Results 81 to 90 of about 381,354 (308)

Computer-aided design of bevel gear tooth surfaces [PDF]

open access: yes
This paper presents a computer-aided design procedure for generating bevel gears. The development is based on examining a perfectly plastic, cone-shaped gear blank rolling over a cutting tooth on a plane crown rack.
Coy, John J.   +2 more
core   +1 more source

Mesiodens preventing eruption of a permanent central incisor [PDF]

open access: yes, 2005
A maxillary midline supernumerary tooth is the most common type of supernumerary tooth. We present a case of a mesiodens, preventing eruption of a permanent central incisor.
Azzopardi, Alexander   +2 more
core  

Oxygen Isotope Analysis of Human Bone Phosphate Evidences Weaning Age in Archaeological Populations [PDF]

open access: yes, 2015
Acknowledgements With special thanks to Jean-Jacques Hublin and the MPI-EVA; to Annabell Reiner (MPI-EVA) and Bernd Steinhilber (Universitat Tubingen) for technical support;and to the Deutscher Akademischer Austausch Dienst for financial support to KB ...
Alvarez   +129 more
core   +1 more source

Near-infrared light-responsive on-demand puerarin-releasing injectable hydrogel for promoting healing of infected wounds

open access: yesMaterials Today Bio
Wound infection is a serious clinical challenge, often accompanied by persistent inflammatory response and the threat of increased bacterial resistance, there is an urgent requirement to develop a wound dressing with potent antimicrobial as well as ...
Shaobo Zhai   +10 more
doaj   +1 more source

Interleukin‐18 expression in oral squamous cell carcinoma: its role in tumor cell migration and invasion, and growth of tumor cell xenografts

open access: yesFEBS Open Bio, 2018
Oral squamous cell carcinoma (OSCC) is one of the most common head and neck malignancies. Advanced stages of the disease are associated with poor survival, highlighting a need for new treatment modalities.
Yuyang Li   +5 more
doaj   +1 more source

Smart Denture with Embedded Thin‐Film Temperature Sensors Patterned by Femtosecond Laser Pulse for Elderly Healthcare

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
We demonstrate the direct‐laser patterning of a gold thin film on polymethyl methacrylate to fabricate a temperature sensor for dentures. The temperature sensor‐embedded smart dentures are evaluated in an oral environment, enabling in‐situ monitoring for elderly healthcare.
Han Ku Nam   +7 more
wiley   +1 more source

The design and analysis of single flank transmission error testor for loaded gears [PDF]

open access: yes
Due to geometrical imperfections in gears and finite tooth stiffnesses, the motion transmitted from an input gear shaft to an output gear shaft will not have conjugate action.
Bassett, D. E., Houser, D. R.
core   +1 more source

Recent Advancements in Regenerative Dentistry: A Review [PDF]

open access: yes, 2016
Although human mouth benefits from remarkable mechanical properties, it is very susceptible to traumatic damages, exposure to microbial attacks, and congenital maladies.
Amrollahi, Pouya   +3 more
core   +1 more source

Enabling Metal‐Based Soft Robotics Through Investment Casting

open access: yesAdvanced Intelligent Systems, EarlyView.
Vacuum investment casting enables manufacturing of compliant soft robotic structures out of AA7075 high‐strength aluminum alloy. Additively manufactured patterns are converted into metal soft robotic structures addressing long lasting challenges like durability and nonlinearity of elastomer‐based soft robotics.
Felix Pancheri, Tim C. Lueth, Yilun Sun
wiley   +1 more source

Ultra high resolution stepper motors design, development, performance and application [PDF]

open access: yes, 1979
The design and development of stepper motors with steps in the 10 arc sec to 2 arc min range is described. Some of the problem areas, e.g. rotor suspension, tribology aspects and environmental conditions are covered.
Moll, H., Roeckl, G.
core   +1 more source

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