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 استرس بر میزان آزاد سازی یون های فلزی در بزاق بیماران تحت درمان ارتودنسی ثابت
Effect of Stress on Metal ion Release in Saliva of Patients Treated with Fixed Orthodontic - A pilot study
جراحی-
oral surgery
مطالعه اصیل
original article
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<h5 dir="rtl" style="margin: 0cm 0cm 0pt text-align: justify unicode-bidi: embed direction: rtl"><b><span b="" dir="rtl" face="Times New Roman" font="" h5="" lang="AR-SA" mso-ascii-font-family:="" mso-bidi-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""><font size="3">سابقه و هدف:</font></span></b><span .="" 9pt="" b="" dir="ltr" face="Times New Roman" font="" font-size:="" lang="AR-SA" mso-ascii-font-family:="" mso-bidi-language:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times="">)</span><span 9pt="" b="" font="" font-size:="" lang="AR-SA" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""> (</span><span b="" dir="ltr" lang="X-NONE" style="font-size: 9pt mso-bidi-language: FA mso-bidi-font-family: "><font face="Times New Roman">Cr</font></span><span 9pt="" b="" font-size:="" lang="AR-SA" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" span="" style="font-family: " times=""><font size="3"> در بزاق بیماران تحت درمان دستگاه های ثابت ارتودنسی ترتیب داده شد</font></span><span b="" dir="ltr" mso-ansi-language:="" mso-bidi-font-family:="" style="font-family: "><font size="3">.</font></span></h5>
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<h5 dir="rtl" style="margin: 0cm 0cm 0pt text-align: justify unicode-bidi: embed direction: rtl"><b><span .="" 10="" 10pt="" :="" absorption="" atomic="" b="" calibri="" dir="rtl" fa="" face="Times New Roman" font="" font-size:="" h5="" hoc="" lang="AR-SA" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-font-family:="" mso-bidi-language:="" mso-hansi-font-family:="" new="" post="" quasi-clinical="" roman="" size="3" social="" span="" stress="" style="font-family: " times="" trier=""><font size="3">مقدار</font><span style="mso-spacerun: yes"><font face="B Nazanin" size="3"> </font></span><font size="3">یون </font></span><span b="" lang="FA" mso-bidi-language:="" style="font-family: "><font size="3">نیکل</font></span><span b="" face="Times New Roman" font="" lang="AR-SA" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""><font size="3">12/78 در </font></span><span b="" dir="ltr" lang="X-NONE" style="font-size: 9pt mso-bidi-language: FA mso-bidi-font-family: "><font face="Times New Roman">T1</font></span><span b="" face="Times New Roman" font="" lang="AR-SA" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""><font size="3">14/9 در </font></span><span b="" dir="ltr" lang="X-NONE" style="font-size: 9pt mso-bidi-language: FA mso-bidi-font-family: "><font face="Times New Roman">T3</font></span><span b="" dir="ltr" face="Times New Roman" font="" lang="AR-SA" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""><font size="3"> در مقایسه با </font></span><span b="" dir="ltr" lang="X-NONE" style="font-size: 9pt mso-bidi-language: FA mso-bidi-font-family: "><font face="Times New Roman">T1</font></span><span .="" b="" dir="ltr" face="Times New Roman" font="" lang="AR-SA" mso-ansi-language:="" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""><font size="3">مقدار یون کروم بزاق از</font><span style="mso-spacerun: yes"><font face="B Nazanin" size="3"> </font></span><font size="3">3/38</font></span><span lang="AR-SA"><font face="Times New Roman" size="3">±</font></span><span 5="" b="" dir="ltr" face="Times New Roman" font="" lang="AR-SA" mso-ascii-font-family:="" 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">به</font><span style="mso-spacerun: yes"><font face="B Nazanin" size="3"> </font></span><font size="3">2/68</font></span><span lang="AR-SA"><font face="Times New Roman" size="3">±</font></span><span 27="" b="" dir="ltr" face="Times New Roman" font="" lang="AR-SA" mso-ascii-font-family:="" 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">تغییر یافت که این تغییرات در مورد کروم معنادار نبود. (0/05</font></span><span lang="AR-SA" mso-hansi-font-family:="" new="" roman="" style="mso-ascii-font-family: " times=""><font face="Times New Roman" size="3"><</font></span><span dir="ltr" mso-ansi-language:="" style="font-family: "><font size="3">P</font></span><span lang="FA" style="mso-bidi-language: FA mso-ascii-font-family: Calibri mso-hansi-font-family: Calibri mso-ansi-language: EN-US"><font face="Times New Roman" size="3">)</font></span></b></h5>
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<h5 dir="rtl" style="margin: 0cm 0cm 0pt text-align: justify unicode-bidi: embed direction: rtl"><b><b><span b="" font="" lang="AR-SA" mso-ascii-font-family:="" mso-hansi-font-family:="" new="" roman="" size="3" span="" style="font-family: " times=""><font size="3">: به نظر می­رسد </font></span><span b="" lang="AR-SA" style="font-family: "><font size="3">ایجاد استرس باعث افزایش معنادارآزادسازی نیکل از اپلانیس های ارتودنسی در بزاق میگردد این در حالی است که محتوای کروم اگر چه با گذشت زمان به تدریج افزایش می­یابد اما این تغییرات از نظر آماری معنادار نمی باشد.</font></span></b></b></h5>
