Stephen M. Benjamin, D.M.D. M.S.

Dr. Stephen Benjamin is continuing to build lifetime relationships here in central Illinois. Born and raised in Peoria, Dr. Benjamin attended Illinois Wesleyan University in Bloomington, and graduated with high honors, Magna Cum Laude. He then attended Southern Illinois University School of Dental Medicine and was ranked number one in his class all four years of dental school, graduating with highest honors, Summa Cum Laude. Dr. Benjamin’s dental school class achieved the distinction of being ranked fourth in the entire nation on their National Board Exams. Dr. Benjamin and his family then relocated to Houston, TX for the University of Texas Health Science Center residency in Endodontics. His Master of Science research project entailed examining the potential use of ultrasound for the International Space Station through a collaborative effort with Wylie Laboratories and Johnson Space Center in Houston. Dr. Benjamin has dedicated his life toward the pursuit of education and mastery of clinical skill.

Awards

Professional Affiliations

Research

• Evaluation of ultrasonography for the in vivo detection of periradicular lesions in the human maxilla and mandible, May 2004 – June 2005. Research coordinated with National Aeronautical and Space Administration - Johnson Space Center (NASA-JSC) for potential deployment aboard the International Space Station (ISS).
• Contemporary Endodontic Therapy and Allergens: Have We Opened Pandora’s Box?, An extensive review of the medical and dental literature was conducted which revealed many of the materials utilized in contemporary endodontic therapy are potential allergens. The purpose of this study was to raise awareness of these seemingly innocuous allergens found in everyday endodontic materials, provide a practical method to ascertain related previous allergic reactions from patients, recognition of the responses they evoke, and appreciate the implications of these materials on current endodontic practice. May 2004. American Association of Endodontists Annual Session Table Clinic Presentation.
• Protease Activity of Enterococcus faecalis Colonizing Medicated Root Canals, Numerous studies have shown that persistent endodontic infections are often caused by the resistant microorganism Enterococcus faecalis. There is little research that describes the mechanisms through which bacteria metabolize and proliferate in the nutrient poor environment of a medicated root canal. This research examined the role that E. faecalis proteolytic enzymes, including collagenases and gelatinases, play in maintaining persistent infections. Awarded the Southern Illinois University’s Dean’s Student Research Fellowship, May 2001.

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Fabian G. Hosein, D.D.S., M.S.

Dr. Fabian Hosein attended the University of Northern Iowa where he graduated Summa Cum Laude.  He then completed dental school at the University Of Texas Health Science Center in Houston, graduating once again with highest honors at the top of his class.  He was chosen to join the residency program at the University Of Texas Health Science Center, where he completed an additional three years of training in the Endodontic specialty.  During this time, Dr. Hosein became published in the research field of dentistry and received numerous awards including the American Association of Endodontists award. As part of his training Dr. Hosein completed additional research and a Master’s thesis entitled “Expression of Chemokine Receptors in Periapical Tissue in Previously Endodontically Treated Teeth”. Dr. Hosein, his wife Heather and their children are thrilled to be back here in the Midwest closer to family. His knowledge and professional expertise combined with his superior clinical skill and warm, sincere personality are what bring excellence to this practice.

Awards

Professional Affiliations

Research

• “Expression of Chemokine Receptors in Periapical Tissue In Previously Endodontically Treated Teeth”.  The purpose of the study was to investigate the expression of chemokine receptors (CCR1 & 2 and CXCR1 & 2) associated with periapical granuloma formation in previously endodontically treated teeth, June 2006.
• Relative and Absolute Contraindications to Vasoconstrictor use in Medically Compromised Dental Patients. May 2004. American Association of Endodontists Annual Session Table Clinic Presentation.
• “A Comparative study of the Torsional Properties and Cleaning and Shaping Efficacy of the Root Canal System, Using New Rotary Endodontic Systems”. The effectiveness of ProFiles’s .04 taper series and Brasseler’s RaCe – Rotary Alternating Cutting Edge were compared in regard to the degree of flare in simulated canals. The file (size and type) with the degree of breakage was also correlated using a Torsiometer, March 2003.
• “Epstein – Barr Virus Replication effect on Langerhans cells in Oral Hairy Leukoplakia Pathogenesis”. The purpose of this clinical study was to determine the effect of antiviral therapy oral Valacyclovir on the number of Langerhans cells in serial biopsies obtained from HIV-positive individuals, with and without Oral Hairy Leukoplakia tongue lesions, March 2001.

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