Results 81 to 90 of about 13,100 (298)

Endocrine disruptors and dental materials: health implications associated with their use in Brazil

open access: yesCadernos de Saúde Pública, 2002
This study analyzes international historical trends in the use of different types of materials in dental practice. The author describes the chemical properties of their ingredients and the potential and observed adverse effects in patients and dental ...
Coelho Antonio Jorge Molinário
doaj  

Five‐year tomographic and clinical evaluation of the socket shield technique: Case report

open access: yesClinical Advances in Periodontics, EarlyView.
Abstract Background The socket shield technique, one modality of partial extraction therapy, aims to preserve periodontal tissues and maintain the buccal alveolar bone volume following immediate implant placement or in prosthetic pontic sites, by the strategic maintenance of a tooth root fragment.
Renan Dalla   +3 more
wiley   +1 more source

Optimisation of interfacial bond strength of glass fibre endodontic post systems. [PDF]

open access: yes, 2011
MPhilCurrently endodontically treated teeth are clinically restored using a post and crown system, where the elastic modulus of the post is similar to dentine.
Thanjal, Narinderjeet Tina
core  

Push-out bond strength of glass fiber posts luted with two resin cements

open access: yesBrazilian Dental Science, 2017
Objective. To evaluate the bond strength of a prefabricated glass fiber post to the root dentin with two resin cements using the push-out test. Material and Methods.
Blanca Liliana Torres Léon   +4 more
doaj   +1 more source

Dental development in the tropical gar (Atractosteus tropicus) and the evolution of vertebrate dentitions

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background Dentitions have diversified enormously during vertebrate evolution, involving reductions, modifications, or allocations to prey seizing and processing regions. A combination of ancient and novel features related to dental and oropharyngeal apparatuses is found in extant lineages of non‐teleost fishes, such as the gars.
Anna Pospisilova   +4 more
wiley   +1 more source

Dental Silicate Cements: III. Environment and Durability [PDF]

open access: yes, 1968
The nature of the aqueous environment has considerable effect on the durability of dental silicate cements. When free from soluble reaction products, cements show little dissolution in the pH range associated with normal saliva, but are drastically ...
Reginald F. Batchelor, Alan D. Wilson
core   +1 more source

Uso das técnicas de infravermelho e de ressonância magnética nuclear na caracterização da reação ácido-base de um cimento odontológico experimental Use of infrared and magnetic nuclear resonance techniques in the characterization of the acid-base reaction of an experimental dental cement

open access: yesQuímica Nova, 2009
Glass ionomer cements (GICs) are products of the acid-base setting reaction between an finely fluoro-alumino silicate glass powder and poly(acrylic acid) in aqueous solution.
Marcio José Bertolini   +2 more
doaj   +1 more source

Anterior cingulate cortex neuron subtypes differentially regulate seizures

open access: yesEpilepsia, EarlyView.
Abstract Objective This study aimed to investigate the regulatory roles of distinct neuronal subtypes within the anterior cingulate cortex (ACC) in acute seizures and to identify cell type‐specific mechanisms underlying seizure modulation in this region. Methods Acute seizure models were established in mice via pentylenetetrazol injection.
Ziqian Yan   +12 more
wiley   +1 more source

Casein phosphopeptide-amorphous calcium phosphate nanocomplex (CPP-ACP) in dentistry: state of the art

open access: yesRevista Facultad de Odontología Universidad de Antioquia, 2019
Saliva and external agents containing different concentrations of sodium fluoride (NaF) promote the dental remineralization process. However, these resources may not be sufficient to counteract the multiple factors involved in the process of dental ...
Cristhian Camilo Madrid-Troconis   +1 more
doaj   +1 more source

Epilepsy surgery: From bench to the clinics

open access: yesEpilepsia Open, EarlyView.
Abstract Objective Recent advances in epilepsy surgery in patients with intractable epilepsy make it possible to study the mechanism of epilepsy in human brains. However, the true extent and propagation of each epileptogenic area from the epileptogenic focus in each patient is still difficult to perform “epilepsy cure” by surgery.
Tatsuya Tanaka
wiley   +1 more source

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