نتایج جستجو برای: canal

تعداد نتایج: 32760  

2009
R. Peiris N. Pitakotuwage Eisaku Kanazawa U. B. Dissanayake

Results: Maxillary central and lateral incisors and canines typically presented with a single canal of type I canal configuration. In mandibular teeth, most of the central incisors showed type I (57.4%) canal configuration. Type III was found in 37.0% of the cases. The incidence of type III canal configuration in mandibular lateral incisors was 55.9%. The remainder was distributed mainly betwee...

2016
Snigdha Thakur

Local wound debridement in the diseased pulp space is the main step in root canal treatment to prevent the tooth from being a source of infection. Successful root canal therapy is always based on the combination of proper instrumentation, irrigation and obturation of the root canal. Of these three essential steps of root canal therapy, irrigation of the root canal is the most important techniqu...

2014
Ramin Mosharraf Sepideh Zare

OBJECTIVES An important factor that interferes with the bonding between the root canal wall and resin cement is the root canal sealer remnant. There is controversy about the effect of eugenol-containing sealers on the bond strength between resin cements and fiber post. The aim of this study was to evaluate the effect of the type of endodontic sealer on the bond strength of FRC posts cemented wi...

Journal: :iranian endodontic journal 0
chinni suneelkumar department of endodontics, department of conservative dentistry and endodontics, narayana dental college and hospital, india chellaswamy savarimalai karumaran department of endodontics, department of conservative dentistry and endodontics, ragas dental college and hospital, india sundararaman ramachandran department of endodontics, department of conservative dentistry and endodontics, ragas dental college and hospital, india rajamani indira department of endodontics, department of conservative dentistry and endodontics, ragas dental college and hospital, india padmabhan shankar department of endodontics, department of conservative dentistry and endodontics, ragas dental college and hospital, india anil kumar department of endodontics, department of conservative dentistry and endodontics, ragas dental college and hospital, india

introduction: the objective of this study was to compare the shaping ability of three rotary filing systems; constant taper k3 instruments, constant taper profile instruments and progressive taper protaper rotary instruments in clear resin blocks with simulated curved root canals. materials and methods: forty five resin blocks were divided into three groups. group a preparation was conducted wi...

Journal: :iranian endodontic journal 0
saeed rahimi maryam janani mehrdad lotfi shahriar shahi amirala aghbali mahdi vahid pakdel

microorganisms play a major role in initiation and perpetuation of pulpal and periapical diseases. therefore, elimination of the microorganisms present in the root canal system is the fundamental objective of endodontic treatment. the use of mechanical debridement, chemical irrigation or other antimicrobial protocols and intra-canal medicaments are critical to attain this goal. the aim of this ...

Journal: :acta medica iranica 0
mohammad hossein hekmatara

cavernous hemangioma is a rare benign tumor of the internal auditory canal (iac) of which fourteen cases have been reported so far. tinnitus and progressive sensorineural hearing loss (snhl) are the chief complaints of the patients. audiological and radiological planes, ctscan, and magnetic resonance image (mri) studies are helpful in diagnosis. the only choice of treatment is surgery with elec...

Journal: :Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology 2006
Shankai Yin Dongzhen Yu Manna Li Jian Wang

HYPOTHESIS Triple semicircular canal occlusion will eliminate rotatory stimulation to the vestibular peripheral system (as it blocks endolymphatic fluid movement) and therefore release rotatory vertigo attack. This surgery is safe in ears with endolymphatic hydrops. BACKGROUND Semicircular canal occlusion has been used as an alternative treatment of intractable benign paroxysmal positional ve...

Background and Aim: Maintaining the original central canal path during cleaning and shaping of the root canal system plays an important role in the success of endodontic treatment. This study sought to compare canal transportation and centering ability of WaveOne and SafeSider rotary files using cone-beam computed tomography (CBCT). Materials and Methods: This in-vitro, experimental study was ...

ژورنال: مجله دندانپزشکی 2006
خدمت, صدیقه , وحدتی‌فر, مجید ,

Background and Aim: Recent advances in technology have permitted manufacturers to produce endodontic files from NiTi alloy and rotary systems. According to manufacturers, these files maintain original canal shape better than hand files and reduce treatment time. The aim of this study was to compare a new rotary system (Race) with an older one (Profile) in maintaining the original shape of curve...

ژورنال: مجله دندانپزشکی 2016
خیاوی, حسام میکاییلی, رموزی, الهام, مصطفوی, مریم, نیکنامی, مهدی,

Background and Aims: Considering importance of recognizing the position of incisive canal before inserting intraosseous implants and bone harvesting from the symphysis and to preventing from adverse effects after these surgeries, using appropriate imaging method is essential and necessary. Due to the high accuracy measurement and high quality of CBCT and also low received dose to patien...

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