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Register a new userA Comparison Of Teeth Sizes Between Patients With Buccally Ectopic Maxillary Canines and Patients With Normally Erupted Canines in The Permanent Dentition Stage
مقارنة حجوم الأسنان بين مرضى الأنياب العلوية ذات التوضع الدهليزي المنتبذ و مرضى الأنياب العلوية ذات التوضع الطبيعي في مرحلة الإطباق الدائم
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أجريت هذه الدراسة لتحري دور حجوم الأسنان و ارتباطه في تطور حدوث الإنتباذ الدهليزي لأنياب الفك العلوي باعتبارها تشارك في الآلية السببية لحدوث الإنتباذ، و ذلك عند الذكور و الإناث لدى عينة من المجتمع السوري. تم الحصول على أمثلة الدراسة الجبسية، ثم أجري قياس العرض الأنسي الوحشي لجميع أسنان الفك العلوي و السفلي، باستثناء الأرحاء الثانية و الثالثة، باستخدام المسماك الإلكتروني، تم جمع البيانات و من ثم تحليلها و الحصول على النتائج.
The aim of this study was to investigate the role of teeth sizes and its relationship with the development of buccal ectopia for maxillary canines،that could contribute to the aetiology of canines ectopia ,between males and females in the sample of Syrian society. The study models have been obtained, the mesiodistal width was measured for all upper and lower teeth except of second and third molars by using electronic caliper, data collected then analyzed and got results.
References used
BURHAN ،A 2003- Features and dimensions of the dental complex of subjects with normal occlusion in Syria.Syria،Damascus University،Vol.40.P.191
SAATCI،P.YUKAY،F 1997.The effect of premolar extractions on tooth size discrepancy.Am J Orthod Dentofacial Orthop ،Vol.111.428-34
OTHMAN،S. HARRADINE،N 2006. Tooth-size diacrepancy and Bolton ratios: a literature review. Journal of orthodontics، Vol.33.45-51
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Objective: The aim of this study was to determine palatal and maxillary arch width
changes during MBT PEA with maxillary first premolars extraction treatment in patients
with Class II division 1 malocclusion.
Material and Methods: Dental casts of
24 Class II division 1 patients (8 males and 16
females) were evaluated. The minimum age of the subjects at the beginning of treatment
was above 16 years with mean age 02.02± 2.82. All patients were treated with extraction of
the maxillary first premolars and MBT PEA. Pre- and post-treatment maxillary and palatal
(inter-canine and inter-molar) widths were measured using a digital calliper of 0.01
accuracy. Paired samples t-test was used to evaluate the treatment changes within total
sample and within males group and females group. Differences between males and females
were tested using independent samples t-test.
Results: At the end of treatment, maxillary and palatal inter-canine widths increased
significantly (P>0.001).The maxillary inter-molar width increased but the values were
statistically insignificant (P<0.05). The palatal inter-molar width increased significantly
(P>0.01). No significant differences were observed between males and females.
Conclusions: Class II division 1 patients treated with extraction of maxillary first
premolars had tendency for an increase in palatal and arch width during treatment except
maxillary inter-molar width. It seems that a more thorough assessment and investigation
including pretreatment arch shape and factors related to anchorage should be carried out.
To record the prevalence and distribution of congenitally missing permanent
teeth and their relation to gender in a sample of patients in an orthodontic clinic in Damascus.
The aim of this study was to investigate the relationship
between cervical vertebral posture in patients with skeletal Class II
malocclusion by using lateral cephalometric radiographs were taken
by natural head position.
Upper abdominal surgery patients are considered more vulnerable to changes in pulmonary function and therefore to acute decrease in respiratory function. physical treatment techniques play an important role, especially deep breathing exercises and th
e use of incentive spirometry device as well as walking, which have an important role in improving pulmonary function. here lies the nursing role in the training of patients to use those technologies and encouraging them toapplyearlypostoperatively. The aims of the study is toassess the effect of implementing nursing policy (deep breathing exercises , the use of incentive spirometer and walking) on respiratory function among upper abdominal surgery patients.The sample comprised 45 patients chosen randomly from thetwogenders who were prepared to upper abdominal surgery in Al-Assad University Hospital,Each patient implemented nursing policy and assessed pulmonary functionby using a spirometer device and measured the degree of arterial blood oxygen saturation by Oxygenation –pulse measurement. We can notice from the results of this study that the implement of nursing policy contributed to the preservation of respiratory function in patients with the two experimental groups , particularly in the experimental group 2, which have the lower decrease in the pulmonary functions values and the degree of arterial blood oxygen saturation .
Aim: This study aims to investigate the relationship between the cephalometric soft tissue parameters value of the facial profile before the start of applying of en masse retraction of Maxillary Anterior teeth (after 14 and 24 extraction) and the dam
ping of the applied orthodontic force v after 40 days of its application. Materials and Methods: material research consist from cephalograms of six patients (3 females and 3 males) between 17 and 19 years from patients undergoing orthodontic evaluation at the Department of Orthodontics and Dentofacial Orthopedics at Tishreen University , ortho. Plane treatment of those patient included 14 and 24 extraction in order to reduce the big sagital overjet by bodily en masse retraction of Maxillary Anterior teeth to achieve o aesthetic harmony of the soft tissues of the facial profile of each one of these particular patients. Pearson's Correlation Coefficient Analysis was performed. The Correlation was verified between each cephalometric variables (both those related to the soft tissue of the facial profile and to the variables determining incisors and the upper first molars axes inclination) on the one hand and between the amount of force at the beginning of the movement (F1) and the amount of force after forty Day of starting application of force (F2), and the amount of force damping (F1 - F2), and the distance that have been closed due to the b bodily en masse retraction of Maxillary Anterior teeth during 40 days. This study showed a certain relationship between the primary values of the soft tissue variables of the facial profile and the force damping applied to achieve bodily en masse retraction of Maxillary Anterior teeth.
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