journal of research in dental sciences
مجله تحقیق در علوم دندانپزشکی
J Res Dent Sci
Medical Sciences
http://jrds.ir
1
admin
2008-4676
2228-7353
8
10.61186/jrds
14
13
fa
jalali
1393
4
1
gregorian
2014
7
1
11
2
online
1
fulltext
fa
بررسی اثر قهوه بر تغییر رنگ سه نوع کامپوزیت نانو- مطالعه آزمایشگاهی
Effect of Coffee on Color Discoloration of Three Nano Composites(in vitro)
جراحی-
oral surgery
مطالعه اصیل
original article
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<h5 dir="rtl" style="margin: 0cm 0cm 0pt text-align: justify line-height: 115% unicode-bidi: embed direction: rtl -ms-text-justify: kashida text-kashida: 0%"><b><span 11pt="" :="" b="" dir="rtl" face="Times New Roman" font="" font-size:="" h5="" lang="AR-SA" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times="">سابقه و هدف:</span></b><span 11pt="" b="" font-size:="" lang="AR-SA" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" span="" style="font-family: " times=""><font size="3">یکی ازمهمترین عوامل تاثیر گذار در موفقیت ترمیم­های کامپوزیت ثبات رنگ آنها در طول زمان می باشد. تغییر رنگ کامپوزیتها می تواند سبب</font><span style="mso-spacerun: yes"><font face="B Nazanin" size="3"> </font></span><font size="3">نارضایتی بیمار و در درازمدت منجر به شکست درمان شود. با توجه به تناقضات و خلا اطلاعاتی در این زمینه </font></span><span lang="AR-SA"><font face="Times New Roman" size="3">‚</font></span><span b="" dir="rtl" face="Times New Roman" font="" h5="" lang="AR-SA" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""><font size="3">مواد و روش ها:</font></span><span 30="" b="" dir="ltr" en-us="" font="" lang="AR-SA" minor-latin="" mso-ansi-language:="" mso-ascii-font-family:="" mso-ascii-theme-font:="" mso-bidi-font-family:="" mso-hansi-font-family:="" mso-hansi-theme-font:="" new="" roman="" size="3" span="" style="font-family: " times=""><font size="3">/</font></span><span b="" dir="ltr" en-us="" minor-latin="" mso-ansi-language:="" mso-ascii-theme-font:="" mso-bidi-font-family:="" mso-hansi-theme-font:="" style="font-family: "><font size="3">5</font></span><span 2="" 3m="" b="" dir="ltr" face="Times New Roman" font="" herculite="" lang="AR-SA" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times="" xrv="" z350=""><font size="3">رنگ</font></span><span dir="ltr" style="font-size: 10pt mso-ansi-language: EN-US mso-fareast-language: EN-US"><font face="Times New Roman">A2</font></span><span b="" calibri="" fa="" font="" lang="AR-SA" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""><font size="3"> (10 نمونه هرنوع کامپوزیت به دو گروه 5 تایی برای نگهداری در قهوه و آب مقطرتقسیم شدند). نمونه ها برای 72 ساعت در محلول های مورد نظر قرار گرفتند. رنگ سنجی نمونه ها قبل و بعد از قرارگیری در محلول ها توسط دستگاه اسپکتروفتومتر</font></span><span b="" dir="ltr" lang="AR-SA" mso-ansi-language:="" mso-bidi-font-family:="" style="font-family: "><font size="3"> </font></span><span b="" calibri="" dir="ltr" fa="" face="Calibri" font="" lang="AR-SA" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-font-family:="" mso-bidi-language:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""><span style="mso-spacerun: yes"><font face="B Nazanin" size="3"> </font></span><font size="3">نتایج</font><span style="mso-spacerun: yes"><font face="B Nazanin" size="3"> </font></span><font size="3">توسط آزمون</font></span><br>
<span b="" dir="ltr" mso-ansi-language:="" mso-bidi-font-family:="" style="font-family: "><font size="3"> </font></span><font face="Times New Roman"><span dir="ltr" style="font-size: 10pt mso-ansi-language: EN-US mso-fareast-language: EN-US">two way ANOVA</span><span lang="AR-SA" style="font-size: 10pt mso-ansi-language: EN-US mso-fareast-language: EN-US"><span style="mso-spacerun: yes"><font size="2"> </font></span></span></font><span b="" dir="rtl" face="Times New Roman" font="" h5="" lang="AR-SA" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""><font size="3">یافتهها:</font></span><span 1="</font" b="" calibri="" dir="rtl" fa="" face="Times New Roman" font="" h5="" lang="AR-SA" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""><font size="3">نتیجه گیری: </font></span><span lang="AR-SA" style="font-family: " b="" nazanin"="" mso-ascii-font-family:="" "times="" new="" roman="" bold"="" mso-hansi-font-family:="" bold""=""><font size="3">هر سه نوع کامپوزیت مورد مطالعه در این تحقیق در قهوه دچار تغییر رنگ شدند که از نظر کلینیکی قابل قبول نبود.</font></h5>
