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KMID : 0362420160540010035
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Journal of Korean Academy of Prosthodontics
2016 Volume.54 No. 1 p.35 ~ p.40
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Maxillofacial rehabilitation of hemi-maxillectomy patient using a closed hollow bulb obturator fabricated by one-step polymerization technique: a clinical report
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Sim Jae-Hyuk
Han Jung-Suk
Lee Jai-Bong
Kim Sung-Hun
Yeo In-Sung
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Abstract
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The maxillary defects lead to anatomical and functional deformity of the maxillofacial region. As far as functions are concerned, such defects can produce difficulty in speech, mastication, and deglutition. Obturator prostheses play a very important role in functional recovery for post-maxillectomy patients. To achieve rigidity of the obturator, appropriate retention should be given, and the weight of the prosthesis be reduced. There are two types of hollow bulb obturator: open and closed. A closed type has many advantages. Nevertheless, some problems, including complexity of fabrication and water leakage into the bulb, have the closed hollow obturator not be widely used. The one-step polymerization technique described in this case overcomes the shortcomings by easily constructing a small hollow bulb with two thermoplastic resin sheets.
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KEYWORD
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Maxillary defect, Maxillectomy, Obturator, Closed hollow obturator
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