fa بررسی میزان همبستگی شاخص‌های سفالومتری در بیماران دارای مال اکلوژن کلاس II دندانپزشکی Dentistry پژوهشي-کامل Research(Original) &nbsp;<span style="font-size:12pt"><span style="line-height:90%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span lang="FA" style="line-height:90%"><span b="" koodak="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.1pt">سابقه</span></span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" koodak="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.1pt"> و هدف:</span></span></span></span> <span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"><span style="letter-spacing:-.2pt">شاخص‌ها مانند زوایا وسطوح ترسیم‌شده در سفالومتری‌لترال دارای روابط و ضریب‌های همبستگی متفاوتی</span></span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> هستند که بررسی آن‌ها به تشخیص انواع مختلف مال اکلوژن کمک شایانی می‌کند. هدف از مطالعه حاضر، بررسی میزان همبستگی شاخص‌های سفالومتری </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">ANB</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">، </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">Wits</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">، </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">occlusal plane</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> و </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">Y-axis</span></span></span><span style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> در افراد دارای مال اکلوژن کلاس </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">II</span></span></span><span style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> می‌باشد.</span></span></span><span b="" lang="FA" style="font-family:" zar=""><span style="color:#0e101a"></span></span></span></span></span></span></span><br> <span style="font-size:12pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:90%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span lang="AR-SA" style="line-height:90%"><span b="" koodak="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.1pt">مواد و روش</span></span></span></span><span lang="FA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"><span style="letter-spacing:-.1pt">‌</span></span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" koodak="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.1pt">ها:</span></span></span></span> <span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"><span style="letter-spacing:-.1pt">مطالعه حاضر یک مطالعه مقطعی ازنوع توصیفی تحلیلی و گذشته‌نگر بوده که</span></span></span></span><span lang="FA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"><span style="letter-spacing:-.1pt"> بر روی</span></span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"><span style="letter-spacing:-.1pt"> رادیوگرافی‌های</span></span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> لترال موجود در پرونده ارتودنسی بیماران </span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar="">14 تا 18 سال <span style="color:black">دارای مال<span style="letter-spacing:-.2pt">‌</span>اکلوژن کلاس </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">II</span></span></span><span style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> مراجعه<span style="letter-spacing:-.2pt">‌</span>کننده به کلینیک دانشکده دندانپزشکی دانشگاه علوم پزشکی </span></span></span><span lang="FA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">گلستان </span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">در سال<span style="letter-spacing:-.2pt">‌</span>های 98- 1397 </span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar="">انجام گردید.</span></span><span lang="FA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"></span></span></span></span></span></span></span></span></span></span><br> <span style="font-size:12pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:90%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span lang="AR-SA" style="line-height:90%"><span b="" koodak="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.2pt">یافته</span></span></span></span><span lang="FA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"><span style="letter-spacing:-.2pt">‌</span></span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" koodak="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.2pt">ها:</span></span></span></span> <span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar="">در این مطالعه از 156 رادیوگرافی لترال بررسی شده مربوط به بیماران دارای مال اکلوژن <span style="color:black">کلاس </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">II</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">، 91 فیلم رادیوگرافی (58/3 درصد) متعلق به بیماران زن و 65 فیلم رادیوگرافی (41/7 درصد) مربوط به بیماران مرد بود. به<span style="letter-spacing:-.2pt">‌</span>طور کلی به ترتیب بیش<span style="letter-spacing:-.2pt">‌</span>ترین میزان ضریب همبستگی (0/61 </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">r=</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">) میان شاخص<span style="letter-spacing:-.2pt">‌</span>های </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">ANB</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> و </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">Wits</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> و بعد از آن </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">ANB</span></span></span><span style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> و </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">Y-axis</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> (0/53</span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">r=</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">)، سپس </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">Wits</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> و </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">occlusal Plane</span></span></span><span style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> (0/36</span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">r=</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">)، </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">Y-axis</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> و </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">occlusal plane</span></span></span><span style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> (0/33</span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">r=</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">) و کم<span style="letter-spacing:-.2pt">‌</span>ترین میزان ضریب همبستگی (0/23</span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">r=</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">) بین شاخص<span style="letter-spacing:-.2pt">‌</span>های </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">ANB</span></span></span><span style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> و </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">occlusal plane</span></span></span><span style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> تعیین گردید.