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KMID : 1004520100260010033
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Journal of Dental Rehabilitation and Applied Science
2010 Volume.26 No. 1 p.33 ~ p.38
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A case of Obturator using Swing-lock Attachment for Par tial Edentulous Patient with Hemi-Maxillectomy Patient
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Oh Byung-Doo
Lim Jong-Hwa
Shin Soo-Yeon
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Abstract
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Maxillectomy is a treatment option for maxillary cancer, which leaves the patient with a palatal defect. It may cause problems with facial deformation, swallowing, mastication, and speech. These functional problems and changes in
appearance may result in psychological problems. To control these deficits after maxillectomy, surgical reconstruction or
prosthodontic treatment can be chosen as a treatment option. Obturator prosthesis has been used as a preferred method of rehabilitation for most maxillectomy patients. This case is a patient who was classified Aramany classification Ⅱ hemi-maxillectomy patient with residual teeth from #11-25, whose teeth had substantial labioversion and clinically lengthened from alveolar bone involution, thus making it hard to select proper framework design and resist to the rotational dislodging force of the obturator. Therefore we selected swing-lock attachment design to remain pre-existing crown and bridges and obtain retention and stability of obturator. The swing-lock RPD is economical than the conventional RPD because we can remain pre-existing crown and bridges. And residual teeth which have mobility and poor prognosis can be successfully retained through properly designed swing-lock RPD as it is functioning as a removable splint on the teeth.
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KEYWORD
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maxillectomy, obturator, swing-lock
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