مجله دانشکده دندان‌پزشکی اصفهان

بررسی اثر دو تکنیک بلیچینگ بر بهبود رنگ کامپوزیت رزین تغییر رنگ یافته با دهانشویه‌ی کلرهگزیدین 0/2 درصد

نوع مقاله : مقاله‌های پژوهشی

چکیده

مقدمه: تغییر رنگ ترمیم‌های کامپوزیت رزین، منجر به نارضایتی بیماران می‌شود. دهانشویه‌ی کلرهگزیدین، یکی از موادی است که موجب تغییر رنگ قابل مشاهده‌ی کامپوزیت رزین‌ها می‌شود. هدف این مطالعه، بررسی و مقایسه‌ی میزان اثربخشی دو روش بلیجینگ خانگی و بلیچینگ استریپ بر نمونه‌های کامپوزیت رزین تغییر رنگ یافته با کلرهگزیدین 0/2 درصد بود.
مواد و روش‌ها: در این مطالعه‌ی مداخله‌ای، تعداد 24 نمونه دیسک مانند از جنس کامپوزیت رزین Charisma Diamond ساخته شد. رنگ اولیه‌ی نمونه‌ها با استفاده از سیستم CIELab در اسپکتروفتومتر اندازه‌گیری شد. نمونه‌ها به مدت 2 هفته و 2 بار در روز و هر بار به مدت یک دقیقه در دهانشویه‌ی کلرهگزیدین 0/2 درصد قرار گرفتند. رنگ نمونه‌ها مجدداً اندازه‌گیری شد. نمونه‌ها به 3 گروه (8 = n) تقسیم شدند. یک گروه به عنوان گروه شاهد در آب مقطر قرار گرفت. دو گروه بعدی تحث تأثیر بلیچینگ خانگی با ژل کارباماید پروکساید ۲۰ درصد و استریپ Crest 3D white luxe قرار گرفتند. رنگ نمونه‌ها برای آخرین بار اندازه‌گیری شد. داده‌ها با استفاده از ANOVA One-way آنالیز شدند (سطح معنی‌داری 0/05 = α).
یافته‌ها: میزان l، a و b در همه‌ی گروه‌ها با دهانشویه‌ی کلرهگزیدین افزایش یافت. البته تفاوت معنی‌دار آماری بین گروه‌ها مشاهده نشد (0/05 < P). پس از استفاده از تکنیک‌های بلیچینگ بر نمونه‌های رنگ گرفته توسط کلرهگزیدین 0/2 درصد میزان l، a و b کاهش یافت و تفاوت بین گروه‌ها از لحاظ آماری معنی‌دار بود(0/05 > P).
نتیجه‌گیری: همه‌ی نمونه‌ها به وسیله‌ی دهانشویه‌ی کلرهگزیدین 0/2 درصد تغییر رنگ یافتند. پس از استفاده از تکنیک‌های بلیچینگ، میزان بازگشت رنگ در بلیچینگ خانگی و بلیچینگ استریپ بیشتر از گروه شاهد بود.
کلیدواژه‌ها: تغییر رنگ دندان؛ کامپوزیت رزین؛ دهانشویه‌ی کلرهگزیدین؛ بلیچینگ

عنوان مقاله [English]

Evaluation of the Effect of Two Bleaching Techniques on Color Improvement Resin Composite Restorations Discolored by %0.2 Chlorhexidine

چکیده [English]

Introduction: Discoloration of resin composite restorations cause patient dissatisfaction. Chlorhexidine mouthwash is an agent that causes significant discoloration of resin composite. The aim of this study was to investigate and compare the effectiveness of two methods of home bleaching and strip bleaching on resin composite samples that are discolored by 0.2% chlorhexidine. Materials and Methods: In this in-vitro experimental study number of 24 disc-shaped samples were fabricated from Charisma Diamond resin composite. The initial color of samples was measured by CIE Lab system in spectrophotometer. The samples were immersed in the 0.2% chlorhexidine mouthwash for 2 weeks twice a day for 1 minute each time. The color of the samples was measured again. Samples were divided into 3groups (n = 8). One group was placed in distilled water as the control group. The next two groups were exposed to the effects of home bleaching with 20% carbamide peroxide gel and Crest 3D white luxe white strip. The color of the samples was measured for the last time. Data were analyzed with One-way ANOVA (α = 0.05). Results: The amount of l, a and b increased by 0.2% chlorhexidine mouthwash in all groups. However, no statistically significant difference was observed between the groups (p value > 0.05). After using bleaching techniques on samples were discolored by 0.2% chlorhexidine mouthwash, l, a and b decreased and the difference between the groups was statistically significant (p value < 0.05). Conclusion: All of the samples were discolored by 0.2% chlorhexidine mouthwash. After using the bleaching techniques, the rate of color return in home bleaching and strip bleaching was higher than the control group. Keywords: Tooth discoloration; Composite resins; Mouthwashes; Chlorhexidine; Bleaching 

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مجله دانشکده دندان‌پزشکی اصفهان
دوره 19، شماره 1 - شماره پیاپی 1
خرداد 1402
صفحه 28-35