Results 21 to 30 of about 517,095 (306)

Obesity, Bone Loss, and Periodontitis: The Interlink

open access: yesBiomolecules, 2022
Obesity and periodontitis are both common health concerns that have given rise to considerable economic and societal burden worldwide. There are established negative relationships between bone metabolism and obesity, obesity and diabetes mellitus (DM ...
Pengfei Zhao, Aimin Xu, Wai Keung Leung
doaj   +1 more source

Histomorphometric bone assessment in patients with fracture of the proximal end of the femur [PDF]

open access: yesActa Ortopédica Brasileira, 2015
OBJECTIVE: To determine whether there is a difference on the bone architecture in patients with femoral neck fracture compared to patients with intertrochanteric fractures and assess the importance of aging on bone microarchitecture in patients with ...
Caio Gonçalves de Souza   +3 more
doaj   +2 more sources

Early evidence of stone tool use in bone working activities at Qesem Cave, Israel [PDF]

open access: yes, 2016
For a long while, the controversy surrounding several bone tools coming from pre-Upper Palaeolithic contexts favoured the view of Homo sapiens as the only species of the genus Homo capable of modifying animal bones into specialised tools.
Barkai, Ran   +8 more
core   +2 more sources

Allometric relationships among body mass, MUZZLE-tail length, and tibia length during the growth of Wistar rats1 [PDF]

open access: yesActa Cirúrgica Brasileira, 2015
PURPOSE : To investigate allometric relationships among body mass (BM), muzzle-tail length (MTL), and tibia length (TL) in Wistar rats and establish their growth rate change parameters. METHODS : Eighteen male and 18 female Wistar rats were studied from
Hildemberg Agostinho Rocha de Santiago   +5 more
doaj   +1 more source

A novel haptic model and environment for maxillofacial surgical operation planning and manipulation [PDF]

open access: yes, 2012
This paper presents a practical method and a new haptic model to support manipulations of bones and their segments during the planning of a surgical operation in a virtual environment using a haptic interface. To perform an effective dental surgery it is
Arnez, Victor   +7 more
core   +1 more source

Is miniscrew primary stability influenced by bone density?

open access: yesBrazilian Oral Research, 2011
Primary stability is absence of mobility in the bone bed after mini-implant placement and depends on bone quality among other factors. Bone quality is a subjective term frequently considered as bone density.
Mariana Marquezan   +4 more
doaj   +1 more source

In vivo characterization of carbon dots–bone interactions: toward the development of bone-specific nanocarriers for drug delivery

open access: yesDrug Delivery, 2021
Current treatments for osteoporosis and other bone degenerative diseases predominately rely on preventing further bone erosion rather than restoring bone mass, as the latter treatments can unintentionally trigger cancer development by undiscriminatingly ...
Rachel DuMez   +7 more
doaj   +1 more source

Cancellous bone and theropod dinosaur locomotion. Part I—an examination of cancellous bone architecture in the hindlimb bones of theropods [PDF]

open access: yes, 2018
This paper is the first of a three-part series that investigates the architecture of cancellous (‘spongy’) bone in the main hindlimb bones of theropod dinosaurs, and uses cancellous bone architectural patterns to infer locomotor biomechanics in extinct ...
Aamodt   +335 more
core   +3 more sources

Comparative Analysis of the Effect of Two Therapeutic Ultrasound Protocols for Regeneration of a Critical Bone Defect [PDF]

open access: yesRevista Brasileira de Ortopedia
Objective To compare the effect of two therapeutic ultrasound protocols, with different times of exposure in the regeneration of critical bone defect. Methods Forty-five male rats were distributed among three experimental groups: therapeutic ultrasound ...
Ana Flávia Calmon Daltro   +5 more
doaj   +4 more sources

Observation of Mammalian Similarity Through Allometric Scaling Laws [PDF]

open access: yes, 2002
We discuss the problem of observation of natural similarity in skeletal evolution of terrestrial mammals. Analysis is given by means of testing of the power scaling laws established in long bone allometry, which describe development of bones (of length ...
Alexander   +23 more
core   +2 more sources

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