نتایج جستجو برای: permanent teeth

تعداد نتایج: 93245  

Journal: :The journal of contemporary dental practice 2013
Leila Shafiei Parinaz Mojiri Yalda Ghahraman Vahid Rakhshan

AIM This study aimed to evaluate the microleakage of Class V restorations filled with a 7th-generation self-adhesive composite. MATERIALS AND METHODS In 40 permanent premolars and 80 primary canines, 160 Class V cavities were prepared, which were filled with four restorative materials (n of each material=20 permanent and 20 primary restorations): control: nonbonded composite (Heliomolar), GI:...

Journal: :Nepal Medical College journal : NMCJ 2010
L P Dixit C K Gurung N Gurung N Joshi

Extraction of permanent teeth is common in Nepal. The study was undertaken to determine the causes and pattern of missing permanent teeth among patients attending Peoples Dental College and Hospital (PDCH) and to see if there is any association between variables like socio economic status, patient education level, dental visit and extraction of permanent teeth. A prospective cross sectional sur...

2016
LAURA GAVRILA ADRIANA BALAN ANDREI VICTOR SANDU CARMEN SAVIN

The aims of this study research were to investigate the surface topography and to compare the remineralization potential of various commercial remineralizing products on primary and permanent teeth dentine. After artificial caries lesion formation, all the dentine samples of permanent and primary teeth were divided into five experimental groups. In group 1 (control group) the samples have been ...

2013
Sandip Kulkarni S. M. Meghana Monica Yadav

Developmental anomalies can occur as a result of conjoining or twinning defects. These include fusion, gemination and concrescence. Such anomalies occur more often in the deciduous than in the permanent dentition and only a few cases involving molar and premolar teeth have been reported in the literature. Cases of bilateral double teeth are less frequent than unilateral and prevalence seems to ...

Journal: :Pediatric dentistry 1997
J E Nör R J Feigal J B Dennison C A Edwards

The literature suggest differences between primary and permanent teeth regarding the composition and morphology of the dentin. The purpose of this study was to compare the effect of two dentin conditioners on the micromorphology of the dentin surface of primary and permanent teeth. Human extracted and noncarious molars were divided into four groups and conditioned with either 10% phosphoric aci...

2016
Hyeon-Goo Kang Yoon-Hyuk Huh Chan-Jin Park Lee-Ra Cho

Oligodontia is defined as a congenital tooth agenesis with the absence of six or more permanent teeth. This clinical report describes a patient with non-syndromic partial oligodontia, with retained deciduous teeth and the absence of 16 permanent teeth. Anterior esthetic problems were caused by interarch tooth size discrepancy, interdental space, aberrant tooth dimensions, and the absence of cen...

Journal: :European journal of paediatric dentistry : official journal of European Academy of Paediatric Dentistry 2007
M Bossù A Bartoli G Orsini E Luppino A Polimeni

AIM To assess at the scansion electron microscope (SEM) the structural aspects of enamel hypoplasia (EH) in coeliac disease (CD) with the aim to investigate our hypothesis of a possible significant difference between structural characteristics of EH in CD affected patients and EH of non-coeliac patients. If the presence of specific features of the EH associated with CD were demonstrated, these ...

Journal: :Medicina oral, patologia oral y cirugia bucal 2009
Heddie O Sedano Fabian Ocampo-Acosta Rosa I Naranjo-Corona Maria E Torres-Arellano

Dens in dente, also known as dens invaginatus and dilated compound odontoma, is a malformation that can occur on primary, permanent, or supernumerary teeth that is characterized by a deep invagination of the surface of a crown or root covered with enamel. This abnormality in tooth morphology generally affect the maxillary lateral incisors but several cases of multiple dens invaginatus have been...

Journal: :Folia medica 2013
Yordan D Tarpomanov Maria P Kukleva

Apical periodontitis in permanent children's teeth with incomplete root development is a challenge for endodontists to treat. It is important that highly efficient therapeutic methods and biologically valuable therapies be developed to prevent the loss of these teeth. The AIM of the study was to review modern literature on revascularization of non-vital permanent teeth with incomplete root deve...

Journal: :Pediatric dentistry 1987
S W Yuen J C Chan S H Wei

Double primary teeth were observed in 367 children and their relationship with the permanent successors was studied with the aid of radiographs. Double primary teeth involving 2 adjacent teeth and those involving the same tooth have different patterns of association with the permanent successors. Double primary teeth involving 2 adjacent teeth are associated more frequently with congenitally mi...

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