نتایج جستجو برای: periapical radiography

تعداد نتایج: 22930  

Mahtab Kheirkhahi, Mehran Hosseinzadeh , Mehrdad Dehghanpour barooj, Sima Nikneshan,

Objectives: This study aimed to compare the efficacy of panoramic radiography and the buccal object rule in intraoral periapical radiography for localization of impacted maxillary canine teeth. Methods: A total of 20 panoramic radiographs depicting 28 displaced maxillary canines were evaluated. The ratio of the mesiodistal width of the impacted canine to the mesiodistal width of the...

2016
Zahrasadat Madani Ehsan Moudi Ali Bijani Elham Mahmoudi

INTRODUCTION The aim of this study was to compare the diagnostic value of cone-beam computed tomography (CBCT) and periapical (PA) radiography in detecting internal root resorption. METHODS AND MATERIALS Eighty single rooted human teeth with visible pulps in PA radiography were split mesiodistally along the coronal plane. Internal resorption like lesions were created in three areas (cervical,...

2008
Mihaela HEDESIU

Mihaela HEDESIU, MDa; Andrea SERBANESCU, MDb; Cornelia CIOLAN, MDc; Ioana NICULAE, MDb; Floarea FILDAN, MD, PhDd; Maier MARIUSe aAssistant lecturer of Dental Radiology Department, “Iuliu Hatieganu” UMPh, Cluj-Napoca, Romania bPhD student of Dental Radiology Department, “Iuliu Hatieganu” UMPh, Cluj-Napoca, Romania cDental physician of Dental Surgery, Cluj-Napoca, Romania dProfessor of Dental Rad...

Journal: :Brazilian dental journal 2008
Carlos Estrela Mike Reis Bueno Manoel Damião Sousa-Neto Jesus Djalma Pécora

This article describes and discusses a method to determine root curvature radius by using cone-beam computed tomography (CBCT). The severity of root canal curvature is essential to select instrument and instrumentation technique. The diagnosis and planning of root canal treatment have traditionally been made based on periapical radiography. However, the higher accuracy of CBCT images to identif...

Journal: :The journal of contemporary dental practice 2017
Puneeta D Ahuja Sheetal P Mhaske Gaurav Mishra Atul Bhardwaj Ruby Dwivedi Sachin B Mangalekar

INTRODUCTION One of the common findings encountered by the clinician at the end of orthodontic treatment is the apical root resorption. Root resorption occurs to various degrees. A severe form of root resorption is characterized by shortening of root for more than 4 mm or more than one-third of the total tooth length. A low incidence rate of resorption is observed based on radiographic findings...

Journal: :Oral surgery, oral medicine, and oral pathology 1993
S L Brooks S Y Cho

It has been recommended that the prescription of dental radiographic examinations be based on a series of selection criteria. This study evaluated the usefulness of the presence of a large or deep restoration as an indicator for the need for a radiographic examination. Patients in need of routine examinations were questioned regarding pain in restored teeth. The radiographs of 2269 restored tee...

2017
Nicolau Silveira-Neto Mateus Ericson Flores João Paulo De Carli Max Dória Costa Felipe de Souza Matos Luiz Renato Paranhos Maria Salete Sandini Linden

OBJECTIVES This research evaluated detail registration in peri-implant bone using two different cone beam computer tomography systems and a digital periapical radiograph. METHODS Three different image acquisition protocols were established for each cone beam computer tomography apparatus, and three clinical situations were simulated in an ex vivo fresh pig mandible: buccal bone defect, peri-i...

M Alavi, M Moeini , N Lotfizadeh ,

Abstract Background Bisphosphonates‎ inhibit osteoclasts, prevent bone resorption and decrease bone turnover. This study examined radiography finding in bisphosphonate-associated osteonecrosis of jaws. Materials and Methods This is a retrospective series of 12 clinically diagnosed patients between 7 to 21 year old (average 13 years). They required emergency dental conditions requiring mana...

2013
M Moeini M Moeini N Lotfizadeh M Alavi

BACKGROUND Bisphosphonates‎ inhibit osteoclasts, prevent bone resorption and decrease bone turnover. This study examined radiography finding in bisphosphonate-associated osteonecrosis of jaws. MATERIALS AND METHODS This is a retrospective series of 12 clinically diagnosed patients between 7 to 21 year old (average 13 years). They required emergency dental conditions requiring management by de...

Journal: :Journal of oral science 2011
Masao Araki Naoyuki Matsumoto Kunihito Matsumoto Masaaki Ohnishi Kazuya Honda Kazuo Komiyama

Panoramic radiography and cone-beam computed tomography (CT) were used to analyze asymptomatic radiopaque lesions in the jaw bones and determine the diagnostic relevance of the lesions based on their relationships to teeth and site of origin. One hundred radiopaque lesions detected between 1998 and 2002 were examined by both panoramic radiography and cone-beam CT. On the basis of panoramic radi...

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