نتایج جستجو برای: dental arch

تعداد نتایج: 180685  

Journal: :European journal of orthodontics 2001
J Henrikson M Persson B Thilander

Based on observations of longitudinal changes in dental arch dimensions, it has been stated that an individuality of arch form and an integrity of this form exists. However, longitudinal studies evaluating arch form changes have rarely been reported in the literature. The purpose of this investigation was to use a computer-assisted method for the description and analysis of maxillary and mandib...

Journal: :JPMA. The Journal of the Pakistan Medical Association 2016
Yavuz Tolga Korkmaz Ummugulsum Coskun Mustafa Cenk Durmuslar Zeynep Fatma Zor Turgay Peyami Hocaoglu Nuray Yilmaz Altintas

To assess the effectiveness of a dental instrument for reduction of isolated zygomatic arch fractures. Two patients were admitted to our clinic representing isolated unilateral zygomatic arch fracture. The common presenting complaints were pain, swelling and difficulty in mouth opening. Fractures were confirmed with plain radiography and computerized tomography. The fractures were reduced with ...

Journal: :Acta odontologica latinoamericana : AOL 2016
Pablo W Trinks María Belén Grifo Fernando Pari Mariano Ar Amer Gabriel A Sánchez

The third molar is a tooth of anatomical, surgical, prosthetic and forensic dental interest. However, there is currently a lack of updated data regarding its morphology. The aim of this study was to determine the morphometric features of third molars and their predictive capability as regards dental arch and side. Two calibrated operators (ƙ = 0.83) determined the cervicalocclusalvestibular (CO...

Journal: :The journal of contemporary dental practice 2011
Faiez N Hattab Othman M Yassin

AIM Thalassemia is a group of inherited hemoglobinopathies with thalassemia major representing the severe form of the disease characterized by craniofacial deformities. The aim of this study is to provide a detailed description of dental arch dimensions in subjects with thalassemia major. SUBJECTS AND METHODS The sample consisted of 43 thalassemic subjects, 24 males and 19 females, aged 7.3 t...

2005
ALPHONSE R. BURDI

Changes in shape of the mandibular dental arch were demonstrated in a developmentally representative sample of human embryos. Each reconstructed arch was described in terms of a conformance to a reference geometric curve; ie, catenary. Cross-sectional sample trends showed that the initial dental lamina is anteroposteriorly flattened during the sixth week and begins a progressive elongation and ...

2011

This study determines and compares the frequency distribution and results of two methods establishing morphology of the dental arch form. It was conducted on 250 patients visiting Lahore Medical and Dental College, Lahore. The casts were measured and photocopied, which were analyzed first by using a mathematical model as advocated by Noroozi3 and then by superimposing orthoform templates to det...

Journal: :The Bulletin of Tokyo Dental College 2002
Teruo Sakamoto Satomi Sakamoto Morihiro Harazaki Yasushige Isshiki Hideharu Yamaguchi

Patients with cleft lip and palate can suffer from contraction of the maxillary arch and anterior cross-bite accompanied by skeletal growth retardation. We use an appliance called an external-expansion arch and induce maxillary protraction using a facial mask in order to correct the anterior cross-bite and maxillary retrusion. In this paper, the method of application of these appliances and the...

2015
Sabrina Mutinelli Mario Manfredi Antonio Guiducci Gloria Denotti Mauro Cozzani

BACKGROUND Anchorage onto permanent dentition is a common procedure in rapid maxillary expansion. However, replacing first permanent molars with the second deciduous molars seems to be an option to reduce some negative side effects during orthodontic treatment. The purpose of this study was to evaluate the dental effect of rapid maxillary expansion with anchorage exclusively onto deciduous teet...

2017
PRADEEP JAIN PALLAV PATNI PANT YOGESH VYAS ANUP

The endodontic treatment of maxillary third molar often poses a challenge even to an experienced endodontist because of their most posterior location in the dental arch, aberrant occlusal anatomy, abnormal root canal configuration and eruption patterns. Owing to these anatomical limitations, their extraction remains the treatment of choice for many clinicians. As we know, retaining every functi...

2012
Siti Adibah Othman Eunice Soh Xinwei Sheh Yinn Lim Marhazlinda Jamaludin Nor Himazian Mohamed Zamros Yuzaidi Mohd Yusof Lily Azura Shoaib Nik Noriah Nik Hussein

OBJECTIVE To determine and compare the frequency distribution of various arch shapes in ethnic Malays and Malaysian Aborigines in Peninsular Malaysia and to investigate the morphological differences of arch form between these two ethnic groups. METHODS We examined 120 ethnic Malay study models (60 maxillary, 60 mandibular) and 129 Malaysian Aboriginal study models (66 maxillary, 63 mandibular...

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