Buscar
Mostrando ítems 1-10 de 166
Pulpal and periodontal reactions of immature permanent teeth in the dog to intrusive trauma.
(1995-04-01)
Pulpal and periodontal tissues of immature incisors of 10 dogs were radiographically and histopathologically evaluated immediately, 7, 15, 30 and 60 days after experimental intrusion induced by mechanical blows. Forty upper ...
EM evaluation of bacterial biofilm and microorganisms on the apical external root surface of human teeth
(2002-12-01)
The aim of this study was to evaluate the presence of bacterial biofilm on the external surface of the root apex in teeth with pulp necrosis, with and without radiographically visible periapical lesions, and in teeth with ...
Effects of hemostatic agents on the histomorphologic response of human dental pulp capped with calcium hydroxide
(2007-11-01)
Objective: To evaluate the response of human pulps capped with a calcium hydroxide [Ca(OH)2] cement after bleeding control with 2 hemostatic agents. Method and Materials: Pulps were exposed on the occlusal floor, and the ...
In vitro penetration of bleaching agents into the pulp chamber
(2004-02-01)
Aim: To investigate pulp chamber penetration of bleaching agents in teeth following restorative procedures. Methodology: Bovine lateral incisors were sectioned 3 mm apical to the cemento-enamel junction and the coronal ...
Use of 37% carbamide peroxide in the walking bleach technique: A case report
(2004-02-01)
Dental bleaching represents an effective, conservative, and relatively low-cost method for improving the appearance of discolored pulpless teeth. Among the bleaching techniques, the walking bleach technique with sodium ...
The challenges of treating a fused tooth
(2012-07-30)
This paper describes and discusses the multidisciplinary treatment involving a permanent maxillary lateral incisor fused to a supernumerary tooth, both presenting pulp necrosis and periapical lesion. A 15-year-old male ...
Regional odontodysplasia in early childhood: A clinical and histological study
(2009-09-01)
Regional odontodysplasia (RO) is a rare disorder of dental development. The affected teeth are clinically hypoplastic and hypocalcified, presenting a ghost-like appearance radiographically. The aim of this work was to ...
Prevalence of taurodontism in premolars
(1986-01-01)
Taurodontism does not involve molar teeth exclusively. To call attention to the occurrence of this phenomenon in premolars, 4,459 extracted mandibular and maxillary premolars were examined. Eleven showed evidence of ...
Microbial distribution in the root canal system after periapical lesion induction using different methods
(2008-12-01)
The aim of this study was to evaluate the microbial distribution in the root canal system after periapical lesion induction in dogs' teeth using different methods. Fifty-two root canals were assigned to 4 groups (n=13). ...
Pulpal lesions in normal and cyclosporin a treated rats
(1997-12-01)
The objective of this study was to examine the development of pulpal lesions in the lower molar of control and cyclosporin A (CyA) treated rats. The pulps of the first lower molars of 20 normal and 20 CyA treated rats were ...