Results 71 to 80 of about 40,328 (262)

The coelurosaur theropods of the Romualdo formation, early Cretaceous (Aptian) of Brazil: Santanaraptor placidus meets Mirischia asymmetrica

The Anatomical Record, EarlyView.
Abstract The upper carbonate concretion levels of the Romualdo Formation (Aptian, Brazil) have yielded several theropod dinosaur remains, including spinosaurids and the coelurosaurs Santanaraptor placidus and Mirischia asymmetrica, the phylogenetic affinities of which are controversial.
Rafael Delcourt, Orlando Nelson Grillo, Christophe Hendrickx, Maximilian Kellermann, Max Cardoso Langer   +4 more
wiley   +1 more source

Clinical evaluation of direct and indirect restorations in class I cavities: a 10-year follow-up study

BMC Oral Health
Background In the clinic, it is crucial to be aware of the long-term clinical efficacy of restoration techniques, such as direct and indirect, when restoring molar teeth.
Neslihan Tekce, Mustafa Demirci, Safa Tuncer, Meltem Oğhan Türkoğlu, Vildan Turgut, Seyma Nilgun Balcı, Goktug Yersel   +6 more
doaj   +1 more source

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

The Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto, João Felipe Leal Kaiuca, Adriana Itatí Olivares, William Corrêa Tavares   +3 more
wiley   +1 more source

Stress Distribution Pattern in Class I Cavities Restored by Different Techniques According to the Stress Reducing Direct Composite Concept: A Finite Element Analysis

International Journal of Dentistry
Conclusion: In Class I cavities, application of polyethylene fiber beneath the micro-hybrid composite decreased the maximum stress applied to the adhesive and hybrid layers and total deformation, compared to the use of micro-hybrid composite alone ...
Seyedeh Maryam Tavangar, Reza Tayefeh Davalloo, Farideh Darabi, Gelareh Tajziehchi   +3 more
doaj   +1 more source

Multi‐method analysis for the three‐dimensional reconstruction of muscle fascicles from DiceCT datasets

The Anatomical Record, EarlyView.
Abstract Muscle architecture is a major determinant of muscle performance and, in mammalian lineages, has been correlated with both feeding ecology and locomotor behaviors. Over the past decade, contrast‐enhanced micro‐CT (DiceCT) has emerged as an alternative to traditional dissection‐based measurement.
Aleksandra Ratkiewicz, Michael C. Granatosky, Cassidy E. Davis, Julia Molnar, Adam Hartstone‐Rose, Edwin Dickinson   +5 more
wiley   +1 more source

Direct Restorative Closure of Maxillary Midline Diastema Using a 3D-Printed Matrix: A Case Report

Case Reports in Dentistry
Anterior midline diastema is a common esthetic concern that can adversely affect smile appearance. Direct composite resin restoration has emerged as a conservative treatment option for diastemas associated with tooth size discrepancies, as it allows ...
Yu Toida, Shuhei Hoshika, Kenta Tsuchiya, Midori Kawamura, Chiharu Kawamoto, Atsushi Tomokiyo   +5 more
doaj   +1 more source

An ontological morphological phylogenetic framework for living and extinct ray‐finned fishes (Actinopterygii)

The Anatomical Record, EarlyView.
Abstract The ray‐finned fishes include one out of every two species of living vertebrates on Earth and have an abundant fossil record stretching 380 million years into the past. The division of systematic knowledge of ray‐finned fishes between paleontologists working on extinct animals and neontologists studying extant species has obscured the ...
Jack Stack
wiley   +1 more source

Re‐evaluation of a soft crested Edmontosaurin, with implications for hadrosaurid life appearance and diversity

The Anatomical Record, EarlyView.
Abstract Hadrosaurid dinosaurs are generally regarded as “crested” or “non‐crested” depending on the presence or absence of a bony cranial crest. At least one supposedly “non‐crested” hadrosaur is known to have possessed a soft tissue cranial crest (or comb), based on an exceptionally preserved “mummified” specimen. Here we redescribe this specimen and
Henry S. Sharpe, Phil R. Bell, Ian Baylatry, Robin Sissons, Corwin Sullivan   +4 more
wiley   +1 more source

The cranial, mandibular, and hyoid anatomy of softshell turtles (Trionychidae): A revised character list for phylogenetic analysis

The Anatomical Record, EarlyView.
Abstract Softshell turtles (Pan‐Trionychidae) are an early branching clade of hidden‐necked turtles (Cryptodira) with a rich fossil record extending back to the Early Cretaceous. The evolutionary history of softshell turtles is still unresolved because of their conservative morphology combined with high levels of polymorphism related to morphological ...
Léa C. Girard, Walter G. Joyce
wiley   +1 more source

Effect of the use of remineralization agents before resin infiltration on the treatment of initial enamel lesions: an in-vitro study

BMC Oral Health
Aim This study aimed to evaluate the effect of the use of remineralization agents before the application of resin infiltration on the treatment of initial enamel lesions. Materials and methods Eighty buccal enamel samples were prepared from human molars,
Bengü Doğu Kaya, Aybike Manav Özen, Pınar Yılmaz Atalı, Ayça Sarıalioğlu Güngör, Evrim Dalkılıç, Elif Alkan, Dilek Tağtekin, Cafer Türkmen   +7 more
doaj   +1 more source