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직접 및 간접 디지털 인상을 병용한 임시 의치 제작 증례

Combined use of direct and indirect digital impression in temporary denture fabrication

  • 박지수 (경북대학교 치과대학 치과보철학교실) ;
  • 이청희 (경북대학교 치과대학 치과보철학교실) ;
  • 이규복 (경북대학교 치과대학 치과보철학교실) ;
  • 이두형 (경북대학교 치과대학 치과보철학교실) ;
  • 유현지 (경북대학교 치과대학 치과보철학교실) ;
  • 김소연 (경북대학교 치과대학 치과보철학교실)
  • Ji-Su Park (Department of Prosthodontics, School of Dentistry, Kyungpook National University) ;
  • Cheong-Hee Lee (Department of Prosthodontics, School of Dentistry, Kyungpook National University) ;
  • Kyu-Bok Lee (Department of Prosthodontics, School of Dentistry, Kyungpook National University) ;
  • Du-Hyeong Lee (Department of Prosthodontics, School of Dentistry, Kyungpook National University) ;
  • Hyun-Ji Yu (Department of Prosthodontics, School of Dentistry, Kyungpook National University) ;
  • So-Yeun Kim (Department of Prosthodontics, School of Dentistry, Kyungpook National University)
  • 투고 : 2024.05.02
  • 심사 : 2024.05.23
  • 발행 : 2024.08.31

초록

구강 스캐너를 통해 구내 스캔 인상을 획득하여 보철물을 만들 수 있으며 이는 유치악 뿐 아니라 무치악 환자에서도 시도되고 있다. 그러나 무치악 부위는 치아 부위보다도 인상채득이 까다로우며 특히 변연부의 인상채득은 스캔의 한계가 있다. 한편 구강 스캐너를 통한 인상채득 시에는 상하악의 인상채득과 동시에 악간관계를 동시에 채득하여 환자의 내원 횟수를 줄일 수 있어 저작의 회복을 더 빠른 시일 내에 이룰 수 있다는 장점이 있다. 이에 본 증례에서는 구강 내의 직접스캔과 전통적 인상채득 후 얻은 모형의 간접 디지털 인상을 이어서 중합하는 방식으로 양측의 장점을 얻고자 하였다. 결과적으로 부분 무치악으로 저작을 상실한 환자에게 직간접 디지털 모형 인상채득을 통해 효과적으로 임시의치를 제공하여 이를 보고하고자 한다.

Through the use of intraoral scanners, it is possible to obtain intraoral scan impressions and produce prostheses. This approach is also being attempted not only in dentate patients but also in edentulous patients. However, obtaining scans of edentulous areas can be more challenging than scanning dental areas, and there may be limitations, especially in capturing the details of the mucosal tissues. On the other hand, when obtaining impressions with intraoral scanners, simultaneous recording of the occlusal relationship of the maxilla and mandible can reduce the number of patient visits and expedite the restoration process. In this case, we aimed to combine the advantages of direct intraoral scanning and indirect digital impressions obtained after traditional impression-taking by merging two types of scan files. Consequently, in patients with partially edentulous arches, we sought to provide effective interim prostheses through direct and indirect digital model impressions and report our findings accordingly.

키워드

과제정보

This work was supported by Kyungpook national University Dental Hospital Institute for Dental Research (2022).

