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Year : 2018  |  Volume : 8  |  Issue : 4  |  Page : 327-332

Detection of visually imperceptible blood contamination in the oral surgical clinic using forensic luminol blood detection agent

1 Department of Oral and Maxillofacial Surgery, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
2 Department of Research Support, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
3 Department of Dental Sciences, Riyadh College of Dentistry and Pharmacy, Riyadh, Saudi Arabia

Correspondence Address:
Dr. Sundar Ramalingam
Department of Oral and Maxillofacial Surgery, College of Dentistry, King Saud University, PO Box 60169, Riyadh 11545
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jispcd.JISPCD_10_18

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Aim and Objectives: Oral surgical procedures can cause spread of infections in the clinics through visually imperceptible, splattered, and aerosolized blood. The aim of this study was to evaluate visually imperceptible blood contamination of clinical surfaces and personal protective equipment(PPE) in an oral surgery clinic using luminol. Materials and Methods: Following ethical approval, oral surgical procedures were performed under local anesthesia in a disinfected clinic, and PPE was used by the oral surgeon, dental assistant, and patients. After the procedure, clinical surfaces and PPE were evaluated for traces of visually imperceptible blood contamination using luminol. Data regarding blood contamination and the duration of the procedure were collected. Nonparametric tests, with 95% significance level(Epi Info, Stat Calc 7, CDC, Atlanta, USA), were used to identify statistical interactions between the duration of the procedure and the frequency of blood contamination. Results: Blood contamination was detected in flooring below surgical field(86.67%), instrument tray, operating light, dental chair, and suction unit(100%). Except head caps and shoe covers, blood contamination was detected in all the PPE used by the clinical personnel, and the eyewear and chest drapes used by patients. An increase in the surgical time beyond 40min significantly increased the risk of blood contamination in the handcuffs of the clinical personnel(P<0.01). Discussion and Conclusion: Visually imperceptible blood contamination of the clinical surfaces and PPE is associated with minor oral surgical procedures. This mandates the cleaning and disinfection of all clinical surfaces before and after minor oral surgical procedures and PPE for clinicians and patients during every procedure.

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