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KMID : 1023820160080050411
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The Journal of Advanced Prosthodontics
2016 Volume.8 No. 5 p.411 ~ p.416
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Prosthetic reconstruction with an obturator using swing-lock attachment for a patient underwent maxillectomy: A clinical report
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Seong Dong-Jae
Hong Seoung-Jin
Ha Seung-Ryong
Hong Young-Gi
Kim Hyo-Won
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Abstract
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Patients who underwent resection of maxilla due to benign or malignant tumor, or accident will have defect in palatal area. They get retention, support and stability from remaining tissues which are hardly optimal. The advantage of swing-lock attachment design is having multiple contacts on labial and lingual side of the abutment teeth by retentive strut and palatal bracing component. Because the force is distributed equally to abutment teeth, abutment teeth of poor prognosis can be benefited from it. It is also more advantageous to cover soft tissue defects which are hard to reach with conventional prosthesis. A 56-year-old female patient who had undergone a maxillectomy due to malignant melanoma complaining of loose and unstable surgical obturator. Surveyed crowns were placed on #12, 26, and 27. Teeth #11, 21, 22, and 23 had lingual rest seat and #24 had mesial rest seat to improve stability and support of the obturator. This clinical report presents the prosthetic management of a patient treated with obturator on the maxilla using swing-lock attachment to the remaining teeth.
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KEYWORD
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Palatal obturators, Denture precision attachment, Melanoma
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