Results 41 to 50 of about 7,932 (265)

Histology and fossil diagenesis of a pterosaur tooth from the Crato Formation (Lower Cretaceous of Brazil)

open access: yesThe Anatomical Record, EarlyView.
Abstract Pterosaur dental biology remains poorly understood despite its importance for comprehending feeding strategies and flight adaptations. Here, we present the first comprehensive histological analysis of an ornithocheiriform pterosaur tooth from the Lower Cretaceous Crato Formation (Santana Group, Northeast Brazil).
Tito Aureliano   +3 more
wiley   +1 more source

Influence of 10-MDP concentration on the adhesion and physical properties of self-adhesive resin cements [PDF]

open access: yesRestorative Dentistry & Endodontics, 2019
ObjectivesSelf-adhesive resin cements contain functional monomers that enable them to adhere to the tooth structure without a separate adhesive or etchant.
Kazuhiko Shibuya   +4 more
doaj   +1 more source

Color difference of composite resins after cementation with different shades of resin luting cement

open access: yesOdontology, 2017
The purpose of this study was to evaluate the color difference of nanohybrid and ormocer-based composite resins with different thicknesses when 4 different shades of resin luting cement were used. 56 disc specimens of each composite resin (Aelite aesthetic enamel, Ceram-X mono) with 0.5 and 1 mm thicknesses were fabricated.
Cengiz Yanardag, Esra   +3 more
openaire   +3 more sources

Growth dynamics, skeletochronology, and histovariability of the theropod dinosaur Berthasaura leopoldinae

open access: yesThe Anatomical Record, EarlyView.
Osteohistological sampling on different bones of theropod dinosaur documents discrepant age record, growth, and metabolism. This could result unprecise paleobiological inferences if samplings are based on single bones. However, multi‐bone sampling can attenuate these discrepancies, helping to infer growth dynamics and physiology of these extinct ...
Geovane Alves de Souza   +3 more
wiley   +1 more source

The effect of indirect veneering materials as light interpose on microhardness of dual cured resin cements [PDF]

open access: yesAl-Rafidain Dental Journal, 2013
Aims: The aim of this study was to investigate the influence of different indirect veneering materials on the microhardness of dual-cured resin cements.
Maha A AL-Murad , Ma’an M Nayif
doaj   +1 more source

Indirect Resin Onlay Cemented with Self-adhesive Resin Cement: A Comprehensive Clinical Overview

open access: yesWorld Journal of Dentistry, 2012
ABSTRACTAdvances in adhesive technology and esthetic dental materials have permitted clinicians to perform conservative preparation of the dentition for onlay restorations. Indirect resin onlays are a great alternative to dental crowns for reestablishment the function and esthetic in teeth with great destruction.Key messagesIndirect resin onlay is ...
Bandéca, Matheus Coelho   +8 more
openaire   +3 more sources

Paleopathology of a putative colossosaurian caudal vertebra (Neosauropoda: Titanosauria) from the Presidente Prudente Formation, Brazil

open access: yesThe Anatomical Record, EarlyView.
Abstract Studies investigating paleopathologies in sauropods remain scarce despite their relative abundance in the fossil record. In this study we report new occurrence of paleopathological features, corresponding to a neoplasm found in a middle caudal vertebra (MCT.R.2120) of an advanced titanosaur from the Presidente Prudente Formation (Bauru Basin ...
Maria Luiza Peres Bertolossi   +5 more
wiley   +1 more source

The effect of amine-free initiator system and polymerization type on long-term color stability of resin cements: an in-vitro study

open access: yesBMC Oral Health, 2022
Background This in vitro study evaluated the effect of amine-free initiator system and polymerization type on long-term color change of amine-free light-cure and dual-cure resin cements.
İdris Kavut, Mehmet Uğur
doaj   +1 more source

Integrated microanatomy and microstructure of the maxillary tooth plate reveal a reinforced feeding system and tougher diet in Late Triassic Hyperodapedontinae (Rhynchosauria, Archosauromorpha)

open access: yesThe Anatomical Record, EarlyView.
Abstract Hyperodapedontine rhynchosaurs possessed a unique oral apparatus, long interpreted as an adaptation for processing abrasive and resistant plant material. However, the microanatomical and histological evidence supporting this interpretation remains poorly documented.
Caio A. Scartezini   +3 more
wiley   +1 more source

A successful periodontal‐orthodontic treatment of an advanced case of dental trauma in a 9‐year‐old patient: A case report with 16‐year follow‐up

open access: yesClinical Advances in Periodontics, EarlyView.
Abstract Background Traumatic dental injury (TDI) most often requires complex and interdisciplinary management. Several factors are associated with the success of TDI treatment, including proper treatment planning and periodontal maintenance. Methods The present 16‐year follow‐up report describes the interdisciplinary management of an extrusive ...
João Carnio   +3 more
wiley   +1 more source

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