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Immediate implant placement in combination with platelet rich-fibrin into extraction sites with periapical infection in the esthetic zone:A case report and review of literature

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World Journal of Clinical Cases 2021年第4期9卷 960-969页

作者： Jiao Fang Xi-Rui Xin Wen Li Han-Chi Wang Hui-Xin Lv Yan-Min Zhou Department of Dental Implantology Hospital of StomatologyJilin UniversityChangchun 130021Jilin ProvinceChina

BACKGROUND In this case,platelet-rich fibrin(PRF)was added to guided tissue regeneration as a biomaterial in proper order for immediate planting in aesthetic area with periapical *** SUMMARY With the history of endodontic failure in maxillary central incisor,a 34-year-old female patient required the extraction of maxillary anterior residual root and immediate *** beam computed tomography and clinical observation were used to assess the regeneration of soft and bone *** operation,cone beam computed tomography showed the anterior residual root had serious periapical periodontitis with insufficient labial bone in the aesthetic *** patient underwent immediate implant placement and reconstruction of the bone substitution by modified guided bone *** barrier was a three-layer structure of PRF-collagen membrane-PRF that covered the mixture of PRF and Bio-Oss to promote both osteogenesis and soft tissue *** 6 mo postoperatively,the definitive crown was placed after accomplished finial ***-year follow-up showed a satisfactory aesthetic effect with no obvious absorption of the labial bone and soft *** The use of PRF in combination with guided bone regeneration can serve as a reliable and simple adjuvant for immediate implanting in infected socket and result in a stable osteogenic effect with good aesthetic outcome.

关键词： Immediate implant Platelet rich-fibrin Periapical infection esthetic zone Guided bone regeneration Case report

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Sub-Epithelial Connective Tissue Graft to Increase the Volume of Residual Alveolar Bone in the Upper Anterior Sector and Fixed Rehabilitation with Zirconia

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Open Journal of Stomatology 2018年第6期8卷 189-195页

作者： Minor Enrique Zuniga Araya Rita Elizabeth Martínez Martínez Jose Honorio Olvera Delgado Jaime Alejandro Nieto Ramirez Elena A.Popoca Hernandez Jose Luis Ayala Herrera San Luis Potosi University San Luis PotosiMexico Universidad Autónoma de San Luis Potosí San Luis PotosíMéxico

Background: The collapse of the alveolar ridge in an edentulous area in patients who will undergo oral rehabilitation impedes the harmonic relationship between pontic and ridge. To correct this type of defect there are several surgical techniques that aim to achieve soft tissue augmentation, allowing the conformation of an ideal profile with the use of a pontic. The aim was to demonstrate how the technique of tissue modification in an area with a class b defect of Allen allows the correction of aesthetics in the anterior dental sector. Case presentation: A 41-year-old Mexican woman. Extra and intraoral examination was performed, the dental treatment included connective tissue graft and rehabilitation with Zirconia. Conclusion: Surgery of residual alveolar ridge augmentation with connective tissue graft gives the patient favorable aesthetic results in the anterior area when it will be rehabilitated.

关键词： esthetic zone Zirconia Class B Defect of Allen

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