• Title/Summary/Keyword: 구강방사선스텐트

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Radiation prosthetic stents applied to oral cancer patients during the radiation therapy: case reports (효율적 방사선요법을 위한 구강 방사선스텐트의 적용: 증례보고)

  • Nam, Ki Young
    • Journal of Dental Rehabilitation and Applied Science
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    • v.36 no.4
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    • pp.282-288
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    • 2020
  • Radiation prosthetic stent is defined as the customized oral devices which serve for an efficient administration of radiation dose to the affected areas or a minimizing the unnecessary irradiation to surrounding normal tissues during maxillofacial cancer radiotherapy. Since the use of stents is individualized, a close collaboration among radiotherapist, surgeon and prosthodontist is essential thereby which helps in limiting the post-therapy morbidity as well as the stable oral rehabilitation. In this report, two customized stents (bolus carrier and tongue depressing) were fabricated and applied to patient undergone irradiation for soft palate and tongue carcinoma selectively. Multidisciplinary approach can be a proper strategy and recommended for control the sequel of post-irradiation.

Quantitative evaluation of cortical bone and soft tissue thickness in the mandible (하악 피질골과 연조직의 해부학적 두께를 위한 정량적 평가)

  • Lee, Soo-Kyung;Chun, Youn-Sic;Lim, Won-Hee
    • The korean journal of orthodontics
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    • v.37 no.3 s.122
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    • pp.212-219
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    • 2007
  • Objective: The purpose of this study was to provide an anatomical reference for cortical bone and soft tissue thickness, and the attached gingiva width in the mandible. Methods: Fifteen males and fifteen females participated in this study. An acrylic template was fabricated and the radiopaque markers were bonded on the estimated alveolar crest to take measurements of the hard and soft tissue thickness at the same locations. CT images were taken in samples wearing an acrylic template. Cortical bone and soft tissue thickness were measured at 2, 4, 6 and 8 mm from the alveolar crest in interradicular spaces from central incisor to first permanent molar. The attached gingival width was calibrated. Results: Cortical bone thickness was $1.33{\pm}0.38mm$ and soft tissue thickness was $1.49{\pm}0.54mm$. Cortical bone thickness was increased in the posterior area, while it was not the case for the soft tissue thickness. In addition, the total thickness was $2.82{\pm}0.70$. The attached gingival width was wider in the anterior area compared to that in posterior area. Conclusion: These results suggest that the attached gingiva width should be considered upon placement of mini-implants in the mandibular posterior area for orthodontic anchorage.

Implant Supported Fixed Restoration for Maxillary Edentulism using CAD/CAM Guided Implant Surgery (NobelGuide$^{TM}$) and Immediate Loading (상악 완전 무치악 환자의 CAD/CAM 을 이용한 임플란트 식립(NobelGuide$^{TM}$) 및 즉시하중 후 고정성 보철수복 증례)

  • Huh, Yoon-Hyuk;Yi, Yang-Jin;Kim, Dae-Gon;Cho, Lee-Ra;Park, Chan-Jin
    • Journal of Dental Rehabilitation and Applied Science
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    • v.28 no.4
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    • pp.423-439
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    • 2012
  • This case report described a technique utilizing a computer-aided design (CAD)/computer-aided machining (CAM) - guided surgical implant placement and prefabricated temporary fixed prosthesis for an immediately loaded restoration. The advantages of CAD/CAM guided implant procedures are flapless, minimally invasive surgery and shorter surgery time. With this technique, less postoperative morbidity and delivery of prosthesis for immediate function would be possible. A patient with an edentulous maxilla received 8 implants in maxilla using CAD/CAM surgical templates. Prefabricated provisional maxillary implant supported fixed prosthesis were connected immediately after implant installation. Provisional prosthesis was evaluated for aesthetics, function during 6 months. Definitive implant supported fixed porcelain fused metal bridges were fabricated.

Reestablishing the occlusal plane in full mouth rehabilitation patient, using Shilla system (전악수복환자에서 Shilla system을 이용한 교합평면 재구성 증례)

  • Yang, Min-Soo;Vang, Mong-Sook;Park, Sang-Won;Lim, Hyun-Phil;Yun, Kwi-Dug;Yang, Hong-So
    • The Journal of Korean Academy of Prosthodontics
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    • v.51 no.1
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    • pp.33-38
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    • 2013
  • Occlusal plane is a sagittal expression of dental arch form, and it composes the shape of occlusion, which is one of the most important elements of Maxillo-oral system. In this case, vertical, horizontal coordinates of bionic-median-sagittal plane was produced in articulator, and to achieve relation of left and right position of upper, lower teeth and deficits in alveola, Shilla system was used to reconstruct occlusal plane. In this case, a 41 year-old male patient visited for fracture of 10 unit metal-ceramic fixed partial denture of upper anterior teeth and for overall treatment. Clinical, radiographical, model examination was held, full mouth rehabilitation was achieved by placing dental implant. Maxillo-oral relation was recorded using Gothic arch Tracer complex and were mounted. And for the next step, we estimated original occlusal plane using Shilla system. After analysis we produced diagnosis wax pattern. On the basis of this, radiography stent was manufactured and dental implant was placed, and temporary prosthesis was made by using diagnosis wax pattern. Cross mounting and anterior guiding table were performed in order to reproduce temporary restoration morphology and bite pattern, followed by final restoration made of all ceramic crown with zirconia coping. As stated above, appropriately esthetic and functional results can be seen in using Shilla system in diagnosis and treatment procedure of full mouth rehabilitation patient.