نتایج جستجو برای: tooth discoloration

تعداد نتایج: 92102  

2014
Renato Herman SUNDFELD Daniel SUNDFELD-NETO Lucas Silveira MACHADO Laura Molinar FRANCO Ticiane Cestari FAGUNDES André Luiz Fraga BRISO

Superficial irregularities and certain intrinsic stains on the dental enamel surfaces can be resolved by enamel microabrasion, however, treatment for such defects need to be confined to the outermost regions of the enamel surface. Dental bleaching and resin-based composite repair are also often useful for certain situations for tooth color corrections. This article presented and discussed the i...

2011
Ryoko Hirata Yasutaka Kaihara Junji Suzuki Katsuyuki Kozai

Intrusions occur frequently in the primary dentition. It has been reported that conservative treatment of the intruded primary tooth is preferred if the apex is away from the permanent tooth germ. Conservative treatments include waiting for spontaneous re-eruption, and surgical re-positioning and fixation. Few papers have been published in Japan comparing the prognoses of intruded primary teeth...

Background and Aim: Common causes of dental discoloration include trauma, drugs, genetic defects, decay, and age. In order to correct discoloration of pulpless teeth, internal bleaching is recommended. The aim of this study was to compare microleakage of resin modified glass ionomer and OrthoMTA used as an intraorifice barrier in non-vital bleaching. Materials and Methods: In this experimental ...

ژورنال: مجله دندانپزشکی 2000
محمودیان, ژاله , مرتضوی, شیوا , کوثری, علی ,

Dental enamel is the end product of amelogenesis, which can be considered to take place in three interrelated phases. When this complex sequence of cytological and physicochemica! events disrupted by genetic or environmental factors, the function of the ameloblasts may be disrupted permanently or temporarily. The result shows qualitative and quantitative defects that may range from a complete a...

2017
Un-Bong Baik Hoon Kim Hwa-Sung Chae Ji-Yun Myung Youn-Sic Chun

OBJECTIVE Teeth discoloration is a rare orthodontic complication. The aim of this study was to report the clinical progression of discoloration during orthodontic treatment. METHODS Discolored teeth, detected during orthodontic treatment between January 2003 and December 2012 by a single dentist using similar techniques and appliances, were analyzed. RESULTS The total number of teeth that s...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
a ghassemi dept. of operative dentistry, dental school, shahid beheshti university of medical sciences, tehran, iran. sh emamieh dept. of operative dentistry, dental school, shahid beheshti university of medical sciences, tehran, iran. a soroudi h torabzadeh dept. of operative dentistry, dental school, shahid beheshti university of medical sciences, tehran, iran. v akhavan zanjani dept. of operative dentistry, dental school, shahid beheshti university of medical sciences, tehran, iran m abdo tabrizi dept. of operative dentistry, dental school, shahid beheshti university of medical sciences, tehran, iran

objective: selection of an appropriate shade of composite is critical in achieving an esthetic restoration. different systems are used to assess and describe color parameters. this study aimed to assess the effect of color and thickness of filtek supreme (fs) and premise (p) composite resins on correction of tooth discoloration.   methods: in this in vitro experimental study, 10 anterior teeth ...

Journal: :Research, Society and Development 2021

Root fractures can involve the dentin, cementum, and pulp commonly occur as oblique with varying orientations. The aim of this study was to demonstrate maintenance health in a tooth fractured root without any endodontic treatment discuss advantage cone-bean computed tomography (CBCT) compared traditional radiographs diagnosis fractures. Intra-oral radiography 11 revealed horizontal fracture at ...

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