참고문헌

  1. Abad-Coronel C, Valdiviezo OP, Naranjo OB. Intraoral scanning devices applied in fixed prosthodontics. Acta Sci Dent Sci 2019;3:44-51.
  2. Sawase T, Kuroshima S. The current clinical relevancy of intraoral scanners in implant dentistry. Dent Mater J 2020;39:57-61. https://doi.org/10.4012/dmj.2019-285
  3. Alghazzawi TF. Advancements in CAD/CAM technology: Options for practical implementation. J Prosthodont Res 2016;60:72-84. https://doi.org/10.1016/j.jpor.2016.01.003
  4. Tabesh M, Nejatidanesh F, Savabi G, Davoudi A, Savabi O, Mirmohammadi H. Marginal adaptation of zirconia complete-coverage fixed dental restorations made from digital scans or conventional impressions: A systematic review and meta-analysis. J Prosthet Dent 2021;125:603-10. https://doi.org/10.1016/j.prosdent.2020.01.035
  5. Skinner EW, Chung P. The effect of surface contact in the retention of a denture. J Prosthet Dent 1951;1:229-35. https://doi.org/10.1016/0022-3913(51)90055-8
  6. D'Ambrosio F, Giordano F, Sangiovanni G, Di Palo MP, Amato M. Conventional versus Digital Dental Impression Techniques: What Is the Future? An Umbrella Review. Prosthesis 2023;5:851-75. https://doi.org/10.3390/prosthesis5030060
  7. Al Hamad KQ, Al-Kaff FT. Trueness of intraoral scanning of edentulous arches: A comparative clinical study. J Prosthodont 2023;32:26-31. https://doi.org/10.1111/jopr.13597
  8. Patzelt SB, Vonau S, Stampf S, Att W. Assessing the feasibility and accuracy of digitizing edentulous jaws. J Am Dent Assoc 2013;144:914-20. https://doi.org/10.14219/jada.archive.2013.0209
  9. Chebib N, Imamura Y, El Osta N, Srinivasan M, Muller F, Maniewicz S. Fit and retention of complete denture bases: Part II - conventional impressions versus digital scans: A clinical controlled crossover study. J Prosthet Dent 2024;131:618-25. https://doi.org/10.1016/j.prosdent.2022.07.004
  10. Fang Y, Fang JH, Jeong SM, Choi BH. A Technique for Digital Impression and Bite Registration for a Single Edentulous Arch. J Prosthodont 2019;28:e519-23. https://doi.org/10.1111/jopr.12786
  11. Goldstein GR. An alternative immediate complete denture impression technique. J Prosthet Dent 1992;67:892-3. https://doi.org/10.1016/0022-3913(92)90611-D
  12. Abad-Coronel C, Atria PJ, Romero Munoz C, Conejo J, Cordova NM, Pendola M, Blatz M. Analysis of the mesh resolution of an .STL exported from an intraoral scanner file. J Esthet Restor Dent 2022;34:816-25. https://doi.org/10.1111/jerd.12889
  13. Vecsei B, Joos-Kovacs G, Borbely J, Hermann P. Comparison of the accuracy of direct and indirect three-dimensional digitizing processes for CAD/CAM systems - An in vitro study. J Prosthodont Res 2017;61:177-84. https://doi.org/10.1016/j.jpor.2016.07.001
  14. Lai JY, Ueng WD, Yao CY. Registration and data merging for multiple sets of scan data. Int J Adv Manuf Technol 1999;15:54-63. https://doi.org/10.1007/s001700050039
  15. Ren S, Morton D, Lin WS. Accuracy of virtual interocclusal records for partially edentulous patients. J Prosthet Dent 2020;123:860-5. https://doi.org/10.1016/j.prosdent.2019.08.013
  16. Edher F, Hannam AG, Tobias DL, Wyatt CCL. The accuracy of virtual interocclusal registration during intraoral scanning. J Prosthet Dent 2018;120:904-12. https://doi.org/10.1016/j.prosdent.2018.01.024
  17. Cha C, Pyo SW, Chang JS, Kim S. Digital mounting accuracy of 2 intraoral scanners with a single anterior or bilateral posterior occlusal scan: A threedimensional analysis. J Prosthet Dent 2023;130:612.e1-8. https://doi.org/10.1016/j.prosdent.2023.03.003
  18. Yee SHX, Esguerra RJ, Chew AAQ, Wong KM, Tan KBC. Three-Dimensional Static Articulation Accuracy of Virtual Models-Part II: Effect of Model Scanner-CAD Systems and Articulation Method. J Prosthodont 2018;27:137-44. https://doi.org/10.1111/jopr.12725
  19. Ries JM, Grunler C, Wichmann M, Matta RE. Three-dimensional analysis of the accuracy of conventional and completely digital interocclusal registration methods. J Prosthet Dent 2022;128:994-1000. https://doi.org/10.1016/j.prosdent.2021.03.005