Concerns about air quality in dental clinics where aerosol generation during procedures poses significant health risks, have prompted investigations on advanced disinfection technologies. This editorial describes the strengths and limitations of ventilation and aerosol control measures in dental offices, especially with respect to the use of graphene nanocomposites. The potential of graphene nanocomposites as an innovative solution to aerosol-associated health risks is examined in this review due to the unique properties of graphene (e.g., high conductivity, mechanical strength, and antimicrobial activity). These properties have produced promising results in various fields, but the application of graphene in dentistry remains unexplored. The recent study by Ju et al which was published in World Journal of Clinical Cases evaluated the effectiveness of graphene-based air disinfection systems in dental clinics. The study demonstrated that graphene-based disinfection techniques produced significant reductions in suspended particulate matter and bacterial colony counts, when compared with traditional methods. Despite these positive results, challenges such as material saturation, frequency of filter replacement, and associated costs must be addressed before widespread adoption of graphene-based disinfection techniques in clinical practice. Therefore, there is need for further research on material structure optimization, long-term safety evaluations, and broader clinical applications, in order to maximize their positive impact on public health.

Environmental contamination and transmission of methicillin-resistant Staphylococcus aureus (MRSA) have been reported in dental health care settings. National professional dental associations recommend controlling surface contamination using disposable barriers or disinfection. Because these procedures may be costly, impractical, and/or toxic, we compared their effect against traditional detergent-based cleaning for decontaminating a dental chair sprayed with MRSA.

Five MRSA strain suspensions were aerosolized to give a density of approximately 10 colony-forming units/cm(2) MRSA on the dental chair 5 minutes after dispersal. Three different decontamination protocols were applied: protocol 1: disposable barriers positioned before aerosol production and removed after 5 minutes; protocol 2: disinfection (wipe-rinse method) with 1:10 dilution of 5.25% to 6.15% sodium hypochlorite solution; protocol 3: cleaning (wipe-rinse method) with a sodium-lauryl-sulphate-based detergent. Contact plates containing Mannitol Salt Agar were used to assess the level of MRSA contamination.

All 3 protocols decreased MRSA surface load by >99%. Residual densities on the dental chair were 0.030 ± 0.010 (protocol 1), 0.029 ± 0.09 (protocol 2), and 0.030 ± 0.011 (protocol 3) colony-forming units/cm(2).

Cleaning (wipe-rinse method) using a sodium-lauryl-sulphate-based detergent demonstrated equivalence with disposable barrier placement or disinfection-based protocol for reducing MRSA contamination on dental chairs. This has practical and cost implications for controlling MRSA transmission in dental health care settings.

To evaluate the determinants of Iranian dentists' behaviour regarding infection control (IC).

  A cross-sectional questionnaire survey.

Iranian general dental practitioners (GDP) participating in a national dental congress.

The GDPs filled in a self-administered questionnaire containing questions regarding their attitudes towards and their behaviour on several aspects of IC. Background factors included GDP's year of birth, gender, and work-related factors. Statistical evaluation employed the Chi-square test, Cronbach alpha, and regression analysis.

  In total, 479 GDPs returned the questionnaire. Their mean age was 38.6years (SD=9.4) and 53% were men. The vast majority of the GDPs had positive attitudes towards the inquired after IC criteria with no statistical difference based on the GDP's background characteristics. Of all respondents, >70% reported that they inform the laboratory about the infection status of the sent items, disinfect impressions before sending to the laboratory, and wash patients' mouths before working with high-speed or ultrasonic devices. Adherence to all the studied IC criteria was reported by 10% of the respondents; more frequently by younger GDPs and those with fewer experience years (P<0.05).

Greater emphasis on infection control programmes in dentists' education is called for especially in continuing education.