نتایج جستجو برای: complicated crown fracture

تعداد نتایج: 196117  

Journal: :The Veterinary quarterly 1997
A W van Foreest F J Roeters

In this clinical study, 19 full metal crown restorations of canine teeth were placed in seven working dogs. Thirteen canine teeth were severely abraded with no involvement of the pulp cavities; six fractured canine teeth were endodontically treated. At least 1/3 of the coronal part of the canine tooth was available for a supragingivally performed, minimal tooth crown preparation. An adhesive te...

Journal: :Journal 2008
Ceyhan Altun Günseli Güven Zafer C Cehreli Taskin Gurbuz Cumhur Aydin

Intrusive luxation is a serious dental injury that causes damage to the pulp and supporting structures of a tooth because of its dislocation into the alveolar process. This paper presents the case of the re-eruption of a severely intruded immature permanent incisor with a crown-root fracture. A 9-year-old boy was referred to the clinic 1 day after a fall. Clinical and radiographic examinations ...

Journal: :Journal of biomedical materials research. Part B, Applied biomaterials 2007
Joachim Tinschert Gerd Natt Nina Mohrbotter Hubertus Spiekermann Karen A Schulze

The lifetime of a ceramic is dependent on the presence of incidental cracks and their gradual propagation under the conditions of the oral cavity. The objective of this study was to examine the long-term strength of glass-infiltrated alumina- and various zirconia ceramics currently used in CAD/CAM systems to manufacture crown and bridge frameworks. Fracture mechanics were applied to determine c...

2017
Raniel Fernandes Peixoto Krysna Torres de Almeida Julia Peixoto Campos Antônio Vinicius Holanda Barbosa Patrícia dos Santos Calderón

Dento-alveolar traumas are one of the most frequent injuries to teeth, mainly affecting the upper incisors due to their exposed position in the dental arch. In such cases, esthetics, function and phonetics of anterior teeth may be compromised. Furthermore, when there is involvement of the biological width, there is often a poor prognosis. This case report describes the multidisciplinary approac...

2010
Mustafa ZORTUK Mustafa Zortuk Eylem Ozdemir Suleyman Aguloglu

With the advent of new provisional crown materials, it has become imperative to evaluate their strength in order to select the appropriate crown material. This study examined the fracture resistance of three different provisional materials. To simulate oral conditions, the specimens were fabricated in brass molds, ensuring their similarity to premolars. The 33 fabricated specimens were divided ...

2012
Pragati Mirikar

This paper presents a clinical report demonstrating combined restorative bioadhesive treatment and prosthetic rehabilitation of uncommon type of dental injury in an eighteen-year-old female involving crown fracture of all the permanent first molars and left upper premolars due to a bicycle riding accident. To restore the coronal fracture with invasion of biologic width, flap surgery with osteot...

2014
Érica Dorigatti de Avila Rafael Scaf de Molon Mauricio de Almeida Cardoso Leopoldino Capelozza Filho Marilia Mattar de Amoêdo Campos Velo Francisco de Assis Mollo Luiz Antonio Borelli Barros

The aim of this paper is to present a complex rehabilitation, of fractured tooth, with implants in anterior region considering the orthodontics extrusion to clinical success. At 7 years old, the patient fractured the maxillary left central incisor and the dentist did a crown with the fragment. Twenty years later, the patient was referred to a dental clinic for orthodontic treatment, with the ch...

Introduction: Since crown lengthening surgery could be accompanied by stress, pain and discomfort, knowledge about its predisposing factors could reduce the demands for such surgery.The aim of this study was to identify the most important indications of crown lengthening surgery in order to present new ideas to clinicians on how to reduce the need for this surgery. Methods: This cross-sectio...

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