نتایج جستجو برای: tooth crown

تعداد نتایج: 104876  

2016

The method, known as the Hall Technique (HT) involves sealing early caries in primary molars with no tooth cutting, no removal of caries, and no local anaesthesia. That is “no needle "and "no drill”. A preformed metal crown (PMC), also referred to as a stainless steel crown, is cemented directly over caries that does not extend radiographically beyond the middle third of dentine. The sealing of...

Journal: :Journal of dental research 1969
S M Garn A B Lewis

Agenesis and hypodontia are associated with crown-size reduction in the remaining teeth (S. M. GARN ET AL, J Dent Res 41:717, 1962, Nature 200:488-489, 1963; J Dent Res 42:13441363, 1963; H. J. KEENE, Amer J Orth 50: 445-451, 1964; and K. HANIHARA ET AL, J Anthrop Soc Nippon 73:72-81, 1965). The question arises as to whether crown-size reduction associated with tooth number reduction is uniform...

2007
Masoud Parirokh Shahla Kakoei Ali Eskandarizadeh

This report describes a case of a 7 years old girl who suffered from complicated crown fracture of right mandibular central incisor because of a bicycle accident. For the tooth partial pulpotomy with calcium hydroxide, capping was performed in order to achieve apexogenesis and the tooth was restored with a double-seal of glass ionomer cement and composite resin. The patient was reviewed over 8 ...

2014
P Varun Menon Rakesh Koshy Zachariah L K Surej Kumar Sherin A Khalam

Gemination or Schizodontism, a relatively uncommon dental anomaly, is characterized by a tooth with a bifid crown and a common root and root canal. It is commonly seen in primary dentition and gemination in a supernumerary tooth is a rare phenomenon. The purpose of this paper is to present an unusual case wherein gemination has occurred in a lingually placed mandibular supernumerary third premo...

2017
H Karia M Karia

fabricated and prefabricated. In the late 19th century, the “Richmond crown,” a single-piece post-retained crown with a porcelain facing, was engineered to function as a bridge retainer. Richmond crown is not post and core system but it is customized, cast able post and crown system as both are single unit and casted together. It is easier to make cast metal restorations with the aid of posts f...

Journal: :Pediatric dentistry 1988
N M King L So

Traumatized anterior teeth with subgingival fractures of the crown and root can be restored successfully after orthodontic extrusion. A technique is described which involves the use of a localized fixed appliance made of rectangular wire. The appliance is fabricated in the laboratory prior to bonding to the teeth with composite resin. The simple design of the appliance makes it easy to manage a...

Journal: :Saudi medical journal 2013
Jun-Jie Xue Nian-Song Ye Jing-Yu Li Wen-Li Lai

Dilaceration is a comparatively uncommon dental deformity generally characterized by an angulation between crown and root, and consequently causing non-eruption of the tooth. Dilaceration generally occurs following trauma to the apices of deciduous dentition, which lies close to the permanent tooth buds. As a result, surgical extraction used to be the first choice when making the treatment plan...

2008
Mayra Cardoso Marcelo Ferreira Torres Mariana Ribeiro de Moraes Rego Luiz Carlos Santiago

INTRODUCTION Marginal discrepancies may lead to cement washout and marginal leakage, damaging periodontal and pulp tissues or causing premature loss of the restoration. PURPOSE This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional crowns. MATERIAL AND METHODS Four different application sites of provisional cement (Temp Bond NE...

2012
Bona Kim Yoon Lee Min-Ju Song Su-Jung Shin Jeong-Won Park

Crown reattachment is the most conservative treatment which can be used to restore fractured tooth, presumably with sufficient strength, while maintaining original contour, incisal translucency, and reducing chair time and cost.However, in case of crown fracture with pin-point pulp exposure, we should cautiously minimize the irritation to the pulp and consider pre-treatment pulpal status, choic...

2013
Kyung-Soo Nah

The author experienced 8 cases of pericoronal radiolucency involving an incomplete tooth crown that had not developed to form the cemento-enamel junction, and the underdeveloped crown sometimes appeared to be floating within the radiolucency radiographically. The first impression was that these cystic lesions had odontogenic keratocysts, but half of them turned out to be dentigerous cysts histo...

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