Oral Pathology

What is the difference between fusion and concrescence? Between twinning and gemination?

  What is the difference between fusion and concrescence? Between twinning and gemination? Fusion is a more complete process than concrescence and involves fusion of the entire length of two teeth (enamel, dentin, and cementum) to form one large tooth, with one less tooth in the arch, or fusion of the root only (dentin and cementum), with the maintenance of two clinical crowns. Concrescence involves fusion of cementum only. Twinning is more complete than gemination and results in the formation of two separate teeth from one tooth bud (one extra tooth in the arch). In gemination, separation is attempted, but the two teeth share the same ...

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Update for dentists: Osteonecrosis of the jaw

This paper is an adaptation, with permission, of the recent systematic review published in the Journal of Bone and Mineral Research by the International Task Force on Osteonecrosis of the Jaw. Archibald Morrison, DDS, MS, FRCD(C); Aliya Khan, MD, FRCPC, FACP, FACE; Sotirios Tetradis, DDS, PhD; Edmund Peters, DDS, MSc, FRCD(C) Read the full article (PDF)   This work provides a systematic review of the literature from January 2003 to April 2014 pertaining to the incidence, pathophysiology, diagnosis, and treatment of osteonecrosis of the jaw (ONJ), and offers recommendations for its management based on multidisciplinary international consensus. Purpose of the ...

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Diagnosis and Treatment of the BRONJ Case

Revisit the Case Presentation and Clinical Evaluation This case is presented by:  Dr. Eric T. Stoopler, D.M.D., FDS RCSEd, FDS RCSEng Dr. Juan M. Bugueno, D.D.S. Dr. Kevin Sweeney, D.D.S. Dr. David C. Stanton, D.M.D., M.D., F.A.C.S  We would like to thank all our dentists who submitted their responses to the diagnosis and treatment challenge. Case Diagnosis The Clinical diagnosis was bisphosphonate-related osteonecrosis of the maxilla. Treatment The patient’s oncologist discontinued the ZA therapy. The patient was evaluated by an oral and maxillofacial surgeon who recommended surgical debridement of the affected areas and the patient underwent the procedure five months after cessation ...

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How would you treat this case?

This case was submitted by a team of dental faculty members in the Oral Medicine and Pathology departments of the University of Pennsylvania School of Dental Medicine.  Alicia M. Houston, D.D.S. (Resident – Department of Oral Medicine) Faizan Alawi, D.D.S. (Associate Professor of Pathology – Department of Pathology) Eric T. Stoopler, D.M.D., FDS, RCSEd, FDS RCSEng  (Associate Professor of Oral Medicine) Case was edited by Dr. Suham Alexander, Oasis Clinical Editor  Case Presentation Findings Extraoral – NSF Intraoral – 2x2cm ulceration at R posterior lateral border of the tongue with indurated borders No herpes simplex virus found in direct fluorescent ...

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