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KMID : 1023820120040020116
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The Journal of Advanced Prosthodontics
2012 Volume.4 No. 2 p.116 ~ p.120
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Implant overdenture using a locator bar system by drill and tapping technique in a mandible edentulous patient: a case report
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Kim Min-Su
Yoon Mi-Jung
Huh Jung-Bo
Jeon Young-Chan
Jeong Chang-Mo
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Abstract
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Various options have been introduced for the selection of implant overdenture attachments. Attachment wear due to the repeated insertion and removal of dentures has caused problems such as decreased retention and the requirement for suprastructure remanufacturing. In these cases, a Locator bar system was applied using the drill and tapping technique to achieve total retrievability. In a 55-year-old female patient who showed three degrees of mobility in most of her teeth due to severe alveolar bone loss, a complete denture in the maxilla and an implant supported type overdenture in the mandible were planned after extracting all the remaining teeth. Six implants were placed from canine region to the distal molar region, and the locator was connected to the milled bar using the drill and tapping technique. For a 61-year-old female edentulous patient who complained of poor retention with old denture, a complete denture in the maxilla and an implant-tissue supported type overdenture in the mandible were planned. Four implants were placed in front of mental foramen, and the Locator was also connected to the Hader bar using the drill and tapping technique. With this technique, female parts can be easily replaced, and retention can be continuously maintained.
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KEYWORD
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Implant overdenture, Locator bar system, Drill & tapping technique, Total retrievability
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