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<p style="margin: 0cm 0cm 0pt text-align: justify line-height: 120% vertical-align: middle -ms-text-autospace: mso-layout-grid-align: none"><b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 120% 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: 120% font-family: " times=""> Corrosion of orthodontic appliances is influenced by changes in the saliva composition resulting from physiologic stress. This study was conducted to assess the effect of stress on the level of<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>nickel (Ni) and chromium (Cr) ions in the saliva of patients treated with fixed orthodontic appliances.</span></p>
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<p style="margin: 0cm 0cm 0pt text-align: justify line-height: 120% vertical-align: middle -ms-text-autospace: mso-layout-grid-align: none"><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 120% font-family: " times=""> </span></p>
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<p style="margin: 0cm 0cm 0pt text-align: justify line-height: 120% vertical-align: middle -ms-text-autospace: mso-layout-grid-align: none"><b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 120% font-family: " times="">Materials and Methods:<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span></span></b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 120% font-family: " times="">Ten patients participated in this study. Saliva samples were collected at three different stages: T1: before placement of orthodontic appliances, T2: Three months after placement of fixed orthodontic appliances before stress, T3: 15 minutes after induction of stress (Trier Social Stress Test). Ion levels were measured by Atomic Absorption Spectophotometry. Data were analyzed by ANOVA and post hoc Bonferroni statistical tests.</span></p>
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<p style="margin: 0cm 0cm 0pt text-align: justify line-height: 120% vertical-align: middle -ms-text-autospace: mso-layout-grid-align: none"><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 120% font-family: " times=""> </span></p>
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<p style="margin: 0cm 0cm 0pt text-align: justify line-height: 120% vertical-align: middle -ms-text-autospace: mso-layout-grid-align: none"><b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 120% font-family: " times="">Results:</span></b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 120% font-family: " times=""> Ni levels increased from 12.78 ± 5.26 in T1 to<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>14.9 ± 5.75 in T3 and this increase was statistically significant. (P<0.05) Chromium (Cr) levels changed from 5.21 ± 3.38<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>to 6.27 ± 2.68,<span style="mso-spacerun: yes"><font face="Times New Roman" size="2"> </font></span>and the changes were not significant.(P<0.05)</span></p>
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<p style="margin: 0cm 0cm 0pt text-align: justify line-height: 120% vertical-align: middle -ms-text-autospace: mso-layout-grid-align: none"><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 120% font-family: " times=""> </span></p>
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<p style="margin: 0cm 0cm 0pt text-align: justify line-height: 120% vertical-align: middle -ms-text-autospace: mso-layout-grid-align: none"><b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 120% font-family: " times="">Conclusion:</span></b><span 10pt="" calibri="" font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" new="" style="color: black line-height: 120% font-family: " times=""> Stress significantly increases the release of Ni ions from orthodontic appliances into the saliva. Chromium levels of the saliva elevate gradually with time, however the change is not statistically significant.</span></p>
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آلیاژهای ارتودنسی , نیکل , کروم , بزاق , استرس , Trier Social Stress Test
Orthodontic alloys, nickel, chromium, saliva, stress, Trier Social Stress Test.
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http://jrds.ir/browse.php?a_code=A-10-791-5&slc_lang=fa&sid=1
F
Amini
فریبرز
امینی
10031947532846009739
10031947532846009739
No
H
Rahimi
هژیر
رحیمی
Hajirrahimi@gmail.com
10031947532846009740
10031947532846009740
Yes
S
Harandi
ساغر
هرندی
10031947532846009741
10031947532846009741
No
R
Hajrezaee
ریحانه
حاج رضایی
10031947532846009742
10031947532846009742
No
S
Ayramlou
سارا
آیرملو
10031947532846009743
10031947532846009743
No
F
Baladi
فاطمه
بلدی
10031947532846009744
10031947532846009744
No