하악 자연치열에 대합되는 상악 임플란트 전악 수복 증례
Implant-supported maxillary full-arch fixed prosthesis opposing mandibular natural dentition: A clinical report
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초록
치주질환에 의해 수평적, 수직적 골흡수를 보이는 환자에게 전악 임플란트 고정성 보철수복 치료를 계획한 경우에는 저작 기능, 심미, 발음 등을 고려한 임플란트 식립이 필요하다. 이를 위해 철저한 임상적, 방사선학적 진단이 필요하며 광범위한 골이식과 연조직 이식술이 요구되기도 한다. 아직까지도 골이식한 상악에 대한 적절한 임플란트 식립 개수, 하부구조물 분할 여부 및 상부 구조물의 유지 방법 등에 대한 명확한 지침이 마련되어있지 않기 때문에 진단과정에서 이를 고려한 검사가 요구된다. 본 증례에서는 치주질환 병력이 있는 환자에서 상, 하악 다수 치아 발거 및 치주 치료 후, 골이식 및 연조직 이식을 동반한 다수 임플란트 식립과 하악 자연 치열에 대합되는 상악 임플란트 전악 보철수복을 통하여 기능적, 심미적으로 만족할 만한 결과를 얻었기에 이를 보고하고자 한다.
Abstract
When an implant-supported maxillary full-arch fixed prosthesis is planned for patients with the horizontal and vertical bone resorption induced by periodontal disease, it is necessary to consider the masticatory function, esthetics and phonetics when placing implants. For this reason, thorough clinical and radiological diagnosis is necessary. Extensive bone and soft tissue grafting may be required as well. Since there is no clear guideline for proper number of implants, segment or splinting of substructure and method of retaining prosthesis, these should be considered during diagnostic process. This clinical report describes a patient who has experienced several tooth extractions and periodontal treatment due to severe periodontitis on maxilla and mandible. With bone and soft tissue graft before dental implant placement, the patient have satisfactory result in esthetic and functional aspect with the implant-supported maxillary full-arch fixed prosthesis opposing mandibular natural dentition.
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