نتایج جستجو برای: periapical

تعداد نتایج: 3849  

Journal: :avicenna journal of dental research 0
farrokh farhadi department of oral and maxillofacial surgery, faculty of dentistry, tabriz university of medical sciences, tabriz, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (tabriz university of medical sciences) seyed sina mirinezhad department of oral and maxillofacial surgery, faculty of dentistry, tabriz university of medical sciences, tabriz, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (tabriz university of medical sciences) ali zarandi department of periodontics, faculty of dentistry, tabriz university of medical sciences, tabriz, ir iran; department of periodontics, faculty of dentistry, tabriz university of medical sciences, tabriz, ir iran. tel: +98-4133355965سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (tabriz university of medical sciences)

conclusions based on 8.2 mm cut-off point could differentiate 83% periapical granulomas and 79% radicular cysts from radiography images. background the distinction between radicular cysts and apical granulomas is important in treatment decision. objectives the current study aimed to differentiate these two lesions based on radiography images. results average size of radiography in periapical gr...

Ali Eskandarizadeh, Mehrnaz Karimi-Afshar Molook Torabi, Omid Bidolahkhani

BACKGROUND AND AIM: Inflammatory Periapical lesions are the most common periapical lesions. These lesions are often diagnosed based on clinical and radiological examination, which may be different from the histological finding. The present study was carried out with aim to assess the rate and to compare clinical and radiographic features with histological diagnosis of periapical pathology.METHO...

Journal: :International endodontic journal 2007
C Ridao-Sacie J J Segura-Egea A Fernández-Palacín P Bullón-Fernández J V Ríos-Santos

AIM To compare the use of periapical radiographs and digital panoramic images displayed on monitor and glossy paper in the assessment of the periapical status of the teeth using the periapical index (PAI). METHODOLOGY A total of 86 subjects were examined. All participants underwent a full-mouth radiographic survey (14 periapical radiographs) and a panoramic radiography. The periapical status,...

Journal: :Medicina oral, patologia oral y cirugia bucal 2010
José V Ríos-Santos Cristina Ridao-Sacie Pedro Bullón Ana Fernández-Palacín Juan J Segura-Egea

AIM To compare the use of film-based periapical radiographs and digital panoramic images displayed on monitor and glossy paper in the assessment of the periapical status of the teeth. METHODOLOGY A total of 86 subjects were examined. All participants underwent a full-mouth radiographic survey (14 periapical radiographs) and a digital panoramic radiography. The periapical status of all apprais...

Journal: :Dento maxillo facial radiology 2009
R Christiansen L-L Kirkevang E Gotfredsen A Wenzel

OBJECTIVES Our aim was to compare periapical radiography and cone beam CT (CBCT) for assessment of the periapical bone defect 1 week and 12 months after root-end resection. METHODS 50 patients (58 teeth) with a persisting apical periodontitis in a root-filled tooth (incisor, canine or premolar) were treated with root-end resection. 1 week and 12 months post-operatively, a CBCT scan (NewTom 3G...

2014
Hongmei Guo Wei Lu Qianqian Han Shubo Li Pishan Yang

Aim. To report a case with an unusual drainage route of periapical inflammation exiting through the gingival sulcus of an adjacent vital tooth and review probable factors determining the diversity of the discharge routes of periapical inflammation. Summary. An 18-year-old male patient presented with periodontal abscess of tooth 46, which was found to be caused by a periapical cyst with an acute...

Journal: :Journal of endodontics 2016
Carla A B C M Nunes Orlando Aguirre Guedes Ana Helena G Alencar Ove A Peters Cyntia R A Estrela Carlos Estrela

INTRODUCTION Periapical inflammation is often responsible for distinct maxillary sinus (MS) changes. This retrospective, cross-sectional study evaluated the association between the clinical characteristics of periapical lesions (presence, size, and distance) in maxillary posterior teeth and the presence of sinus abnormalities by evaluating cone-beam computed tomographic (CBCT) images obtained f...

2015
Jénifer Martín-González Antonio Carmona-Fernández Antonio Pérez-Pérez Flora Sánchez-Jiménez Víctor Sánchez-Margalet Juan J. Segura-Egea

BACKGROUND Leptin, initially described as an adipocyte-derived hormone to regulate weight control, is expressed in normal and inflamed human dental pulp, being up-regulated during pulp experimental inflammation. Leptin receptor (LER) has been identified in human periapical granulomas. The aim of this study was to analyze and characterize the expression of leptin in human periapical granulomas. ...

2011
Rakesh Kumar Manne

Objectives: To find out the accurate prevalence of periapical pathology and to see the significance of the clinical signs in diagnosing each variant of periapical pathology. Methods: A study of 1000 patients chosen consecutively, who visited the department of oral radiology, for intraoral periapical radiographs. The clinical data of all the variants of periapical pathology were registered in a ...

Journal: :Endodontics & dental traumatology 2000
Z Metzger

Macrophages are major constituents of periapical granulomas. They have a central protective role in both innate immunity and adoptive, antigen-specific immune response. Macrophage activation may occur in periapical granulomas by cytokines produced by antigen-activated T-lymphocytes; by bacterial endotoxin, as part of the innate immunity; or by both these processes. Recent studies in athymic ani...

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