Computed Tomography Evaluation of Nasal Bone and Nasal Pyramid in the Turkish Population

2017 ◽  
Vol 28 (4) ◽  
pp. 1063-1067 ◽  
Author(s):  
Hatice Kaplanoglu ◽  
Hüseyin Coskun ◽  
Ugur Toprak
Keyword(s):  
Computed Tomography ◽  
Nasal Bone ◽  
Turkish Population ◽  
Nasal Pyramid

Analysis of the nasal bone and nasal pyramid by three-dimensional computed tomography

2007 ◽  
Vol 265 (4) ◽  
pp. 421-424 ◽  
Author(s):  
Seung Ho Lee ◽  
Tae Yong Yang ◽  
Gil Soo Han ◽  
Young Hyo Kim ◽  
Tae Young Jang
Keyword(s):  
Computed Tomography ◽  
Three Dimensional ◽  
Nasal Bone ◽  
Nasal Pyramid

Computed Tomography Evaluation of Nasal Dimensions among Different Singaporean Ethnicities

2020 ◽  
Vol 36 (05) ◽  
pp. 499-504
Author(s):  
Charmain Liling Zhao ◽  
Suzanne Teo ◽  
Lisa Lim ◽  
Sandeep Uppal
Keyword(s):  
Computed Tomography ◽  
Degrees Of Freedom ◽  
Nasal Bone ◽  
Ct Images ◽  
Lateral Osteotomy ◽  
Significant Difference ◽  
Aperture Width ◽  
Nasal Pyramid ◽  
High Level ◽  
Pyriform Aperture

AbstractOsteotomies in rhinoplasty are performed to correct deformities in nasal contour. The size of osteotome used is dictated by the thickness of the bony nasal pyramid along the osteotomy route. The aim of this study is to determine whether nasal bony dimensions differ between different ethnic groups in Singapore. Randomly selected patients' computed tomography (CT) scans of the face performed between the years 2010 to 2013 in our institution (Khoo Teck Puat Hospital) were evaluated. The setting was a tertiary government hospital. CT images of 309 patients (233 Chinese [147 males, 86 females], 32 Malays [16 males, 16 females], and 44 Indians [33 males, 11 females]) were evaluated. Anthropomorphic measurements of the nasal bone along the track of the lateral, medial, and intermediate osteotomies, as well as the nasal bone length and pyriform aperture width were measured on the CT images by two independent observers. Statistical analysis was performed using Student's t-test and two-way analysis of variance (ANOVA) test. There was no significant difference between the nasal pyramid bone thickness between different ethnicities along the osteotomy tracks (p > 0.05; degrees of freedom [df] = 2). However, there was a significant difference between males and females of the same ethnicity at the low level of the lateral osteotomy (p = 0.003) and the midlevel (p = 0.002) and high-level (p = 0.004) of the intermediate osteotomy. There was a statistically significant difference in nasal pyramid length (p < 0.05, df = 2) and pyriform aperture width (p < 0.05, df = 2) among the races and between the genders (p < 0.05). The mean difference in nasal pyramid length of 2.54 mm and pyriform aperture width of 1.89 mm was particularly significant between the Chinese and the Indians. Gender and ethnic differences in nasal bony dimensions should be considered in surgical planning for rhinoplasty.

scholarly journals Examination of Paramolar Tubercles in Turkish Population Using Cone Beam Computed Tomography

2017 ◽  
Vol 35 (4) ◽  
pp. 1416-1421 ◽  
Author(s):  
Magrur Kazak ◽  
Gizem Colakoglu ◽  
Mehmet Ali Elcin ◽  
Esra Somturk ◽  
Solen Gunal
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Turkish Population ◽  
Cone Beam

scholarly journals Computed Tomography evaluation of maxillofacial injuries

2017 ◽  
Vol 12 (4) ◽  
pp. 131-136
Author(s):  
V Natraj Prasad ◽  
Ashish Khanal
Keyword(s):  
Computed Tomography ◽  
Multidetector Computed Tomography ◽  
Three Dimensional ◽  
Nasal Bone ◽  
Imaging Features ◽  
Maxillofacial Injuries ◽  
Female Population ◽  
Complex Anatomy ◽  
Plain Films ◽  
Maxillofacial Fractures

