Frontiers in public health · 2026
Needlestick and sharps Injuries among dental practitioners: a cross-sectional study of prevalence, risk factors, and postexposure management.
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Al-Huthaifi Basem H, Abdu Ehab M, Al-Hamati Abdullmalik N, Abdullah Baker M, Aldhorae Khalid, Al-Kibsi Taghreed A, Al-Labani Mohammed A, Al Moaleem Mohammed M, Shaamala Emad M, Alshatter Alia M, Alguneed Doa'a W, Almatari Shahad M, Al-Senafi Maram N, Al-Dheeb Fatima A, Al-Hajri Maram A
Аннотация
BACKGROUND: Needlestick and sharp injuries (NSIs) are a significant occupational hazard for dental practitioners, carrying a substantial risk of bloodborne pathogen transmission. This study aimed to determine the prevalence, characteristics, and factors associated with NSI exposures among dental practitioners in Sana'a, Yemen.
MATERIALS AND METHODS: An online survey was conducted among dental practitioners at university dental hospitals, public health centers, and private clinics in Sana'a, Yemen. The self-administered questionnaire collected information on demographic background, history of NSIs, post-exposure practices, infection control compliance, and perceptions. Multivariable logistic regression was used to identify factors independently associated with lifetime NSI.
RESULTS: The lifetime prevalence of NSI was 88.18% (373/423). Among those with NSI, 36.19% reported one injury in the past 12 months, and 24.66% reported four or more injuries. The most common device was the syringe needle (61.66%), and the most frequent procedure was local anesthesia administration (39.14%). Only 11.26% of injured participants underwent post-exposure testing for bloodborne viruses, and only 9.38% received post-exposure prophylaxis. In multivariable analysis, treating more than 12 patients per day was independently associated with increased odds of NSI (adjusted odds ratio 3.50; 95% CI 1.45-8.46; p = 0.005). No other demographic, infection control practice, or resource variable remained significant after adjustment.
CONCLUSION: The extremely high prevalence of NSI among dental practitioners in Sana'a, Yemen, together with very low uptake of post-exposure measures, represents a critical occupational safety failure. High patient volume emerged as a potentially modifiable associated factor. Interventions should be evaluated to prioritize workload management, universal access to safety-engineered devices, and systematic post-exposure protocols, alongside educational efforts to counter the perception that NSIs are inevitable.
MATERIALS AND METHODS: An online survey was conducted among dental practitioners at university dental hospitals, public health centers, and private clinics in Sana'a, Yemen. The self-administered questionnaire collected information on demographic background, history of NSIs, post-exposure practices, infection control compliance, and perceptions. Multivariable logistic regression was used to identify factors independently associated with lifetime NSI.
RESULTS: The lifetime prevalence of NSI was 88.18% (373/423). Among those with NSI, 36.19% reported one injury in the past 12 months, and 24.66% reported four or more injuries. The most common device was the syringe needle (61.66%), and the most frequent procedure was local anesthesia administration (39.14%). Only 11.26% of injured participants underwent post-exposure testing for bloodborne viruses, and only 9.38% received post-exposure prophylaxis. In multivariable analysis, treating more than 12 patients per day was independently associated with increased odds of NSI (adjusted odds ratio 3.50; 95% CI 1.45-8.46; p = 0.005). No other demographic, infection control practice, or resource variable remained significant after adjustment.
CONCLUSION: The extremely high prevalence of NSI among dental practitioners in Sana'a, Yemen, together with very low uptake of post-exposure measures, represents a critical occupational safety failure. High patient volume emerged as a potentially modifiable associated factor. Interventions should be evaluated to prioritize workload management, universal access to safety-engineered devices, and systematic post-exposure protocols, alongside educational efforts to counter the perception that NSIs are inevitable.