نتایج جستجو برای: tooth fracture

تعداد نتایج: 181576  

2013
Krishna Prasada

Complicated crown-root fractures are rare and often need complex treatment planning. This case report describes the management of an oblique crown-root fracture of maxillary right central incisor. Endodontic treatment of the tooth was performed and the tooth was provisionally restored. The tooth was then orthodontically extruded by 2 mm to raise the defect supraginigivally. Gingivectomy was per...

Journal: :Annali italiani di chirurgia 2014
Giovanni Dell'Aversana Orabona Vincenzo Abbate Salvatore D'Amato Antonio Romano Giorgio Iaconetta

AIM This study aims to clarify, according to our experience, the correct surgical sequence which should be followed in order to treat double mandibular fractures. MATERIAL OF STUDY From January 2007 to January 2010, we have conducted a retrospective study on a sample of patients operated on in our department. We include only those cases in which the jaw was fractured in 2 places, in particula...

Journal: :International Journal of Dental Research 2018

2017
Noor A Nawafleh Muhanad M Hatamleh Andreas Öchsner Florian Mack

PURPOSE To investigate the effect of reducing tooth preparation and ceramic thickness on fracture resistance of lithium disilicate crowns. MATERIALS AND METHODS Specimen preparation included a standard complete crown preparation of a typodont mandibular left first molar with an occlusal reduction of 2 mm, proximal/axial wall reduction of 1.5 mm, and 1.0 mm deep chamfer (Group A). Another typo...

Journal: :The journal of contemporary dental practice 2012
Preetam Shah Sachin C Gugwad Chetan Bhat Rahul Lodaya

Endodontic treatment makes the tooth brittle due to loss of bulk of tooth structure, decrease in the moisture content of dentin and dentin elasticity. The following study was carried out to evaluate the effect of endodontic treatment on the fracture resistance of the tooth and reinforcing ability of three different core materials. The following study comprised of sample size of 30 deciduous sec...

2016
M Jyothi

Traumatic injuries to the anterior teeth are a most common form of dental trauma that mainly affects children and adolescents. One of the options for managing tooth fracture when the tooth fragment is available and there is no or minimal violation of the biological width is the reattachment of the dental fragment. Reattachment of fractured tooth fragments can provide good and long-lasting esthe...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
s. valizadeh e. mohammad rabie z. azizi

objective: the diagnosis of vertical root fracture (vrf) in endodontically treated teeth is a clinical challenge due to lack of specific clinical and radiographic signs. although radiographic evaluation such as cbct is helpful, intracanal posts can produce artifacts and may impair the quality of cbct scans. this study aimed to compare the diagnostic accuracy of different resolutions of cbct in ...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
شیرین سخدری shirin sakhdari dental school, islamic azad university, tehran-iran.دانشکده دندانپزشکی، دانشگاه آزاد اسلامی، واحد تهران. پیمان مهرورزفر peyman mehrvarzfar dental school, islamic azad university, tehran-iran.دانشکده دندانپزشکی، دانشگاه آزاد اسلامی، واحد تهران. سمیه صفری somayeh safari مریم پژوتن maryam pazhutan dental school, islamic azad university, tehran-iran.دانشکده دندانپزشکی، دانشگاه آزاد اسلامی، واحد تهران محمدجواد خرازی فرد mohammad-javad kharazifard tehran university of medical sciences, tehran-iran.دانشگاه علوم پزشکی تهران

objective: vertical root fracture (vrf) is among the most common causes of endodontic treatment failures. this study aims to compare charge-coupled devices (ccd) and photostimulable phosphor plates (psp) for detection of vertical root fractures in endodontically treated teeth.   methods: in this diagnostic in vitro study, 40 maxillary anterior teeth were selected and after preparation and root ...

2012
Nitin Kararia Ajay Chaudhary Vandana Kararia

Coronal fractures of the anterior teeth are a common form of dental trauma. If the original tooth fragment is retained following fracture, reattachment of the fractured fragment to the remaining tooth can provide better and long-lasting esthetics, improved function, a positive psychological response and is a faster and less complicated procedure. This paper reports on two coronal tooth fracture...

Journal: :Journal of oral science 2013
Babacar Touré Yves Boucher

Vertical root fracture is a frequent complication in endodontically treated teeth and usually leads to extraction of the affected tooth. Differential diagnosis may be difficult, especially in patients with periodontal and endodontic disease. This case report describes the diagnosis and clinical and radiographic features of apical periodontitis and vertical root fracture of the same tooth, which...

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