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논문 기본 정보

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학술저널
저자정보
Nawaf Labban (Department of Prosthetic Dental Sciences College of Dentistry King Saud University Riyadh Saudi) Mohammad Al Amri (Department of Prosthetic Dental Sciences College of Dentistry King Saud University Riyadh Saudi) Saleh Alhijji (Indiana University School of Dentistry Indianapolis IN USA) Sarah Alnafaiy (Department of Prosthetic Dental Sciences College of Dentistry King Saud University Riyadh Saudi) Afnan Alfouzan (Department of Prosthetic Dental Sciences College of Dentistry King Saud University Riyadh Saudi) Mounir Iskandar (Private Practice at Radiance Dentistry Irving TX USA) Sabrina Feitosa (Indiana University School of Dentistry Indianapolis IN USA)
저널정보
대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제13권 제1호
발행연도
2021.1
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1 - 11 (11page)

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PURPOSE. The study compared the color change, lightness, and translucency of hybrid resin ceramics exposed to toothbrush abrasion and surface treatment. MATERIALS AND METHODS. Four hybrid ceramics [Lava Ultimate (LU), Vita Enamic (EN), Shofu HC (SH), and Crystal Ultra (CU)] were compared with a glass-ceramic (Vita Mark II) control. One hundred and twenty specimen blocks were prepared using a precision saw machine. Specimens in each material were divided into four subgroups based on the surface treatment (polishing or staining) and a storage medium (water or citric acid). Simulated tooth brushing with a mixture of 100 RDA (radioactive abrasives) with 0.3 ml distilled water was used for 3650 cycles (7300 strokes) for each specimen. Measurements for the color change, lightness, and translucency were measured after toothbrushing using a spectrophotometer. Statistical analysis compared outcomes using paired t-test, ANOVA, and Tukey post hoc test. RESULTS. The maximum color change was identified in SH (stained acid) [1.44 (0.40)], whereas the lowest was identified in EN (polished water) [0.66 (0.16)] material. The maximum and minimum loss of surface translucency was observed in SH (polished water) [12.3 (0.52)] and EN (stained acid) [6.5 (0.55)] specimens, respectively. Lastly, loss of lightness was the highest in VM (polished acid) [69 (0.95)], whereas the lowest was observed in CU (stained water) [56.7 (0.86)]. CONCLUSION. The comparison presented a significant effect of toothbrush abrasion on translucency and lightness of the hybrid resin ceramics. Color change was not significantly influenced irrespective of the storage medium employed. Surface staining demonstrated the preservation and stability of color and optical properties under the influence of toothbrush abrasion and chemical trauma.
#Hybrids #Ceramic #Dental abrasion #Stains #Dental esthetic

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참고문헌 (28)

참고문헌 신청
Almeida JR / 2015 / Resin-based luting agents and color stability of bonded ceramic veneers / J Prosthet Dent 114:272~277 google schola Silami FD / 2016 / Influence of different types of resin luting agents on color stability of ceramic laminate veneers subjected to accelerated artificial aging / Brazilian Dent J 27:95~100 google schola Vohra F / 2019 / Influence of Er;Cr : YSGG laser on shear bond strength and color stability of lithium disilicate ceramics : an in vitro study / Photobiomodul Photomed Laser Surg 37:483~488 google schola Sebnem Ulviye Buyukkaplan / 2017 / Effects of staining liquids and finishing methods on translucency of a hybrid ceramic material having two different translucency levels / The Journal of Advanced of Prosthodontics 9(5):387~393 dbpia Vichi A / 2014 / Translucency of ceramic materials for CEREC CAD/CAM system / J Esthet Restor Dent 26:224~231 google schola

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