Abstract
Introduction Implant-supported prostheses are currently the standard treatment for the replacement of missing teeth and deficiencies. Implant restorations can either be screw-retained, cement-retained, or both. The implant retention system type is typically chosen during the treatment plan. The primary purpose of this study is to investigate the frequency of implant restoration retention systems. Materials and Methods A five-page questionnaire was sent to private institutes, educational institutes, and governmental hospitals that provide dental services. The data were analyzed using descriptive statistics. Results Prior to distribution, the surveys were proofread and pilot-tested at the Faculty of Dentistry at Umm Al-Qura University. The surveys were mailed to three groups: private institutes, educational institutes, and governmental hospitals. In total, 120 surveys were distributed and 87 surveys were returned, for a response rate of 73%. This included thirty-six surveys (41.4%) from private institutes, twenty-two surveys (25.3%) from educational institutes, and twenty-nine surveys (33.3%) from governmental hospitals. Conclusions In general, Astra was cited as the most widely used implant system. In addition, cement-retained restorations were more frequently used than screw-retained restorations. However, dental implant failure was more frequently associated with cement-retained restorations than with screw-retained restorations.
Highlights
Implant-supported prostheses are currently the standard treatment for the replacement of missing teeth and deficiencies
As there is currently no consensus about the ideal type of retention system for implant restorations [10], the primary purpose of this study is to investigate the frequency of implant restoration retention systems
(5) What implant system(s) is/are used in your practice? (6) What is your role in implant treatment? (7) What retention systems do you use in your practice? (8) Do the lab technicians limit your decisions in retention systems? (9) What material(s) do you use to fill the access hole of the abutment screw? (10) What cement(s) do you use for the final cementation of the implant restorations? (11) From your practice, which retention systems are more frequently associated with failure?
Summary
Implant-supported prostheses are currently the standard treatment for the replacement of missing teeth and deficiencies. The implant retention system type is typically chosen during the treatment plan. 120 surveys were distributed and 87 surveys were returned, for a response rate of 73% This included thirty-six surveys (41.4%) from private institutes, twenty-two surveys (25.3%) from educational institutes, and twenty-nine surveys (33.3%) from governmental hospitals. Dental implant failure was more frequently associated with cement-retained restorations than with screw-retained restorations. The implant retention system type is typically chosen during the dental treatment plan, when the advantages and disadvantages of each system are considered [2]. In this context, patient preference may influence the retention system choice [3]. The screw-retained system shows higher rates of complications (e.g., screw loosening, fracturing, and esthetic considerations) when the implants are improperly positioned [6]
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