Results 251 to 260 of about 57,861 (304)

Impact of Bristle Hardness of Manual Toothbrushes on the Cleaning Efficacy of Teeth with Fixed Orthodontic Appliances. [PDF]

Oral Health Prev Dent
Wüthrich D, Gubler A, Attin T, Wegehaupt FJ.   +3 more
europepmc   +1 more source

The predatory behavior of ants: an impressive panoply of morphological adaptations

Insect Science, EarlyView.
This review focuses on predation in ants, showing the wide diversity of cases from solitary foraging to group hunting tactics, as well as the evolution of mandible shape frequently adapted to capture specific prey. Although most ants are generalist feeders, finding their sugary substances directly on plants or indirectly via sap‐sucking insects, some ...
Alain Dejean, Xim Cerdá, Jérôme Orivel, Frédéric Azémar, Alexander L. Wild, Bruno Corbara, Axel Touchard   +6 more
wiley   +1 more source

Comparison of fracture resistance among restorative techniques for endodontically treated mandibular premolars: an in vitro study. [PDF]

Saudi Dent J
Zulkifly DQ, Halil MHM, Zamry U, Nor SNHM.   +3 more
europepmc   +1 more source

The extent of proximal contact area of maxillary anterior teeth: a cross-sectional study. [PDF]

Saudi Dent J
Kallala R, Sdiri O, Gassara Y, Daouahi N.   +3 more
europepmc   +1 more source

Comparison of slot wall deformation in conventional and self-ligating brackets during torque with TMA wire - A finite element analysis. [PDF]

Bioinformation
Keerthana C, Siri Krishna P, Kumar P, Hegde M, Chaitra C.   +4 more
europepmc   +1 more source

Accuracy of 3 Intraoral and 1 Extraoral Digital Scanning Systems for Multiple Laminate Veneer Preparations: An In Vitro Study. [PDF]

Med Sci Monit
Ahmad M, Sayed ME, Abdul HN, Basihi MA, Khalawi AM, Jokhadar HF, Muaddi MH, AlResayes SS, Alqarawi FK, Althubaitiy RO, Alshammakhy R, Alsaeed AY, Zidane B.   +12 more
europepmc   +1 more source

Dynamic modelling and experimental validation of involute gears based on multi-damage evolution mechanisms. [PDF]

Sci Rep
Mao H, Ding Y, Li X, Chen Y, Zhang B.
europepmc   +1 more source

Rapid Spur Gear Profile Inspection Using Chromatic Confocal Sensors. [PDF]

Sensors (Basel)
Chang BH, Wu TH, Chang WC, Chiang CP, Chieng WH.   +4 more
europepmc   +1 more source

Tooth Contact Analysis of the Double Circular Arc Tooth Spiral Bevel Gear [PDF]

Applied Mechanics and Materials, 2010
Tooth contact analysis is an effective tool for meshing analysis of the double circular arc profile spiral bevel gear (DCAPSBG), as well as the basis for loading tooth contact analysis and finite element analysis. Applying the principle of tooth contact analysis (TCA) and the tooth profile characteristic of the DCAPSBG, this paper introduced and ...
Rui Liang Zhang, Tie Wang, Hong Mei Li
openaire   +2 more sources

Tooth contact analysis of a curvilinear gear set with modified pinion tooth geometry [PDF]

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2011
This article investigated the contact behaviours of a modified curvilinear gear set for parallel-axis transmission, which exhibits a pre-designed parabolic transmission error (TE) and localized bearing contact. The proposed gear set is composed of a modified pinion with curvilinear teeth and an involute gear with curvilinear teeth.
Y-C Chen, M-L Gu
openaire   +2 more sources