Of the five cements tested, the most retrievable CAD/CAM restorations were luted with Temp Bond NE and Improv Temporary Cement. Resin-modified glass ionomer retentive forces were closer to those of the "temporary cements" than those of the permanent adhesive-resin cements. The abutment surface area became less important when using adhesive-resin cements. Retention of CAD/CAM all-ceramic restorations to prefabricated abutments has not been reported in the literature. This in vitro study demonstrated clinically significant variation among the selected cements used to retain all-ceramic CAD/CAM restorations to implant abutments. In addition, abutment size influenced the retention of all-ceramic CAD/CAM restorations.
Purpose:
The purpose of this case series is to show the varied oral presentations of multiple myeloma, illustrating the importance of carefully surveying the oral cavity for suspicious lesions that could be indicative of palpable disease and/or recurrence. The diagnostic criteria and prognostic features for multiple myeloma were also reviewed.
Case Series Summary:
This report focuses on 5 patients with myeloma manifestations involving the oral cavity, in which the oral presentation of multiple myeloma was an early indication of disease relapse. Although the clinical presentation may be variable, the majority of patients will develop lytic bone lesions and less commonly, extramedullary involvement during the course of their disease.
Discussion:
The presentation of myeloma can be varied and the oral presentation, although rare, may be the sole manifestation, or part of a group of signs of disease progression. Clinical presentations of patients with myelomatous lesions can mimic common dental pathologies, which then, in turn, can lead to delays in diagnosis and treatment.
Conclusion:
As members of an interdisciplinary oncology team, it is essential to be familiar with oral manifestations of multiple myeloma and proper diagnostic/biopsy techniques in order to avoid misdiagnosis and treatment delays.
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