Background & Objectives: The maxillofacial region, a complex anatomical structure, can be evaluated by conventional (plain) films, Tomography, Multidetector Computed Tomography, Three-Dimensional Computed Tomography, Orthopantomogram and Magnetic Resonance Imaging. The study was conducted with objective of describing various forms of maxillofacial injuries, imaging features of different types of maxillofacial fractures and the advantage of using Three- Dimensional Computed Tomography reconstructed image. Materials & Methods: A hospital based cross-sectional study was conducted among 50 patients during April 2014 to September 2016 using Toshiba Aquilion Prime 160 slice Multi Detector Computed Tomography scanner.Results: The maxillofacial fractures were significantly higher in male population (88%) than female population (12 %). Road traffic accidents were the most common cause of injury others being physical assault and fall from height. It was most common in 31-40 years (26%) and 21-30 (24%) years age group. Maxillary sinus was the commonest fracture (36%) followed by nasal bone and zygomatic bone (30%), mandible and orbital bones (28%). Soft tissue swelling was the commonest associated finding. Three dimensional images (3 D) compared to the axial scans missed some fractures. However, the extension of the complex fracture lines and degree of displacement were more accurately assessed. Complex fractures found were Le fort (6%) and naso-orbito-ethmoid (4%) fractures.Conclusion: The proper evaluation of complex anatomy of the facial bones requires Multidetector Computed Tomography which offers excellent spatial resolution enabling multiplanar reformations and three dimensional reconstructions for enhanced diagnostic accuracy and surgical planning.

scholarly journals Evaluation of the root and canal morphology of mandibular permanent molars in a south-eastern Turkish population using cone-beam computed tomography

2014 ◽  
Vol 08 (02) ◽  
pp. 154-159 ◽  
Author(s):  
Bilge Gulsum Nur ◽  
Evren Ok ◽  
Mustafa Altunsoy ◽  
Osman Sami Aglarci ◽  
Mehmet Colak ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Root Canal ◽  
Turkish Population ◽  
Cone Beam ◽  
Type I ◽  
Second Molar ◽  
Mandibular Molars ◽  
Permanent Molars ◽  
Canal Morphology

ABSTRACT Objective: The aim of this retrospective study was to determine the root and canal morphology of the mandibular first and second permanent molars in a Turkish population using cone-beam computed tomography (CBCT). Materials and Methods: CBCT images of mandibular first (n = 966) and second molar (n = 1165) teeth from 850 Turkish patients were evaluated. The root canal configurations were classified according to the method of Vertucci. The data were analyzed by Pearson's Chi-square test. Results: The majority of mandibular molars were two rooted with three canals; however, three roots were identified in 0.05% of the first molars and 0.01% of the second molars, and 100% of the additional root canals were of type I configuration. Mesial roots had more complex canal systems with more than one canal, whereas most distal roots had a type I configuration. Conclusions: Within the limitations of this study, it can be concluded that CBCT scanning provides supplemental information about the root canal configurations of mandibular molars in a Turkish population. This study may help clinicians in the root canal treatment of mandibular molars.

scholarly journals Diagnostic tools in maxillofacial fractures: Is there really a need of three-dimensional computed tomography?

2016 ◽  
Vol 49 (02) ◽  
pp. 225-233 ◽  
Author(s):  
Sheerin Shah ◽  
Sanjeev K. Uppal ◽  
Rajinder K. Mittal ◽  
Ramneesh Garg ◽  
Kavita Saggar
Keyword(s):  
Computed Tomography ◽  
Clinical Examination ◽  
Computed Radiography ◽  
Three Dimensional ◽  
Nasal Bone ◽  
Conventional Radiography ◽  
Diagnostic Tools ◽  
Ct Reconstruction ◽  
Management Protocol ◽  
Maxillofacial Fractures

