Comparison of the image quality of digital and conventional dental film

doi:10.3877/cma.j.issn.1674-1366.2007.02.016

Abstract

Abstract:

Objective

To study the image quality of digital dental X-ray film.

Methods

25 sheets of conventional dental X-ray films and digital dental X-ray films were randomly selected from anterior teeth area， bicuspid area and molar area，respectively. The distinctness of dental root and periodontal structure were evaluated. Student t-test was performed to analyze the data.

Results

All the tooth-root and periodental structures on film-based X-ray image were shown clearly. In digital dental X-ray images the tooth-root and periodental structures of anterior teeth were clear however， the rootcanal and periodontal structure of the middle 1/3 of root of bicuspid area and molar area were blur.Sirona digital dental image could distinctly demonstrate the root and periodontal structures of lower molar area. Sopro digital dental image couldn't clearly show the root-canal and periodontal structure of the middle 1/3 of root of lower molar area.

Conclusion

The quality of digital dental images in anterior region was satisfactory， but the images in postierior region area couldn't fully meet the requirnent of clinical diagnosis and treatment.

Key words: Comparative study, Dental, Digital/instrumentation

Dong-lin ZENG, Yi-xiong WEN, Min-yi CUI, Zhi-ping TU. Comparison of the image quality of digital and conventional dental film[J]. Chinese Journal of Stomatological Research(Electronic Edition), 2007, 01(02): 119-121.

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URL: https://zhkqyxyjzz.cma-cmc.com.cn/EN/10.3877/cma.j.issn.1674-1366.2007.02.016

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References 13

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影像系统	前牙区		双尖牙区		磨牙区
影像系统	上颌	下颌	上颌	下颌	上颌	下颌
普通Ｘ光牙片	０.２５	０.２０	０.３２	０.２５	０.５０	０.３２
Ｓｉｒｏｎａ数字牙片	０.０５	０.０５	０.０８	０.０６	０.１０	０.０８
Ｓｏｐｒｏ数字牙片	０.０５	０.０５	０.０８	０.０６	０.１０	０.０８

影像系统	前牙区		双尖牙区		磨牙区
影像系统	上颌	下颌	上颌	下颌	上颌	下颌
普通Ｘ光牙片	０.２５	０.２０	０.３２	０.２５	０.５０	０.３２
Ｓｉｒｏｎａ数字牙片	０.０５	０.０５	０.０８	０.０６	０.１０	０.０８
Ｓｏｐｒｏ数字牙片	０.０５	０.０５	０.０８	０.０６	０.１０	０.０８

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