Dental Surgery–University of Maryland Dental School, Baltimore, MD
J. Anthony von Fraunhofer, MSc, PhD
- Formerly, Chief Resident, Oral and Maxillofacial Surgery, University of Maryland Medical Center and Baltimore College of Dental Surgery, Baltimore, MD

Purpose

The objective was to directly compare the strength of 6 different resorbable implant plating systems using an in vitro model before and after heating.

Materials and Methods

Red oak wood was cut and fixated using various resorbable plates and screws. Vertical load was applied and the specimens fractured, while a test machine gathered data. This was repeated after heating of the specimens.

Results

Several parameters were analyzed, and force versus displacement curves were plotted for each specimen.

Conclusions

There were no statistically significant differences for total maximum loads between heat-treated and non heat-treated specimens. There were differences in strengths amongst the various systems.