Results 11 to 20 of about 109,234 (184)

Laser-assisted socket seal surgery using bioactive glass for dental implant site development: a randomized clinical trial [PDF]

Scientific Reports
Preserving the alveolar ridge after extraction is crucial for implants; different biomaterials and techniques allow predictable outcomes. This study aimed to assess laser photo-biomodulation (PBM) as a complement for socket seal surgery (SSS) when ...
Hala H. Hazzaa, Marwa A. M. El Shiekh, Mena F. AbdAllah, Nora Abdelgawad, Mohamed A. El-Mahdy, Hazem Shawky Shoshan, Gasser M. Elewa   +6 more
doaj   +2 more sources

Nonsurgical Endodontic Retreatment of a Large Cyst‐Like Periapical Lesion With Buccal and Palatal Cortical Plate Perforations and Maxillary Sinus Involvement: A 2‐Year CBCT Follow‐Up Case Report [PDF]

Clinical Case Reports
Large cyst‐like periapical radiolucencies with cortical perforations are traditionally managed surgically. However, nonsurgical retreatment may be effective when adequate disinfection and seal are achieved.
Mohamed Ahmed Elsayed, Nawar Naguib Nawar, Mohmed Isaqali Karobari   +2 more
doaj   +2 more sources

Multi-scale modeling and mechanical performance analysis of finger seals with plain woven C/C composite [PDF]

Scientific Reports
The application of carbon fibers reinforced carbon matrix (C/C) composite can solve the local wear of metallic finger seals effectively. However, the performance of C/C composite finger seal is complex and variable, which further decreases the sealing ...
Danlong Song, Keyi Hua, Yu Cheng, Chunhua Du, Yanchao Zhang, Yunjuan Jing   +5 more
doaj   +2 more sources

Mathematical model of brush seals for gas turbine engines: A nonlinear analytical solution

Advances in Mechanical Engineering, 2021
Presented herein is a mathematical model employing differential equations formulation for brush seals used in gas turbine engines. These components are used to seal the bearing chamber from the environment and reduce the loss of lubricant in the ...
Amin Changizi, Ion Stiharu, Bilal Outirba, Patrick Hendrick   +3 more
doaj   +1 more source

Comparative Evaluation of Three Different Obturating Techniques Lateral Compaction, Thermafil and Calamus for Filling Area and Voids Using Cone Beam Computed Tomography: An Invitro study [PDF]

Journal of Clinical and Diagnostic Research, 2015
Introduction: The success of root canal treatment depends upon the proper sealing of root canal system. Improper apical seal leads to the microleakage which can be prevented by proper obturation technique.
Ruchi Gupta, Anil Dhingra, Nidhi R Panwar   +2 more
doaj   +1 more source

Ultraviolet Nanosecond Laser Treatment to Reduce the Friction Coefficient of Silicon Carbide Ceramics

Applied Sciences, 2021
The determination of the possibility for the reduction of the friction coefficient of ceramic parts from silicon carbide by pulse-periodic treatment with an ultraviolet nanosecond laser was carried out in the framework of this research.
Serguei P. Murzin, Valeriy B. Balyakin, Carsten Gachot, Sergey A. Fomchenkov, Maksim V. Blokhin, Nikolay L. Kazanskiy   +5 more
doaj   +1 more source

The development and characteristics of a hand-held high power diode laser-based industrial tile grout removal and single-stage sealing system [PDF]

, 2002
As the field of laser materials processing becomes ever more diverse, the high power diode laser (HPDL) is now being regarded by many as the most applicable tool.
A. W. Gale, Abbott D. H., Alunovic M., Asmus J. F., Bagger C., Borodina T. I., Cooper M. I., J. Lawrence, K. Minami, L. Li, Lawrence J., Lawrence J., Lawrence J., Lawrence J., Lawrence J., Lazzarini L., Li J. G., Low D. K. Y., M. J. J. Schmidt, Petitbon A., R. E. Edwards, Schmidt M. J. J., Schmidt M. J. J., Schreiber P., Sugita K., Yoshizawa H.   +25 more
core   +1 more source

Quantum Security for the Physical Layer [PDF]

, 2013
The physical layer describes how communication signals are encoded and transmitted across a channel. Physical security often requires either restricting access to the channel or performing periodic manual inspections.
Humble, Travis S.
core   +2 more sources

Single-stage sealing of ceramic tiles by means of high power diode laser radiation [PDF]

, 2001
An investigation has been carried out using a 60 W high power diode laser (HPDL) to determine the feasibility of sealing the void between adjoining ceramic tiles with a specially developed grout material.
A. W. Gale, Bourban S., Buerhop C., Capelli E., DeHosson J. T. M., DeHosson J. T. M., Frenkel J., Hahn K., J. Lawrence, Kobylanska-Szkaradek K., L. Li, Lawrence J., Lawrence J., Lawrence J., Lawrence J., Li J. G., Nowotny S., Ouyang J. H., R. E. Edwards, Scherer G. W., Scherer G. W., Schmidt M. J. J., Sivakumar R., Sun R. L., Tsai H. L., Wu Y. N., Yang Y. Z., Yu J.   +27 more
core   +1 more source

A portable high power diode laser-based single-stage ceramic tile grout sealing system [PDF]

, 2002
By means of a 60 W high power diode laser (HPDL) and a specially developed grout material the void between adjoining ceramic tiles has been successfully sealed.
A.W Gale, Allyn, Alunovic, Bourban, Buerhop, Capelli, Dickson, Doremus, Greenhut, Hahn, J Lawrence, Kobylanska-Szkaradek, L Li, Lawrence, Lawrence, Lawrence, Lawrence, Li, M.J.J Schmidt, Nowotny, Ouyang, Pask, Petitbon, R.E Edwards, Richerson, Schmidt, Schmidt, Schreiber, Sivakumar, Sun, Taylor, Tsai, Vargin, Wu, Yang, Yu   +35 more
core   +1 more source