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<p style="margin: 0cm 0cm 0pt text-align: justify line-height: normal mso-pagination: none mso-outline-level: 1"><b><span font-size:="" new="" style="font-family: " times="">Abstract:</span></b></p>
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<p style="margin: 0cm 0cm 0pt text-align: justify line-height: normal mso-pagination: none tab-stops: 73.7pt"><b><span 10pt="" font-size:="" mso-bidi-language:="" new="" style="font-family: " times=""> </span></b></p>
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<p style="margin: 0cm 0cm 10pt text-align: justify"><b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 115% font-family: " times="">Background and Aim:</span></b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 115% font-family: " times=""> One of the major influential factors in the success of composite restorations is color stability over time. Discoloration of composite restorations can result in<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>patient dissatisfaction and treatment failure in the long term. Lack of adequate information and contradictory reports regarding this issue lead to the current study which was performed to evaluate the effects of coffee on discoloration of three nanocomposites using spectrophotometry method.<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span></span></p>
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<p style="margin: 0cm 0cm 10pt text-align: justify"><b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 115% font-family: " times="">Materials and Methods</span></b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 115% font-family: " times="">: In this experimental study, 30 disc-shaped specimens (8.5×2mm) of three composite brands (Z350 XT (3M ESPE), Grandio (VOCO, Germany) and Herculite XRV Ultra (Kerr Co., USA) were prepared.<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>All specimens were of A2 shade.<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>Ten samples<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>of each brand were divided into two subgroups,<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>5 to be stored in coffee and 5 in distilled water for 72 hours. Color measurements were obtained using a Spectrophotometer before and after immersion in solutions. The two-way ANOVA test was used to evaluate the results.</span></p>
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<p style="margin: 0cm 0cm 10pt text-align: justify"><b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 115% font-family: " times="">Results:</span></b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 115% font-family: " times=""> All composite samples immersed in coffee<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>showed significant discoloration compared to baseline values (P<0.05). Discoloration in samples immersed in distilled water was not significant compared to baseline (P>0.05).<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>The difference in composite discoloration within the three sample groups immersed in coffee was significant (p=0.0001), however, no significant difference in discoloration was reported within sample groups immersed in distilled water (p=0.1).</span></p>
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<p style="margin: 0cm 0cm 10pt text-align: justify"><b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 115% font-family: " times="">Conclusion: </span></b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 115% font-family: " times="">Based on the results of this study,<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>some degree of discoloration was reported in all three composite brands immersed in coffee. The degree of discoloration was clinically unacceptable.<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span></span></p>
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اسپکتروفتومتر,رنگ پذیری, تغییر رنگ,کامپوزیت
Spectrophotometer, Stainability, Discoloration, Composite
89
95
http://jrds.ir/browse.php?a_code=A-10-791-9&slc_lang=fa&sid=1
F
Mahdisiar
فرناز
مهدی سیر
10031947532846009757
10031947532846009757
No
N
Nasoohi
نگین
نصوحی
10031947532846009758
10031947532846009758
No
S
Nematianaraki
سعید
نعمتی انارکی
10031947532846009759
10031947532846009759
No
A
Ghafari Seresht
آرش
غفاری سرشت
10031947532846009760
10031947532846009760
No
M
Sedighi
مهزاد
صدیقی
sedighi_mahzad@yahoo.com
10031947532846009761
10031947532846009761
Yes