</span></span></span><span lang="FA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"></span></span></span></span></span></span></span></span></span></span><br> <span style="font-size:12pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:90%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span lang="AR-SA" style="line-height:90%"><span b="" koodak="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.2pt">استنتاج:</span></span></span></span> <span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">بر اساس نتایج به<span style="letter-spacing:-.2pt">‌</span>دست آمده، به نظر می<span style="letter-spacing:-.2pt">‌</span>رسد که برای تشخیص مال<span style="letter-spacing:-.2pt">‌</span>اکلوژن کلاس </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">II</span></span></span><span style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> می<span style="letter-spacing:-.2pt">‌</span>توان علاوه بر زاویه </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">ANB</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> از سایر شاخص<span style="letter-spacing:-.2pt">‌</span>های سفالومتری مانند </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">Wits</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">، </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">Y-axis</span></span></span><span style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> و </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">occlusal plane</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"> (به ترتیب میزان ضریب همبستگی آن<span style="letter-spacing:-.2pt">‌</span>ها با </span></span></span><span dir="LTR" style="font-size:10.0pt"><span style="line-height:90%"><span style="color:black">ANB</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black">) استفاده نمود.</span></span></span><span lang="AR-SA" style="line-height:90%"><span b="" style="font-family:" zar=""><span style="color:black"><span style="letter-spacing:-.2pt"></span></span></span></span></span></span></span></span></span></span></span><br> <span dir="LTR"></span> <strong>&nbsp;</strong><span style="font-size:12pt"><span style="line-height:135%"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:10.0pt"><span style="line-height:135%"><span arial="" style="font-family:"><span style="letter-spacing:-.2pt">Background and purpose:</span></span></span></span></b> <span style="font-size:10.0pt"><span style="line-height:135%">Some measurements such as angles and planes drawn in lateral cephalometry have different relationships and correlation coefficients which help to distinguish different types of malocclusions. The aim of this study was to investigate the correlation between ANB, Wits, occlusal plane, and Y-axis cephalometric measurements in patients with class II malocclusion.</span></span></span></span></span><br> <span style="font-size:12pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:135%"><span style="text-autospace:none"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:10.0pt"><span style="line-height:135%"><span arial="" style="font-family:">Materials and methods:</span></span></span></b><b> </b><span style="font-size:10.0pt"><span style="line-height:135%">A descriptive-analytical and retrospective cross-sectional study was performed using the lateral radiographic images (n=156) in the archive of the Dental Clinic affiliated with Golestan University of Medical Sciences obtained from patients aged 14-18 years of age with class II malocclusion in 2018-2019.</span></span></span></span></span></span></span></span><br> <span style="font-size:12pt"><span style="line-height:135%"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:10.0pt"><span style="line-height:135%"><span arial="" style="font-family:">Results:</span></span></span></b><b> </b><span style="font-size:10.0pt"><span style="line-height:135%">There were 91 (58.3%) lateral radiographic images of female patients, and 65 (41.7%) of male patients. The highest correlation was found between ANB and Wits measurements (r= 0.61) followed by ANB and Y-axis (r= 0.53), Wits and occlusal plane (r= 0.36), and Y-axis and occlusal plane (r= 0.33) and the lowest correlation was seen between ANB and occlusal plane measurements (r= 0.23).</span></span></span></span></span><br> <span style="font-size:12pt"><span style="line-height:135%"><span style="vertical-align:top"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:10.0pt"><span style="line-height:135%"><span arial="" style="font-family:">Conclusion:</span></span></span></b> <span style="font-size:10.0pt"><span style="line-height:135%">According to current study, it seems that in addition to ANB angle, other cephalometric measurements such as Wits, Y-axis, and occlusal plane can be used to diagnose class II malocclusion (based on their correlation coefficient with ANB).</span></span><i><span style="font-size:10.0pt"><span style="line-height:135%"></span></span></i></span></span></span></span><br> &nbsp; مال اکلوژن کلاسII , ANB, Wits, occlusal plane, Y-axis class II malocclusion, ANB, Wits, occlusal plane, Y-axis 113 122 http://jmums.mazums.ac.ir/browse.php?a_code=A-10-15266-1&slc_lang=fa&sid=1 Aliakbar Naghavialhosseini علی اکبر نقوی الحسینی a.a.nagavi@gmail.com 1003194753284600145158 1003194753284600145158 No Assistant Professor, Dental Research Center, Department of Orthodontics, Faculty of Dentistry, Golestan University of Medical Sciences, Gorgan, Iran استادیار، مرکز تحقیقات دندانپزشکی، گروه ارتودنسی، دانشکده دندانپزشکی، دانشگاه علوم پزشکی گلستان، گرگان، ایران Mina Pakkhesal مینا پاک خصال m_pakkhesal@yahoo.com 1003194753284600145159 1003194753284600145159 Yes Assistant Professor, Dental Research Center, Department of Community Oral Health, Faculty of Dentistry, Golestan University of Medical Sciences, Gorgan, Iran استادیار، مرکز تحقیقات دندانپزشکی، گروه دندانپزشکی اجتماعی، دانشکده دندانپزشکی، دانشگاه علوم پزشکی گلستان، گرگان، ایران Yaser Mesri یاسر مصری yaser1479@gmail.com 1003194753284600145160 1003194753284600145160 No Dental Student, Faculty of Dentistry, Golestan University of Medical Sciences, Gorgan, Iran دانشجوی دندانپزشکی، دانشکده دندانپزشکی، دانشگاه علوم پزشکی گلستان، گرگان، ایران Mansureh Rudini منصوره رودینی mansurehrudini@gmail.com 1003194753284600145161 1003194753284600145161 No Dentist, Faculty of Dentistry, Golestan University of Medical Sciences, Gorgan, Iran دندانپزشک، دانشکده دندانپزشکی، دانشگاه علوم پزشکی گلستان، گرگان، ایران Abdolhalim Rajabi عبدالحلیم رجبی drrajabi.a@goums.ac.ir 1003194753284600145162 1003194753284600145162 No Assisstant Professor, Department of Biostatistics and Epidemiology, Health Management and Social Development Research Center, Faculty of Health, Golestan University of Medical Sciences, Gorgan, Iran استادیار، گروه آمار زیستی و اپیدمیولوژی، مرکز تحقیقات مدیریت سلامت و توسعه اجتماعی، دانشکده بهداشت، دانشگاه علوم پزشکی گلستان، گرگان، ایران