하악 잔존 임플란트를 이용한 가철성 국소의치 수복 증례
Rehabilitation of Mandibular Partial Edentulous Patient with Remaining Implants Using Implant-assisted Removable Partial Denture; A Case Report
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In a partially edentulous patient with a few remaining implants due to failure on multiple number of implants, implantassisted removable partial dentures (IARPDs) using remaining implants can be considered as an alternative treatment when further implant surgery is not available. IARPDs can be categorized as an overdenture type using attachment and a conventional removable partial denture type using surveyed crown. When the position of remaining implants is not ideal, it is known that the IARPDs using surveyed crown provides the ability to correct discrepancies and makes it easy to manufacture and maintain dentures although the evidence is still lacking. In this case, an 81-year-old female patient, the maxilla was restored with complete denture, and the mandible with IARPD using surveyed bridge on #i41i31=i33 and surveyed crown on #i36. She restored her masticatory function and was esthetically satisfied. Periodic follow-up after 3 months has been performed since the IARPD delivery to the patient. No sign of screw loosening of implants was detected. According to the reported design of IARPDs, it is recommended to place implants as an abutment of RPD in a symmetrical and strategic position to improve support, stability and retention of RPD. However, in this case, since the unilateral residual implant (#i36) was used as an abutment, there may be concerns about the lateral force applied to the implant due to rotation of the denture during mastication and deterioration of the stability of the denture. In order to compensate for these limitations, we intend to investigate considerations when manufacturing IARPDs.
Abstract
In a partially edentulous patient with a few remaining implants due to failure on multiple number of implants, implantassisted removable partial dentures (IARPDs) using remaining implants can be considered as an alternative treatment when further implant surgery is not available. IARPDs can be categorized as an overdenture type using attachment and a conventional removable partial denture type using surveyed crown. When the position of remaining implants is not ideal, it is known that the IARPDs using surveyed crown provides the ability to correct discrepancies and makes it easy to manufacture and maintain dentures although the evidence is still lacking. In this case, an 81-year-old female patient, the maxilla was restored with complete denture, and the mandible with IARPD using surveyed bridge on #i41i31=i33 and surveyed crown on #i36. She restored her masticatory function and was esthetically satisfied. Periodic follow-up after 3 months has been performed since the IARPD delivery to the patient. No sign of screw loosening of implants was detected. According to the reported design of IARPDs, it is recommended to place implants as an abutment of RPD in a symmetrical and strategic position to improve support, stability and retention of RPD. However, in this case, since the unilateral residual implant (#i36) was used as an abutment, there may be concerns about the lateral force applied to the implant due to rotation of the denture during mastication and deterioration of the stability of the denture. In order to compensate for these limitations, we intend to investigate considerations when manufacturing IARPDs.
참고문헌 (13)
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