correlation between symphyseal morphology and mandibular growth

نویسندگان

mahkameh moshfeghi

mahtab nouri

sanam mirbeigi

alireza akbar zadeh baghban

چکیده

background: this study sought to assess symphyseal morphology in adolescents with different mandibular growth patterns (mgps) in order to see if a relation exists. materials and methods: in this study the symphyseal parameters (height, depth, and ratio) of normal subjects were compared with four groups with malocclusion (cl iii vertical, cl ii vertical, cl iii horizontal, and cl ii horizontal). these groups (15 samples each) were matched (for sex and cervical maturation stage [cvms]) based on their cephalograms and patient charts. growth patterns were differentiated by seven vertical parameters and the wylie analysis. after confi rmation of normality of the groups and similarity of their variances the two-way analysis of variance (anova) was used for analysis of data assessed by adjusted chi-square (p < 0.001). the comparison of cases with the normal group was performed by the dunnett method. intraclass correlation coeffi cient (icc) was used for evaluation of intraobserver reliability. results: we found the symphyseal ratio to have a signifi cant correlation with the mgp (p < 0.001). the symphyseal ratio (height/depth) was small in a mandible with vertical growth pattern cl ii or cl iii. conversely, a horizontal growth pattern of a cl ii or cl iii mandible was associated with a larger ratio of the symphysis in comparison with the normal group. the symphyseal ratio was also found to be greater in females. conclusion: the symphyseal ratio was found to be strongly associated with the mgp. key words: horizontal, mandibular growth, symphysis, vertical

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Correlation between symphyseal morphology and mandibular growth

BACKGROUND This study sought to assess symphyseal morphology in adolescents with different mandibular growth patterns (MGPs) in order to see if a relation exists. MATERIALS AND METHODS In this study the symphyseal parameters (height, depth, and ratio) of normal subjects were compared with four groups with malocclusion (cl III vertical, cl II vertical, cl III horizontal, and cl II horizontal)....

متن کامل

Correlation between maxillary central incisor crown morphology and mandibular dental arch form in normal occlusion subjects.

The aim of this study was to evaluate the correlation between the morphology of the mandibular dental arch and the maxillary central incisor crown. Cast models from 51 Caucasian individuals, older than 15 years, with optimal occlusion, no previous orthodontic treatment, featuring 4 of the 6 keys to normal occlusion by Andrews (the first being mandatory) were observed. The models were digitalize...

متن کامل

Treatment of unilateral buccal crossbite with mandibular symphyseal distraction osteogenesis

59 a Research Assistant, Department of Orthodontics, Faculty of Dentistry, Zonguldak Karaelmas University, Zonguldak, Turkey. b Associate Professor, Department of Orthodontics, Faculty of Dentistry, Ondokuz Mayis University, Samsun, Turkey. c Associate Professor, Department of Oral and Maxillo-facial Surgery, Faculty of Dentistry, Ondokuz Mayis University, Samsun, Turkey. Corresponding author: ...

متن کامل

Correlation between Mandibular Radiomorphometric Parameters and Gonial Angle size in Iranian Adults

Introdouction: The purpose of the present study was to determine the possible relationship between gonial angle size and three mandibular morphometric parameters, namely, panoramic mandibular index (PMI), mandibular cortical width (MCW), and antegonial notch depth (AD), in digital panoramic radiographs. Materials and methods: PMI, MCW, and AD were calculated in digital panoramic radiographs of...

متن کامل

THE CORRELATION BETWEEN SPERM MORPHOLOGY AND MOTILITY IN FERTILE AND INFERTILE MEN

The swim-up procedure was used to collect a sperm fraction with improved motility and normal morphology from fertile and infertile semen samples. The untreated and swim-up fractions were analyzed with the Hamilton-Thorn Motility Analyser. Comparisons were made to see the effect of this sperm selection technique on sperm motility and morphology. They were then examined by transmission elect...

متن کامل

منابع من

با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید


عنوان ژورنال:
dental research journal

جلد ۱۱، شماره ۳، صفحات ۰-۰

کلمات کلیدی

میزبانی شده توسط پلتفرم ابری doprax.com

copyright © 2015-2023