نتایج جستجو برای: permanent teeth

تعداد نتایج: 93245  

2010
Subba Reddy

Aim Conservative procedures using dentin bonding agents are one of the important aspects of paediatric dental practice. The objective of this in vitro study was to comparatively evaluate the microleakage of two self etching adhesives in primary and permanent teeth. Materials and methods Sixtyfour human anterior teeth (thirty-two primary and thirty-two permanent) were divided into four groups: p...

Journal: :Pediatric dentistry 1988
L Bodner J Lustmann

A longitudinal complicated crown-root fracture of an unerupted permanent incisor following trauma to primary teeth is reported. The development of the affected permanent tooth was not disturbed during a follow-up period of six years. Traumatic injuries to primary teeth can be transmitted to the permanent dentition because of the close relationship between the apices of primary teeth and the dev...

2014
Aayushi Bansal Kirti Asopa Anant Gopal Nigam Nikhil Marwah

Oligodontia is agenesis of numerous teeth (> 6), excluding the third molars. Its prevalence in permanent teeth has been estimated to be 0.14%. It is one of the most common anomaly affecting the permanent dentition but equally infrequent in the primary dentition. Presented here is a case report of 7 year old child with congenitally missing 10 primary anteriors in both maxillary and mandibular de...

Background and Aim : One of the concerns about orthodontic treatment is the external apical root resorption(EARR).Therefore, the aim of this study was to compare the rate of  EARR in posterior permanent endodontically treated and vital teeth after orthodontic treatment. Materials and methods: This observational and retrospective study was performed on 112 roots in 28 patients in the age range o...

Journal: :European journal of dentistry 2007
Dilsah Cogulu Atac Uzel Ozant Oncag Semiha C. Aksoy Cemal Eronat

OBJECTIVES The aim of this study was to investigate the presence of Enterococcus faecalis in endodontic infections in both deciduous and permanent teeth by culture and polymerase chain reaction (PCR) methods. METHODS A total of 145 children aged 5-13 years old were involved in this study. The presence of E. faecalis in necrotic deciduous and permanent teeth root canals was studied using cultu...

Journal: :Pediatric dentistry 2003
Paola Francescut Adrian Lussi

PURPOSE This in vitro study was performed to correlate the presence of discoloration on occlusal surfaces with its histological depth and assess its influence on Diagnodent measurements in a group of permanent and primary teeth. METHODS Ninty-five primary and 95 permanent third molars were randomly selected from a pool of macroscopically intact teeth. One site of the fissure on each occlusal ...

Journal: :European journal of orthodontics 2008
M L B Bille M J Kvetny I Kjaer

The hypothesis of this study is that children with unexpected early apical resorption of the primary teeth are also predisposed to resorption in the permanent dentition. Accordingly, the aim was to perform a longitudinal study focussing on the permanent teeth in children with unexpected early apical resorption in the primary dentition. Panoramic radiographs of 12 children (7 boys and 5 girls) a...

Journal: :Pediatric dentistry 1992
M Marcushamer D L King J W McCourt

With one exception, the English dental literature reveals no report of natal or neonatal teeth associated with anomalous development of their permanent successors. In a singular longitudinal study of 12 infants with natal mandibular incisor teeth, Gardiner reported essentially normal subsequent development, except for one infant with natal mandibular central incisors whose permanent replacement...

2011
Gozde Yildirim Sule Bayrak

Supernumerary teeth occur frequently in permanent dentition, but they are rarely found in primary dentition. Supernumerary teeth of orthodox shape and size that resemble normal dentition are called 'supplemental teeth'. Supplemental teeth are less common than supernumerary teeth and are often overlooked because of their normal shape and size.Supplemental teeth may cause esthetic problems, delay...

Journal: :Pediatric dentistry 2005
Christer Ullbro Alison Brown Svante Twetman

PURPOSE The purpose of this study was to evaluate the effect of a comprehensive preventive program, based on mechanical plaque control and local and systemic antibacterial measures, on periodontal health and preservation of permanent teeth in patients with Papillon-Lefèvre syndrome (PLS). METHODS Thirty-five consecutive PLS patients (median age=7 years; range=3-19 years) were treated and foll...

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