Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Diş Hekimliğinde Konvansiyonel ve Dijital Renk Seçim Yöntemlerinin Doğruluk ve Tekrarlanabilirlik Açısından Karşılaştırılması: Klinik Deney
Comparison of Conventional and Digital Shade Selection Methods in Terms of Accuracy and Repeatability in Dentistry: Clinical Trial
Onur AKDEMİRa , Şükriye Ece GEDUKa , Seda CENGİZb , Gaye SAĞLAMa
aZonguldak Bülent Ecevit Üniversitesi Diş Hekimliği Fakültesi, Protetik Diş Tedavisi AD, Zonguldak, Türkiye
bTürkiye Cumhuriyeti Viyana Büyükelçiliği Eğitim Müşavirliği, Viyana, Avusturya
Turkiye Klinikleri J Dental Sci. 2025;31(2):259-65
doi: 10.5336/dentalsci.2024-105980
Article Language: TR
Full Text
ÖZET
 Amaç: Çalışmanın amacı, diş hekimliğinde renk seçiminde kullanılan renk skalası, spektrofotometre ve ağız içi tarayıcı ile yapılan ölçümlerin doğruluğunu ve tekrarlanabilirliğini karşılaştırmaktır. Gereç ve Yöntemler: Çalışmaya, gönüllülük esasına bağlı olarak 194 diş hekimliği öğrencisi dâhil edildi. Katılımcıların üst sağ ön kesici dişlerinin renk ölçümleri, labial yüzeyinin orta 3'lü bölgesinden, görsel olarak renk skalası (Vita 3D Master) kullanılarak; enstrümantal olarak ise spektrofotometre (Vita Easyshade Advance 4.0) ve ağız içi tarayıcı (CEREC Omnicam AC) ile tek bir gözlemci tarafından gerçekleştirildi. Spektrofotometre ile yapılan ölçümler referans olarak kabul edildi. Farklı yöntemlerin tekrarlanabilirliği, her renk ölçüm tekniğinin 3 kez yapılması ile değerlendirildi. Bulgular: Üç yöntemin, renk ölçüm sonuçları arasında istatistiksel olarak anlamlı fark bulundu ve ağız içi tarayıcı ile elde edilen renk değerlerinin, görsel ve spektrofotometre yöntemlerinden farklı olduğu gözlendi (p<0,001). Spektrofotometre referans cihaz olarak kabul edildiğinde, doğruluklara göre renk ölçümlerinin dağılımları arasında istatistiksel farklılık görüldü (p<0,001). Tekrarlanabilirlik oranlarına göre renk ölçümlerinin dağılımları arasında istatistiksel fark bulunmuş olup, ağız içi tarayıcı ve spektrofotometre yöntemlerinin tekrarlanabilirliklerinin benzer ve görsel yöntemden yüksek olduğu görüldü (p<0,001). Sonuç: Görsel ve enstrümantal yöntemlerin bir arada kullanılması ile klinik açıdan renk seçiminde daha başarılı sonuçlar elde edilebilir. Renk seçim özelliğine sahip bir ağız içi tarayıcının kullanımı, spektrofotometre ve renk skalası ile yapılan renk ölçüm yöntemlerine alternatif olabilir.

Anahtar Kelimeler: Ağız içi tarayıcı; diş rengi; renk seçimi; renk skalası; spektrofotometre
ABSTRACT
 Objective: The aim of the study was to compare the accuracy and reproducibility of the shade guide, spectrophotometer and intraoral scanner used for shade selection in dentistry. Material and Methods: The study included 194 dental students on a voluntary basis. The color measurements of the upper right central incisor were taken from the middle 3rd of the labial surface using the visual color scale (Vita 3D Master); instrumentally, measurements were made with a spectrophotometer (Vita Easyshade Advance 4.0) and an intraoral scanner (CEREC Omnicam AC) by a single observer. The spectrophotometric measurements were used as a reference. Each measurement technique was performed 3 times to evaluate the reproducibility of different methods. Results: A statistically significant difference was found between the colour measurement results of the three methods. It was observed that the colour values obtained by the intraoral scanner were different from the visual and spectrophotometric methods (p<0.001). When the spectrophotometer was accepted as the reference device, a statistical difference was observed between the distributions of colour measurements according to accuracy (p<0.001). A statistical difference was found between the distributions of colour measurements according to repeatability rates, and it was observed that the repeatability of the intraoral scanner and spectrophotometer methods were similar and higher than the visual method (p<0.001). Conclusion: The combination of visual and instrumental methods may provide more successful results in clinical shade selection. The use of an intraoral scanner with shade selection tool may be an alternative to the spectrophotometer and shade guide methods.

Keywords: Intraoral scanner; tooth colour; shade selection; shade guide; spectrophotometer
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