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DİŞHEKİMLİĞİNDE DİREKT DİJİTAL RADYOGRAFİ

Journal Name:

  • Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

Publication Year:

  • 1999

Key Words:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
Basic component s of direct digital imaging systems are a conventional x-ray machine, a receptor, a computer with dedicated software and ve monitor. The receptor used is a scintillator-based charge coupled device or radiation-hardened charge coupled device or a storage-phosphor screen. Very low dose of radiation is necessary for imaging and this image can be viewed on the screen in a few seconds. Controst enhancement, inverse image, rotation, zoom, magnification and pseudocolouring are some facilities of the DDI systems. The studies showed that these systems will replace conventional x-ray imaging in the future.
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Abstract (Original Language): 
Direkt dijital görüntüleme sistemleri kısaca konvansiyonel bir röntgen cihazı, film yerine kullanılan bir alıcı ve uygun yazılıma sahip bir bilgisayar ve bir monitörden oluşur. Bu cihazların alıcıları ya sintillatör esaslı charge coupled device (CCD) ya da radyasyona karşı sertleştirilmiş charge coupled device veya depo fosfor screendir. Bu sistemlerin en önemli özellikleri çok az radyasyon dozu gerektirmesi ve görüntünün çok kısa bir süre içinde bilgisayar ekranına gelebilmesidir. Ayrıca görüntüler üzerinde kontrast ayarlaması inverse görüntü alma, rotasyon, büyütme, zoom ve renklendirme yapmak mümkündür. Yapılan çalışmalar diagnostik özelliklerin çoğunlukla D- ve E-speed filmle kıyaslanabilir düzeyde olduğunu göstermiştir. DDR sistemlerinin görüntüleme yöntemi olarak konvansiyonel radyografinin yerini alması, mümkün ve önerilebilir görünmektedir.
FULL TEXT (PDF): 
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  • 1
78-84
  • Turkish

REFERENCES

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