Results 81 to 90 of about 26,587 (299)

Synchrotron radiation reveals the identity of the large felid from Monte Argentario (Early Pleistocene, Italy) [PDF]

open access: yes, 2018
We describe here a partial skull with associated mandible of a large felid from Monte Argentario, Italy (Early Pleistocene; ~1.5 million years). Propagation x-ray phase-contrast synchrotron microtomography of the specimen, still partially embedded in the
Fernandez, Vincent   +7 more
core   +4 more sources

Inter‐ and intraspecific variation in theropod dinosaur dental microwear and its palaeoecological implications

open access: yesThe Anatomical Record, EarlyView.
Abstract Differences in skull and tooth morphology, stomach contents, and estimated bite force between medium‐to‐large sized (≥100 kg) predatory theropod dinosaurs have long been suspected to correlate with differences in their diets and dietary guilds (e.g., hypercarnivory, piscivory).
Cassius Morrison   +9 more
wiley   +1 more source

Effect of head orientation on mandibular bone linear measurements in CBCT imaging

open access: yesBMC Oral Health
Objective Cone Beam Computed Tomography (CBCT) is a widely used diagnostic tool for bone assessment. However, the impact of head orientation on linear bone measurements remains debated.
Rojin Ardalani   +3 more
doaj   +1 more source

Near-infrared imaging of demineralization on the occlusal surfaces of teeth without the interference of stains. [PDF]

open access: yes, 2019
Most new caries lesions are found in the pits and fissures of the occlusal surface. Radiographs have extremely low sensitivity for early occlusal decay, and by the time the lesion is severe enough to appear on a radiograph, it typically has penetrated ...
Almaz, Elias   +4 more
core   +1 more source

Large mammal remains from the early pleistocene site of Podere San Lorenzo (Perugia, Central Italy) [PDF]

open access: yes, 2019
Most of the research on fossil mammals from Umbria (central Italy) has been carried out in the southwestern branch of the Tiber basin, due to its paleontological richness.
Azzarà, Beatrice   +6 more
core   +3 more sources

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

The Occlusal Plane Orientation in Complete Denture Success: Principles and Practices

open access: yesAdvances in Human Biology
The occlusal plane itself is an important guiding element in the prosthodontic treatment with complete dentures. Its ideal placement is crucial to functional competence, aesthetic congruence and patient comfort.
Shalabh Kumar   +2 more
doaj   +1 more source

Cephalometric variability among siblings [PDF]

open access: yes, 2019
OBJECTIVE: To determine whether multiple siblings in a family resemble one another in terms of their craniofacial characteristics.  METHODS: This pilot study was conducted retrospectively using the Forsyth Twin sample.
Marcks, Katharine Luskin
core  

The petrotympanic canal (Huguier canal): Evolutionary, anatomical, and medical perspectives

open access: yesThe Anatomical Record, EarlyView.
Abstract The petrotympanic canal, traditionally referred to as Civinini's or Huguier's canal, represents an anatomical passage connecting the middle ear and temporomandibular joint (TMJ). Despite its early description, its structural complexity and functional significance have often been underestimated. In this study, we combined historical, anatomical,
Andrea Papini   +8 more
wiley   +1 more source

Assessing the Correlation between Cephalometric Measurements In Patients with Class II Malocclusion

open access: yesJournal of Mazandaran University of Medical Sciences, 2022
Background and purpose: Some measurements such as angles and planes drawn in lateral cephalometry have different relationships and correlation coefficients which help to distinguish different types of malocclusions.
Aliakbar Naghavialhosseini   +4 more
doaj  

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