نتایج جستجو برای: apex angle

تعداد نتایج: 141946  

Journal: :Journal of Orthopaedic Surgery and Research 2007
Winnie CW Chu Bobby KW Ng Albert M Li Tsz-ping Lam Wynnie WM Lam Jack CY Cheng

BACKGROUND Restrictive impairment is the commonest reported pulmonary deficit in AIS, which improves following surgical operation. However, exact mechanism of how improvement is brought about is unknown. Dynamic fast breath-hold (BH)-MR imaging is a recent advance which provides direct quantitative visual assessment of pulmonary function. By using above technique, change in lung volume, chest w...

Journal: :Agricultural Science Digest – A Research Journal 2023

An objective method to establish apex and base type descriptor states is proposed using elliptic Fourier descriptors derived from appropriately segmented images. Using pili (Canarium ovatum Engl.) kernel-in-shell as a model, 51 accessions represented by 10 images per accession were acquired calibrated VideometerLab3 setup. appropriate segmentation scheme was applied developing an algorithm that...

Journal: :the archives of bone and joint surgery 0
anne-carolin doring orthopaedic hand and upper extremity service, yawkey center, suite 2100, massachusetts general hospital, boston, ma, usa celeste l. overbeek orthopaedic hand and upper extremity service, yawkey center, suite 2100, massachusetts general hospital, boston, ma, usa teun teunis orthopaedic hand and upper extremity service, yawkey center, suite 2100, massachusetts general hospital, boston, ma, usa stéphanie j.e. becker orthopaedic hand and upper extremity service, yawkey center, suite 2100, massachusetts general hospital, boston, ma, usa david ring chief orthopaedic hand service, yawkey center, suite 2100, massachusetts general hospital, boston, ma, usa

background: abnormal angulation of the lunate can be an indication of intercarpal pathology. on magnetic resonance images (mris) the lunate often looks dorsally angulated, even in healthy wrists. the tilt on individual slices can also be different and might be misinterpreted as pathological, contributing to inaccurate diagnoses and unnecessary surgery. the primary aim of this study was to deter...

Introduction: Knowledge of the internal anatomy of the tooth, apical foramen (AF) and mental foramen (MF) is considered a basic prerequisite before root canal surgical and non-surgical treatments. The aim this study is evaluation the distance and situation of AF & MF to anatomic apex of mandibular  premolar. Materials & Methods: In this cross-sectional study, CBCT images of mandibular p...

یحیی پور گنجی, مسعود, حقانی , سینا , مدنی, فر، زهرا سادات ،,

سابقه و هدف: یکی از عوامل موفقیت در درمان ریشه دندان، تعیین طول کانال ریشه می باشد. که در حال حاضر جهت تعیین طول کانال ریشه، رادیوگرافی کارآمدترین روش می باشد. امروزه دستگاه الکترونیکی Apex finder نیز به عرصه درمان کانال ریشه وارد شده اند. در این تحقیق بر آن شدیم تا میزان اعتماد به این دستگاه را مورد بررسی قرار دهیم. مواد و روش ها: در این مطالعه تعداد 62 دندان تک کانال مربوط به 45 بیمار مراجعه ...

Journal: :iranian red crescent medical journal 0
mahmoud bahari kashani mashhad orthopedic and trauma research center, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran amir reza kachooei mashhad orthopedic and trauma research center, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran hengameh ebrahimi faculty of medicine, mashhad university of medical sciences, mashhad, ir iran mohammad taghi peivandi mashhad orthopedic and trauma research center, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran; mashhad orthopedic and trauma research center, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran. tel.: +98-5118520028, fax: +98-5118596606, sara amelfarzad faculty of medicine, mashhad university of medical sciences, mashhad, ir iran nastoor bekhradianpoor orthopedic and trauma research center, mashhad university of medical sciences, mashhad, ir iran

conclusions although some of the orthopedic surgeons are not interested to manage these fractures surgically and most of them treat these cases conservatively (casting, etc.), in most displaced intra-articular calcaneal fractures, surgical treatment is the method of choice. moreover, in non-surgical treatment the prevalence of these complications among the patients is more and as a result, inev...

Journal: :Astronomy and Astrophysics 2021

Context. The traditional cone models achieve great success in studying the geometrical and kinematic properties of halo coronal mass ejections (CMEs). Aims. In this Letter, a revised model is proposed to investigate CMEs as result non-radial prominence eruptions. Methods. apex located at source region an eruption instead Sun center. axis deviates from local vertical by inclination angle θ 1 ϕ ....

Journal: :مجله پژوهش های اکوفیزیولوژی گیاهان زراعی 0

ebrahim panahpour1*, parviz ahmadi2,  mahmoud shomeili3 1,2- department of soil science, college of agriculture, ahvaz branch, islamic azad university, ahvaz, iran 3- manager agronomi department sugarcane research and training institute khuzestan, iran *corresponding author email: [email protected] received: 22 july 2015                                                                       ...

Journal: :journal of dentistry, tehran university of medical sciences 0
a. geramy

objective: intrusion as a type of tooth movement is managed by different mechanotherapies during various treatment stages. the morphology of the apical third of the teeth to be intruded plays an important role in the risk of root resorption due to the raise of stresses. the main goal of this study was to compare various types of apical third of the teeth while loaded by an intrusive force. mate...

ژورنال: :دانش و تندرستی 0
hamed vahedi-kafshgari ahmad khosravi

مقدمه: درمان شکستگی اینترتروکانتریک امروزه یکی از معضلات اصلی در سنین بالا محسوب می­شود . به­خصوص در شکستگی­های ناپایدار و بیماران دارای استئوپروز شدید نتایج درمان جراحی مطلوب نمی­باشد. عوامل مختلفی در نتایج درمان مؤثرند که در این مطالعه یک معیار جدید که احتمالاً در پیش آگهی درمان مؤثر است، مطرح گردیده است. مواد و روش­ها: از مهر سال 1382 تا شهریور 1386، تعداد 128 بیمار که شکستگی اینترتروکانتریک ...

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