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Journals / Hacettepe Dişhekimliği Fakültesi Derg.(. Clinical Dentistry and Research) / 2006 / Cilt: 30 - Sayı: 2

Effect of light sources on color stability of composite resins

Kompozitlerin renk stabilitelerine ışık kaynaklarının etkisi

Çağrı URAL
Tolga KÜLÜNK
Y. Şinasi SARAÇ
Duygu SARAÇ
Şafak KÜLÜNK
Pages
77–82
Publication Date
2022-10-17
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Results: LED showed lower Ab values (p

📌 3 Key Takeaways

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Objective & Hypothesis:Introduction: The color change of the composite materials which are commonly used in restorative dentistry is one of the clinical problems.
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Key Findings & Data:Material and Method: From each three composi¬te resins, 5 specimens halogen light (QTH) and 5 specimens cured with a LED curing light, totally 30 specimens were prepared in 10mm diamension and 2mm thick.
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Conclusion & Impact:Results: LED showed lower Ab values (p
🔬Design:Research Article
📍Scope:5 specimens
⚙️Variables:Domain Parameters

Abstract

Introduction: The color change of the composite materials which are commonly used in restorative dentistry is one of the clinical problems. The intrin¬sic color change of the composite resins is related with their polymerization. For this reason, light sources which are used to polymerize the composite resins, are important. Aim: To investigate the effect of the polymerization with different light sources on the color stability of three different composite resins. Material and Method: From each three composi¬te resins, 5 specimens halogen light (QTH) and 5 specimens cured with a LED curing light, totally 30 specimens were prepared in 10mm diamension and 2mm thick. The specimens were aged by storing in water at 37 Co for 48 hours, boiling for 8 hours, and storing in water at 37 Co for 3 weeks. Before and after aging L*a*b* values were measured, and the differences of b* values (Ab) were calculated. Data were compared using Kruskal-Wallis Analysis of Variance (a=0.05) and Mann-Whitney U tests (a=0.01). Results: LED showed lower Ab values (p

Özet

Giriş: Restoratif dişhekimliğinde yaygın olarak kulla¬nılan kompozit rezin materyallerinde sıklıkla karşıla¬şılan problemlerden biri renk değişimidir. Kompozit rezinlerde oluşan iç renklenmeler materyalin polime-rizasyonu ile ilişkilidir. Bu nedenle polimerizasyonda kullanılan ışık kaynağı önem kazanmaktadır. Amaç-. Farklı ışık kaynakları ile polimerizasyon işle¬minin üç farklı yapıdaki kompozitin renk stabilitesi üzerindeki etkisini incelemektir. Gereç ve Yöntem: Üç farklı kompozitten 10 x 2 mm ebatında 5'er örnek halojen ışık kaynağı (QTH) ve 5'er örnek LED ışık kaynağı kullanılarak toplam 30 örnek hazırlandı. Örnekler 37 QC suda 48 saat bekletme, 8 saat suda kaynatma ve 37 2C suda 3 hafta bekletme yöntemleri kullanılarak yaşlandırıldı. Yaşlandırma işleminden önce ve sonra L*a*b* değer¬leri kolorimetre ile ölçüldü ve b* değerindeki farklı¬lıklar (Ab) hesaplandı. Ab değerleri Kuruskal-Wallis Varyans Analizi (oc=0.05) ve Mann-Whitney U testleri ile karşılaştırıldı (a=0.01). Bulgular: LED ile daha yüksek negatif Ab değerleri bulundu (p

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Cite This Article

URAL, Ç., KÜLÜNK, T., SARAÇ, Y. Ş., SARAÇ, D., KÜLÜNK, Ş. (2022). Effect of light sources on color stability of composite resins. Hacettepe Dişhekimliği Fakültesi Derg.(. Clinical Dentistry and Research), Cilt: 30 - Sayı: 2, 77–82. https://ajindex.com/articles/528469

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References (17)

  1. Janda R, Roulet JF, Kaminsky M, Steffin G, Latta M. Color stability of resin matrix restorative materials as a function of the method of light activation. Eur J Oral Sci. 2004;112:280-285
  2. Halvorson RH, Erickson RL, Davidson CL. Polymerization efficiency of curing lamps: a universal energy conversion relationship predictive of conversion of resin-based composite. Oper Dent. 2004; 29:105-111
  3. Yoon TH, Lee YK Lim BS, Kim CW. Degree of polymerization of resin composites by different light sources. J Oral Rehabil. 2002;29:1165-1173
  4. Shintani H, Yamaki M, Inoue T. Analysis of camphorquinone in visible light-cured composite resins. Dent Mater. 1985;1:124-126
  5. Dayangaç B. Kompozit rezin restorasyonlar. Güneş Kitabevi. 2000 Ank
  6. Uchida H, Vaidyanathan J, Viswanadhan T, Vaidyanathan TK. Color stability of dental composites as a function of shade. J Prosthet Dent. 1998;79:372-377
  7. Kim HS, Um CM. Color differences between resin composites and shade guides. Quintessence Int. 1996;27:559-567
  8. Akaltan F, Keskin Y, Özkan Y. Kompozit rezinlerde görünür ışıkla polimerizasyonun renk değişikliğine etkisi. AÜ Diş Hek Fak Derg. 1999;6:281-287
  9. Okubo SR, Kanawati A, Richards MW, Childress S. Evaluation of visual and instrument shade matching. J Prosthet Dent. 1998;80:642-648
  10. Ernst CP, Meyer GR, Muller J, Stender E, Ahlers O, Willershausern B. Depth of cure of LED vs QTH light- curing devices at a distance of 7 mm. J Adhesive Dent. 2004;6:141-150
  11. Nomoto R, McCabe JF, Hirano S. Effect of aperture size on irradiance of Led curing units. Dent Mater. 2004;20:687- 692
  12. Tsai PC, Meyers I A, Walsh LJ. Depth of cure and surface microhardness of composite resin cured with blue LED curing lights. Dent Mater. 2004;20:364-369
  13. Üşümez A, Öztürk AN, Üşümez S, Öztürk B. The efficiency of different light sources to polymerize resin cement beneath porcelain laminate veneers. J Oral Rehabil. 2004;31:160-165
  14. Stahl F, Ashworth SH, Jandt KD, Mills RW. Light- emitting diode (LED) polymerisation of dental composites: flexural properties and polymerisation potential. Biomater. 2000;21:1379-1385
  15. Mills RW, Jandt KD, Ashworth SH. Dental composite depth of cure with halogen and blue light emitting diode technology. Br Dent J. 1999; 186:388-391
  16. Soh MS, Yap AU, Siow KS. Comparative depths of cure among various curing light types and methods. Oper Dent. 2004;29:9-15
  17. Bennett AW, Watts DC. Performance of two blue light- emitting-diode dental light