Results 91 to 100 of about 4,945 (221)

Examining the role of freebase nicotine in the harm reduction potential of oral nicotine pouches versus moist snuff: A randomized crossover trial

open access: yesAddiction, EarlyView.
Abstract Background and aims Oral nicotine pouches (ONPs) contain varying proportions of freebase nicotine (FBN), with higher FBN expected to increase nicotine delivery across the oral mucosa. Because ONPs contain fewer toxicants than moist snuff and may serve as a reduced harm alternative for smokeless tobacco, we compared how the FBN in ONPs affects ...
Brittney Keller‐Hamilton   +10 more
wiley   +1 more source

Paediatric Hospital Presentations for Odontogenic Pain and Infection in Western Australia

open access: yesAustralian Dental Journal, EarlyView.
ABSTRACT Background Oral health‐related conditions are a leading and preventable cause of paediatric hospital presentations in Australia, contributing substantially to healthcare expenditure and placing increasing pressure on public hospital infrastructure.
Jilen Patel   +6 more
wiley   +1 more source

Low‐Concentration Mineralization‐Promoting Peptide‐3–Containing Slurries Compared With Casein Phosphopeptide–Amorphous Calcium Phosphate on Demineralized Permanent Enamel: An Exploratory Ex Vivo Study

open access: yesAustralian Dental Journal, EarlyView.
ABSTRACT Background Casein phosphopeptide–amorphous calcium phosphate is a biomimetic remineralizing agent but is unsuitable for individuals with a milk‐protein allergy. This exploratory ex vivo study compared low‐concentration slurries containing mineralization‐promoting peptide‐3, sodium fluoride plus mineralization‐promoting peptide‐3, vehicle cream
Rıza Mert Sahın   +6 more
wiley   +1 more source

Analysis of meshing characteristics of incomplete gear pair in planetary roller screw mechanism

open access: yesXibei Gongye Daxue Xuebao
Based on the roller thread equation, the spur tooth profile equation, and coordinate transformation relationships, the surface equations of the incomplete gear pairs in the planetary roller screw mechanism were established.
BU Xiaokun   +4 more
doaj   +1 more source

Artificial Intelligence Systems in Prosthodontics: Current Applications and Challenges

open access: yesAustralian Dental Journal, EarlyView.
ABSTRACT Background The rapid development of artificial intelligence systems (AIS) in prosthodontics requires an overview of their applications, capabilities, opportunities and challenges. Methods This narrative review provides insights into AIS in prosthodontics and their applications.
Marjorie Faure   +5 more
wiley   +1 more source

Optimal Tooth Surface Correction of Internal Helical Gear and Mesh Simulation

open access: yesJixie chuandong, 2015
The profile of the gear in internal helical gear is modified to realize point to point contact. The transmission coordinate system is built to deduce the tooth surface equation,the nonlinear meshing equation is built based on meshing theory. The relative
Su Jianxin   +4 more
doaj  

Machine Learning‐Based Screening for Osteonecrosis of the Jaw in Panoramic Radiographs

open access: yesAustralian Dental Journal, EarlyView.
ABSTRACT Background Osteonecrosis of the jaw (ONJ) is a serious condition associated mainly with antiresorptive therapy and maxillofacial radiotherapy. As detection of its radiographic findings may facilitate patient referral, this study aimed to develop convolutional neural networks (CNNs) for ONJ screening in panoramic radiographs (OPGs).
Valéria Nagyová   +3 more
wiley   +1 more source

Multi-objective Optimal Design of RV-550E Reducer Cycloid Gear Profile Modification

open access: yesJixie chuandong, 2018
In order to obtain the best overall performance of cycloid profile,a multi-objective optimal design method of cycloid gear profile modification is presented. The cycloidal gear tooth profile equation and modification theory are introduced.
Wang Quan   +5 more
doaj  

Structural Problems are Solvable Problems: Working Together to Prevent Health Inequities With a Structural Vulnerability Approach

open access: yesAmerican Anthropologist, EarlyView.
ABSTRACT Anthropologists have long grappled with how to analyze the structural production of harm. Foundational formulations of structural violence demonstrated how social forces became embodied as disparities in health and survival but were difficult to operationalize across anthropological subdisciplines.
Meredith G. Marten   +8 more
wiley   +1 more source

Investigating relationships among strontium, barium, and seasonality in wild baboons

open access: yesArchaeometry, EarlyView.
Abstract Geochemical profiles of Australopithecus africanus and baboon teeth show fluctuating trace elements, possibly reflecting seasonal diets. Here we use laser ablation–inductively coupled plasma–mass spectrometric measurements of calcium‐normalized strontium and barium ratios (Sr/Ca and Ba/Ca) and ion microprobe analyses of oxygen isotopes (δ18O ...
Maya Bharatiya   +12 more
wiley   +1 more source

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