ABSTRACTIntroduction: Because of its functional and cosmetic importance, facial injuries, especially bony fractures are clinically very significant. Missed and maltreated fractures might result in malocclusion and disfigurement of the face, thus making accurate diagnosis of the fracture very essential. In earlier times, conventional radiography along with clinical examination played a major role in diagnosis of maxillofacial fractures. However, it was noted that the overlapping nature of bones and the inability to visualise soft tissue swelling and fracture displacement, especially in face, makes radiography less reliable and useful. Computed tomography (CT), also called as X-ray computed radiography, has helped in solving this problem. This clinical study is to compare three-dimensional (3D) CT reconstruction with conventional radiography in evaluating the maxillofacial fractures preoperatively and effecting the surgical management, accordingly. Materials and Methods: Fifty patients, with suspected maxillofacial fractures on clinical examination, were subjected to conventional radiography and CT face with 3D reconstruction. The number and site of fractures in zygoma, maxilla, mandible and nose, detected by both the methods, were enumerated and compared. The final bearing of these additional fractures, on the management protocol, was analysed. Results: CT proved superior to conventional radiography in diagnosing additional number of fractures in zygoma, maxilla, mandible (subcondylar) and nasal bone. Coronal and axial images were found to be significantly more diagnostic in fracture sites such as zygomaticomaxillary complex, orbital floor, arch, lateral maxillary wall and anterior maxillary wall. Conclusion: 3D images gave an inside out picture of the actual sites of fractures. It acted as mind’s eye for pre-operative planning and intra-operative execution of surgery. Better surgical treatment could be given to 33% of the cases because of better diagnostic ability of CT.

Sex estimation in a modern Turkish population using the clavicle: a computed tomography study

2020 ◽  
pp. 1-12
Author(s):  
Mustafa Bozdag ◽  
Ali Er ◽  
E. Kranioti ◽  
Can Doruk Basa ◽  
Burak Oztop ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Turkish Population ◽  
Sex Estimation

scholarly journals A cone-beam computed tomography study of the root canal morphology of anterior teeth in a Turkish population

2014 ◽  
Vol 08 (03) ◽  
pp. 302-306 ◽  
Author(s):  
Mustafa Altunsoy ◽  
Evren Ok ◽  
Bilge Gulsum Nur ◽  
Osman Sami Aglarci ◽  
Enes Gungor ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Root Canal ◽  
Turkish Population ◽  
Cone Beam ◽  
Chi Square ◽  
Anterior Teeth ◽  
Population Type ◽  
Canal Morphology

ABSTRACT Objective: The aim of this study was to determine the root and canal morphology of the maxillary and mandibular anterior teeth in a Turkish population by analyzing cone-beam computed tomography (CBCT) images. Materials and Methods: CBCT images of 417 females and 410 males with a mean age of ranging from 14 to 70 years were examined in this study. A total of 1453 maxillary central incisors, 1504 maxillary lateral incisors, 1523 maxillary canines, 1582 mandibular central incisors, 1603 mandibular lateral incisors, and 1604 mandibular canines were analyzed. The number of root canals and the canal configurations were investigated and then were classified according to Vertucci's classification. The data were analyzed with the Pearson Chi-square test. Results: The Type 1 canal configuration was most prevalent in the maxillary anterior teeth (96.8-99.7%). The Types 2, 3, 4, and 5 canal configurations were observed within the range of 0-1.3%, 0-0.8%, 0-0.7%, and 0-1.8%, respectively. In the mandibular anterior teeth, the Type 1 canal configuration was most prevalent (77-95%). The Types 2, 3, 4, and 5 canal configurations were observed within a range of 0.2-2.7%, 0.2-1.6%, 0.9-5.9%, and 1.8-14.4%, respectively. The prevalence of two canals was higher in males than in females both in the maxillary and mandibular anterior teeth (P < 0.05). Conclusions: Type 1 was the most prevalent canal configuration of maxillary and mandibular anterior teeth in the Turkish population. Type 5 was the most frequently observed canal configuration of the two canalled teeth. The incidence of root canal numbers and configurations differed with sex.

Sign in / Sign up

Export Citation Format

Share Document