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Comparison of the accuracy of digital impressions and traditional impressions: Systematic review
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디지털 인상법과 전통적 인상법의 정확도 비교: 체계적 고찰

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Type
Academic journal
Author
Journal
The Korean Academy Of Prosthodontics 대한치과보철학회지 대한치과보철학회지 제56권 제3호 KCI Accredited Journals
Published
2018.1
Pages
258 - 268 (11page)

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Comparison of the accuracy of digital impressions and traditional impressions: Systematic review
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Purpose: This study systematically examines literatures on the suitability of prostheses and accuracy of obtained impressions to see if digital impressions using intraoral scanners can replace traditional impressions. Materials and methods: A MEDLINE/PubMed search and manual search was performed for studies written in English about accuracy of digital impression published in dental journals from August 1, 1997, to July 31, 2017. Depending on criteria, the data for the selected articles were independently organized into standardized spreadsheets by 2 reviewers. Results: Among the total 35 studies met the inclusion criteria, there were 26 studies comparing the suitability of prostheses, and 9 studies comparing the accuracy of impressions through scan data without prostheses. Most studies used prostheses to compare the accuracy of impression techniques. Conclusion: This review suggests that making single crown or mesio-distally short prostheses with digital impressions is clinically reliable in natural teeth. However, there is still a limit to making mesio-distally long prostheses with digital impressions from the lack of related studies. Digital impression cannot fully replace traditional impressions in implant prostheses yet.

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