نتایج جستجو برای: bimaxillary dentoalveolar protrusion

تعداد نتایج: 5504  

2009
NASEER AHMAD

The purpose of this study was to determine the upper lip by Holdaway’s method in individuals with bimaxillary proclination and to find out correlations of skeletal convexity at point A & maxillary incisor inclination with upper lip inclination and upper lip strain. Lateral cephalograms of 100 patients (50 males and 50 females) exhibiting bimaxillary dental proclination were exposed in closed li...

2017
Juliana da S. Pereira Helder B. Jacob Arno Locks Mauricio Brunetto Gerson L. U. Ribeiro

OBJECTIVE: The aim of this randomized clinical trial was to evaluate the dental, dentoalveolar, and skeletal changes occurring right after the rapid maxillary expansion (RME) and slow maxillary expansion (SME) treatment using Haas-type expander. METHODS: All subjects performed cone-beam computed tomography (CBCT) before installation of expanders (T1) and right after screw stabilization (T2)....

Journal: :European journal of orthodontics 2009
Nabila Anwar Mubassar Fida

The purpose of this study was to quantitatively evaluate skeletal and dental compensation in patients with vertical skeletal dysplasias and to determine which dentoalveolar parameters compensate for vertical jaw discrepancies. Cephalometric analyses were performed on pre-treatment lateral cephalographs of 186 orthodontic patients (120 females and 66 males; mean age 15 years 11 months) who met t...

2014
Abdulfatah Hanoun Thikriat S Al-Jewair Sawsan Tabbaa Mhd Amer Allaymouni Charles B Preston

OBJECTIVES We evaluated the skeletal and dentoalveolar effects of the Forsus Fatigue Resistance Device (FRD) and the Twin Block appliance (TB) in comparison with nontreated controls in the treatment of patients with class II division 1 malocclusion. MATERIALS AND METHODS THIS RETROSPECTIVE STUDY INCLUDED THREE GROUPS: TB (n=37; mean age, 11.2 years), FRD (n=30; mean age, 12.9 years), and cont...

Journal: :Australian dental journal 2005
B Lawler P J Sambrook A N Goss

Usually dentists in Australia give patients oral antibiotics after dentoalveolar surgery as a prophylaxis against wound infection. When this practice is compared to the principle of antibiotic prophylaxis in major surgery it is found to be at variance in a number of ways. In major surgery, the risk of infection should be high, and the consequences of infection severe or catastrophic, before ant...

Journal: :The International journal of periodontics & restorative dentistry 2013
George A Mandelaris Brian S Vence Alan L Rosenfeld David P Forbes

Pretreatment knowledge of crestal and radicular dentoalveolar zones and their associated thicknesses can improve risk assessment to meet esthetic and functional goals, particularly when discrepancies in anterior maxillary and mandibular arches exist and when an anterior protected articulation is to be achieved. This paper discusses a new classification of dentoalveolar bone phenotypes that diff...

Motility and membrane deformation are crucial to motile cells. Therefore formation of protrusion in the membrane has been the subject of various studies. The stable shape of the membrane and also its movements are controlled by the forces exerted by actin filaments. In order to study the protrusion behavior, we represented a toy model based on actin filaments polar characteristic and elastic ch...

2013
Youn-Kyung Choi Soo-Byung Park Yong-Il Kim Woo-Sung Son

OBJECTIVE To compare three-dimensionally the midfacial hard- and soft-tissue asymmetries between the affected and the unaffected sides and determine the relationship between the hard tissue and the overlying soft tissue in patients with nonsyndromic complete unilateral cleft lip and palate (UCLP) by cone-beam computed tomography (CBCT) analysis. METHODS The maxillofacial regions of 26 adults ...

Journal: :The Angle orthodontist 1977
B Solow A Tallgren

The associations between dentoalveolar morphology and the posture of the head and the cervical column were studied in a sample of 120 Danish male students aged 22-30 years. Two head positions were recorded on lateral cephalometric radiographs, one determined by the subjects's own feeling of a natural head balance (self balance position) and the other by the subject looking straight into a mirro...

Journal: :The journal of contemporary dental practice 2001
E B Fowler L G Breault

Deformities of the dentoalveolar ridge are usually the result of developmental defects, periodontal disease, trauma, or surgical insult. Various techniques are available to correct ridge defects. In this case presentation, ridge augmentation was achieved utilizing an acellular dermal matrix allograft in lieu of an autograft. This report demonstrated an acceptable esthetic result with a signific...

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