[Injuries due to intrusion of the upper central incisor into the left nasal fossa].
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Predictable success of autogenous graft and implant reconstructions is critically dependent on preoperative alignment and prosthetic considerations planned by the surgeon and the restorative dentist in a team approach. In such cases the surgeon has an opportunity to place accurate bone grafts that allow implants to be secured in both the correct position and correct axis for good prosthetic restoration. With careful thought, the restorative dentist and surgeon can plan the location, shape, and volume of an implant-graft reconstruction. Nine requirements for successful onlay grating with implants and five case reports illustrating the team approach are presented.
A case involving the use of non-submergible compression-type implants in an effort to rehabilitate a patient who had experienced tooth loss as a consequence of a motor vehicle accident is reported. The implants were placed in the maxillary arch without consideration of their contribution to subsequent prosthetic rehabilitation. The literature pertaining to compression-type implants is reviewed, and the difficulties related to their correct usage are delineated.
Luxation injuries range in severity from a mild blow to a more severe form, which can cause pulpal necrosis and additional sequelae. This article reviews the epidemiology and describes the various classifications, the appropriate treatment, and the various sequelae of luxation injuries.
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Root-form implants may be indicated for the replacement of missing anterior teeth. Occasionally fixtures are placed in a position inconsistent with proper tooth alignment. The new PreAngled Abutment (Dentsply/Implant Division, Encino, CA) addresses this problem and was used to successfully restore missing tooth numbers 7 and 8 for a patient that had two malpositioned implants.
A rare case of calcifying epithelial odontogenic tumor (Pindborg's tumor) is presented. This tumor was situated in the left nasal cavity. The mucosa overlying the tumor was intact. Its presenting clinical symptoms were hemilateral gradually increased bulging floor of the nase and magnifying nasal stenosis. The tumor was generally radiolucent but contained fully developed embedded tooth. With the patient under local anesthesia the tumor was total enucleated without difficulty. Histologically the lesion presented the typical features of a calcifying epithelial odontogenic tumor. Two years after the operation the patient was without recurrence.
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This paper reports three cases where permanent incisor teeth had been displaced following trauma. Owing to the circumstances at presentation the cases were not treated according to the usual recommendations. However, the final outcome in each case was excellent. These observations indicate that a prospective clinical trial is needed.
Gas-plasma-treated, woven polyethylene fabric to reinforce heavily filled composite resin was used to fabricate a direct/indirect fixed partial denture to esthetically replace a missing maxillary central incisor for a 12-year-old boy. The patient and his parents were interested in using a fixed prosthesis as an interim space-maintaining restoration, which would boost the patient's self-esteem. The technique used was an amalgamation of old concepts and new procedures that enable general dentists to expeditiously and inexpensively replace missing teeth. This relatively noninvasive and basically reversible procedure allows the patient to ponder the final restoration as he or she goes through growth, development, and maturation of the hard and soft tissues.