Results 201 to 210 of about 14,542 (232)

Oral health in professional Slovak soccer players: Assessment of dental risks, subgingival microbiota and genetic influences. [PDF]

PLoS One
Timkova S, Martinska V, Geckova AM, Elias V, Konecny M, Kizek P.   +5 more
europepmc   +1 more source

Calcium Hypophosphite: A New Active Ingredient for Biomimetic Oral Care. [PDF]

Biomimetics (Basel)
Enax J, Fandrich P, Schulze Zur Wiesche E, Amaechi BT.   +3 more
europepmc   +1 more source

Agreement in Subjective Periodontal Findings in Undergraduate Dental Training: A Retrospective Observational Study of Bleeding on Probing and Tooth Mobility. [PDF]

Dent J (Basel)
Jansen P, Krause F, Braun A, Jansen EE.
europepmc   +1 more source

The Potential Association Between Betel Nut Consumption and Apical Periodontitis: A Multicenter Cross-Sectional Study. [PDF]

Int J Dent
Nathani TI, Kumar V, Singh S, Singh S, Encinas M, Durán-Sindreu F, Olivieri JG.   +6 more
europepmc   +1 more source

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Nonlinear Dynamic Modelling and Analysis for a Spur Gear Pair Considering Tooth Profile Deviation Based on Tooth Contact Analysis

Journal of Vibration Engineering and Technologies, 2021
Transmission error is an important excitation source of gear transmission system. In many previous dynamic models, the transmission error is often treated as a simple harmonic function, ignoring the difference among transmission errors caused by different deviations.
Rui Xu, Renjun Li, Huang Kang
exaly   +2 more sources

Influence of module on measurement uncertainty of gear tooth profile deviation on gear measuring center

Measurement: Journal of the International Measurement Confederation, 2021
Abstract To improve the efficiency and accuracy of measurement uncertainty evaluation, the authors use the digital twin of a gear measuring center (DTGMC) technique, use the module of the gear parameters as a factor for measurement uncertainty evaluation, and establish the measurement uncertainty model of the gear tooth profile on the gear measuring ...
Peili Yin, Jianhua Wang
exaly   +2 more sources

Influence of coordinate system establishment error on tooth profile deviation measured by standard polar coordinate method on gear measuring center

Measurement: Journal of the International Measurement Confederation, 2022
Abstract This paper presents the influence of the coordinate system establishment error on the tooth profile deviation with the standard polar coordinate method (SPCM) for a gear measuring center (GMC). The tooth profile deviation measurement model of the SPCM and the coordinate system establishment error model are established.
Peili Yin, Jianhua Wang
exaly   +2 more sources

Improved analytical calculation model of spur gear mesh excitations with tooth profile deviations

Mechanism and Machine Theory, 2020
Abstract Time-varying mesh stiffness and gear transmission errors are the major excitations to gear dynamics system. How to calculate them more accurately and efficiently has attracted much attention worldwide for a long period. Especially consideration of the gear body structure coupling effect and the tooth profile error will make interactions ...
Zaigang Chen, Wanming Zhai, Kaiyun Wang   +2 more
exaly   +2 more sources

The Research on Tooth Profile Total Deviation Measuring Method Based on Coordination Measuring Machine

Applied Mechanics and Materials, 2012
Put forward a method that use scatter points which got in different places to measure the involution cylindrical gears, give a mathematical model that use the discrete points to sure the total deviation of gear tooth profile. The experience results show that this way is of high precision in measurement points, measurement an error data processing less ...
Yu Lan Wei
exaly   +2 more sources