The percentage of completely and partially edentulous patients and their prosthetic treatment at the Department of Substitutive Dental Sciences (SDS), College of Dentistry, University of Dammam, were investigated. Panoramic radiographs and medical records of adult patients (n = 479, mean age 45.9 years, and range 25-96 years) treated in 2011-2014 were examined. 6% of the patients were completel...

Cellphone usage has a significant impact on signalized intersections' capacity and level of service. This study investigated the cellphone intersection service in Dammam Metropolitan Area, Saudi Arabia. The data included 183 useful cycles 2407 start-up lost time average saturation headway values at with without 24 intersections. main hypothesis is that increases capacity. secondary Normal distr...

Circular economy (CE) has been globally acknowledged as a national sustainable development (SD) strategy to confront resource shortages and environmental contamination challenges. Although public behaviors lifestyles play an essential role in achieving sustainability, developing countries, few studies explored the of awareness, attitudes, on CE transition. Thus, it is necessary elicit opinion u...

PTB Reports,2022,8,3,92-98.DOI:10.5530/PTB.2022.8.12Published:December 2022Type:Review ArticleAuthors:Yousef Ahmed Alomi, Anhar Alyousef, Mohammed Mominul Islam, Abdulrahman Nabeel Yousif, Yousif Sharaf, Eman Mohamed Hasan Alaali, Maha Hussein Almadany, and Hamidah Qasim Ali Abushomi Author(s) affiliations:Dr. Yousef Alomi*, BSc. Pharm, MSc, Clin BCPS, BCNSP, DiBA, CDE, Critical Care Clinical P...

While the total amount of municipal solid waste (MSW) in Dammam city was about 13 million tons 2013, it is expected to reach 18.4 2025. Although main problem an increase production without any formal treatment except landfilling, lack segregation greatly affects residents’ handling practices due incorrect disposing practices. The objective this study explored possibility participation sorting a...

High temperature is the primary challenge in development of solar photovoltaic (PV) systems an arid climate. A rise diminishes performance PV and shortens their lifespan. The goal this manuscript to develop analytical model predict panels under a passive cooling system for environment. Taking into consideration link between panel its conversion efficiency, Kirchhoff’s Ohm’s laws complex circuit...