نتایج جستجو برای: orthodontic space closure

تعداد نتایج: 559352  

2017
Mumen Z. Rizk Hisham Mohammed Omar Ismael David R. Bearn

BACKGROUND This review aims to compare the effectiveness of en masse and two-step retraction methods during orthodontic space closure regarding anchorage preservation and anterior segment retraction and to assess their effect on the duration of treatment and root resorption. METHODS An electronic search for potentially eligible randomized controlled trials and prospective controlled trials wa...

2013

Aim of the study was to investigate the change in lower anterior facial height (LAFH) following 1st premolar extraction and incisor retraction in bimaxillary proclination orthodontic cases. 35 patients (M:F ratio 18:17) with bimaxillary protrusion with age ranging from 14-17 years (mean calculated age 15.6 years) were treated with 1st premolar extractions followed by retraction of the upper and...

Journal: :Journal of the Pakistan Dental Association 2021

OBJECTIVE: The vast spread of COVID-19 not only affected the major businesses world but also health care facilities like dentistry. Due to unprecedented closure dental services, on-going orthodontic patients suffered brunt. aim this study was assess at-home management approaches used by tackle complications associated with treatment. METHODOLOGY: It a cross-sectional questionnaire-based carried...

Journal: :International Journal of Applied Mathematical Research 2014

Journal: :Bulletin of Mathematical Sciences and Applications 2014

The aim of this paper is to introduce $(L,M)$-fuzzy closurestructure where $L$ and $M$ are strictly two-sided, commutativequantales. Firstly, we define $(L,M)$-fuzzy closure spaces and getsome relations between $(L,M)$-double fuzzy topological spaces and$(L,M)$-fuzzy closure spaces. Then, we introduce initial$(L,M)$-fuzzy closure structures and we prove that the category$(L,M)$-{bf FC} of $(L,M...

Ali Khalighi Sigaroudi , Azam Nahvi , Faegheh Gholinia , Zahra Dalili ,

Introduction: A study model is a precise three dimensional replica of patient’s dentition and plays an important role in treatment planning. Many digital multi-media applications have become available to the clinician and his or her staff to facilitate standard procedures in practice and management. The aim of this study is to evaluate reliability and validity of dental measurement made on dig...

Journal: :Brain and cognition 2010
Sebastian Ocklenburg Marco Hirnstein Markus Hausmann Jörg Lewald

Several studies have shown that handedness has an impact on visual spatial abilities. Here we investigated the effect of laterality on auditory space perception. Participants (33 right-handers, 20 left-handers) completed two tasks of sound localization. In a dark, anechoic, and sound-proof room, sound stimuli (broadband noise) were presented via 21 loudspeakers mounted horizontally (from 80 deg...

Journal: :European journal of paediatric dentistry : official journal of European Academy of Paediatric Dentistry 2008
G Lo Giudice V Nigrone A Longo M Cicciù

AIM This is to report the case of a ten year old child affected by a numeric dental anomaly showing the pathologic condition characterised by the simultaneous presence of supernumerary and supplemental teeth. The anomaly was analysed to plan the best surgical and orthodontic treatments. CASE REPORT Dental history, clinical and instrumental examinations were made to perform a correct orthodont...

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