Background: There is a variety of restorative materials, from dental amalgam to the more recent introduction of resin and tooth-colored restorations, which makes choosing the most suitable restorative material a complex task for dentists. Dentists evaluate each case individually and make their selection decision based on several factors which have different degrees of clinical significance. 
Objective: The aim of this study was to identify the patients’ teeth, and dentist’s factors related to the selection of restorative materials among dentists working in Saudi Arabia. 
Methods: A web-based cross-sectional survey was conducted using simple random sampling method in Saudi Arabia in 2018. The questionnaire was adopted from other studies, which were pretested using pilot studies to ensure reliability. The questionnaire consisted of demographic data, multiple-choice questions measuring the most commonly used materials and the reasons behind that, along with 5-point Likert-scale questions identifying the attitudes of dentists regarding the factors influencing their choices of restorative materials. The questionnaire was completed by 229 dentists. Using IBM-SPSS version, the data were analyzed in descriptive statistics and Chi square test. A p-value of less than 0.05 was considered statistically significant in examining the study hypotheses.
Results: Composite was the most commonly used material to restore primary carious lesions in class I, class II and class V. Conservative preparation was the main reason for using composite (55.9%). Esthetics was the main limitation of using amalgam (52%). The number of male dentists not using amalgam was significantly higher than their female peers (p=0.032). 
Conclusion: The trend of using composite is increasing in Saudi Arabia and has been reported worldwide in various conditions even in the more challenging circumstances such as large cavities and molars, mainly because its preparation is conservative. However, composite is still not preferred for patients with high caries activity and poor oral hygiene. Further research is required to negotiate more factors such as the material factors and socioeconomic status of the patient.
Keywords: Factors, Composite, Amalgam, Material, Restorative


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Current Issue

July-September 2019 (Volume 11, Issue 3)


Previous Issue

In the second issue of the journal Electronic Physician for 2019, we have several papers including four Randomized Controlled Trials, a model development study, a case report, an editorial, a letter to editor (LTE), and several original research including two studies with qualitative approach. Authors of this issue are from nine countries: Iran, The Netherlands, Sweden, Italy, India, Thailand, Saudi Arabia, United Arab Emirates (UAE), and Jordan. Read more...


The 6th World Conference on Research Integrity (WCRI) is to be held on June 2-5, 2019 in Hong Kong.

The WCRI is the largest and most significant international conference on research integrity. Since the first conference in Lisbon in 2007, it has given researchers, teachers, funding agencies, government officials, journal editors, senior administrators, and research students opportunities to share experiences and to discuss and promote integrity in research. Read more:


TDR Clinical Research and Development Fellowships

Call for applications

Deadline for submission: 7 March 2019, 16:00 (GMT)

TDR provides fellowships for early- to mid-career researchers and clinical trial staff (e.g. clinicians, pharmacists, medical statisticians, data managers, other health researchers) in low- and middle-income countries (LMICs) to learn how to conduct clinical trials. Read more:

Meta-Analysis Workshops in New York, USA, and London, UK, in April and May 2019

Don't miss this exceptional opportunity to learn how to perform and report a Meta-analysis correctly. Two Meta-analysis workshops are organized in April and May 2019 by Dr. Michael Borenstein in New York, USA (April 08-10, 2019) and London, UK (May 27-29).

About the Instructor

Dr. Michael Borenstein, one of the authors of Introduction to Meta-Analysis, is widely recognized for his ability to make statistical concepts accessible to researchers as well as to statisticians. He has lectured widely on meta-analysis, including at the NIH, CDC, and FDA. Read more: