Temporal trends in indoor bioaerosols: implications for dental healthcare environments.

Antibiotic resistance, a significant public health hazard, is predicted to cause 10 million deaths worldwide by 2050. The study aimed to identify culturable bioaerosols in the indoor air of dental units in Lahore and assess their antibiotic resistance. Air samples were collected from 10 dental unit locations at different distances, with average concentrations of fungi and bacteria falling within intermediate ranges, per the Global Index of Microbial Contamination (GIMC/m3) index. The study found higher antibiotic-resistant strains in hospital dental units, particularly during winter. The most vigorous strain, S.aureus-NAJIH18, exhibited 70% resistance to ceftazidime. The research highlights the importance of quantifying microbial pollutants for evaluating their source and complexity. It suggests proactive mitigation techniques, such as focused cleaning and air filtration, to improve indoor air quality can mitigate the spread of antibiotic-resistant strains. These insights offer hope in combating the growing public health threat of antibiotic resistance.

Factors associated with dental clinic use by clients in Nigeria during the COVID-19 pandemic.

BACKGROUND: Nigeria, like many other countries, faced challenges in dental care provision during the COVID-19 pandemic, necessitating limited care to emergencies only. However, the impact of restricted access to dental services on oral health remains a concern, particularly with preventive maintenance care. This study aims to identify the factors associated with dental service utilization during the COVID-19 pandemic among patients attending dental clinics in Nigeria, and their sources of information about COVID-19. METHODS: This cross-sectional study recruited 500 participants who had visited dental clinics before and during the pandemic. Data were collected through telephone interviews and online questionnaires between September and December 2021. Inferential analyses were conducted using ordered logistic regression models to assess the association between the independent (awareness of emergency dental treatments, knowledge of COVID-19 transmission routes in dentistry, awareness of required preparations in dental practice settings, fear of COVID-19 infection in dental settings), and dependent (utilization of dental services during the pandemic) variables after adjusting for confounding variables (age, sex, educational status, COVID-19 vaccinations status and COVID-19 status of live-in residents). The sources of COVID-19 information by dental patients was also identified. Statistical significance was established at 95% confidence level with a p value < 0.05. RESULTS: Many participants were males (51.2%) and had tertiary education (61.6%). Fear of COVID-19 infection in dental settings was significantly associated with lower odds of utilizing dental care services during the pandemic (Adjusted Odds Ratio: -0.06, 95% Confidence Interval: -0.08, -0.01). The main sources of COVID-19 information were mass media and social networks, with only 42% receiving information from dental professionals. CONCLUSION: Fear of COVID-19 infection in dental settings significantly influenced dental service utilization during the pandemic. Strategies to address fear and improve communication channels between dental professionals and patients are essential for promoting oral health during similar crises.

Tracing ΦX174 bacteriophage spreading during aerosol-generating procedures in a dental clinic.

OBJECTIVE: The aim of this study was to test the plausibility of using the ΦX174 bacteriophage as a tracer of viral aerosols spreading in a dental aerosol-generating procedure (AGP) model. METHODS: ΦX174 bacteriophage (~ 108 plaque-forming units (PFU)/mL) was added into instrument irrigation reservoirs and aerosolized during class-IV cavity preparations followed by composite fillings on natural upper-anterior teeth (n = 3) in a phantom head. Droplets/aerosols were sampled through a passive approach that consisted of Escherichia coli strain C600 cultures immersed in a LB top agar layer in Petri dishes (PDs) in a double-layer technique. In addition, an active approach consisted of E coli C600 on PDs sets mounted in a six-stage cascade Andersen impactor (AI) (simulating human inhalation). The AI was located at 30 cm from the mannequin during AGP and afterwards at 1.5 m. After collection PDs were incubated overnight (18 h at 37 °C) and bacterial lysis was quantified. RESULTS: The passive approach disclosed PFUs mainly concentrated over the dental practitioner, on the mannequin's chest and shoulder and up to 90 cm apart, facing the opposite side of the AGP's source (around the spittoon). The maximum aerosol spreading distance was 1.5 m in front of the mannequin's mouth. The active approach disclosed collection of PFUs corresponding to stages (and aerodynamic diameters) 5 (1.1-2.1 µm) and 6 (0.65-1.1 µm), mimicking access to the lower respiratory airways. CONCLUSION: The ΦX174 bacteriophage can be used as a traceable viral surrogate in simulated studies contributing to understand dental bioaerosol's behavior, its spreading, and its potential threat for upper and lower respiratory tract. CLINICAL RELEVANCE: The probability to find infectious virus during AGPs is high. This suggests the need to continue characterizing the spreading viral agents in different clinical settings through combination of passive and active approaches. In addition, subsequent identification and implementation of virus-related mitigation strategies is relevant to avoid occupational virus infections.

Dentistry responding in domestic violence and abuse (DRiDVA) feasibility study: a qualitative evaluation of the implementation experiences of dental professionals.

BACKGROUND: Domestic Violence and Abuse (DVA) is a persistent public health problem in the UK. Healthcare settings offer an opportunity to ask patients about DVA, either opportunistically or in response to the presence of injuries. However, it has been suggested that dental practices and dental teams have not been actively involved supporting adult patients when presenting with injuries that might have resulted from DVA. This qualitative study was conducted to satisfy the evaluative component of the Dentistry Responding in Domestic Violence and Abuse (DRiDVA) feasibility study. METHODS: In total, 30 participants took part in the study; nine associate dentists and practice principals/owners took part in one-to-one interviews and 21 auxiliary staff took part across two focus group discussion sessions. Data were analysed using the seven step Framework Analysis process. RESULT: Three key themes were identified from the data, focusing on barriers to enquiring about domestic violence and abuse, Facilitators of identification and referral of DVA in dental settings, and recommendations for further adaptation of intervention to dental settings. CONCLUSION: DVA training coupled with robust referral pathways to a named specialist DVA advocate increases knowledge and awareness of the signs of DVA and confidence in making onward referrals. Further research is needed to understand how to increase dental professional willingness to ask patients about DVA.

Electrolyzed water for the microbiologic control in the pandemic dental setting: a systematic review.

BACKGROUND: Electrolyzed water has brought recent attention due to its antimicrobial properties. Indeed, electrolyzed water has been proposed to sterilize dental materials and instruments without compromising their structural integrity. In addition, electrolyzed water has been proposed as a mouthwash to control bacterial and viral oral infections without detrimental effects on the oral mucosa. However, no current consensus or evidence synthesis could indicate its potentially favorable use in the dental setting, particularly during the COVID-19 context. Therefore, this systematic review aimed to elucidate whether electrolyzed water could improve microbiologic control in the COVID-19 pandemic dental setting. METHODS: MEDLINE via Pubmed, EMBASE, Cochrane's CENTRAL, Scopus, LILACS, and Web of Science databases were searched up to September 2021 to identify experimental studies utilizing electrolyzed water for eliminating microorganisms in a dental setting. Besides, a manual and a grey literature search were performed. The data selection and extraction were performed individually and in duplicate. The Risk of Bias (RoB) was assessed with the Nature Publication Quality Improvement Project (NPQIP) score sheet. The study protocol was registered at PROSPERO CRD42020206986. RESULTS: From a total of 299 articles, 63 studies met the inclusion criteria. The included studies assessed several types of electrolyzed waters, which showed a high disinfection potential when used to deal with different oral conditions. Electrolyzed water demonstrated a broad antimicrobial spectrum and was highly efficient in the dental office disinfection against viruses, fungi, and bacteria, being compatible with most dental materials. In addition, electrolyzed water could protect against SARS-CoV-2 infection and contamination in the dental office. Regarding the RoB, only 35.18% of entries were answered as 'Yes', thus achieving less than half of the reporting sheet. CONCLUSION: Electrolyzed water effectively disinfects contaminated surfaces, dental materials, and equipment. Therefore, their use is recommendable in the SARS-CoV-2 pandemic dental setting.

Effectiveness of psychological techniques in dental management for children with autism spectrum disorder: a systematic literature review.

BACKGROUND: A rise in the reported numbers of children with Autism Spectrum Disorder (ASD) highlights the need for dental practitioners to be more familiar with the treatment approaches for these special needs children to ensure comfortable, well-accepted and efficient management while in dental office. AIM: This paper aimed to acquire a deeper understanding of some of the innovative and best approaches to managing children with ASD in dental settings. DESIGN: A systematic literature search was performed in PubMed, Scopus, Web of Science, Cochrane databases, and grey literature based on the PRISMA 2020 statement, using main keywords such as: 'management', 'dental', 'children', and 'Autism Spectrum Disorder'. Original full-text papers including randomised controlled trials (RCT) and all other designs of non-randomised controlled studies (NRS) reporting relevant intervention studies in English were included without any publication time limit. The quality of the evidence found eligible for the review were then assessed using the ROB-2 and ROBINS-I tools. Subsequently, the details of management interventions and impact of treatment approaches were compared and discussed. RESULTS: Out of the 204 articles found, 109 unrelated articles were excluded during the initial screening. The full papers of remaining 28 were retrieved and only 15 (7%) articles were eligible to be reviewed; eight RCTs with 'some concerns' and 'high risk' categories particularly concerning their randomisation design, and seven NSRs with 'serious' to 'critical' bias largely due to confounding factors. CONCLUSION: Our review found inconclusive evidence on the strength of recent psychological and non-pharmacological approaches used to manage children with ASD in dental settings. Small sample size and lack of a control group in certain studies affected the strength of evidence and credibility of the findings. Nevertheless, this review shared informative details on some innovative approaches for better understanding of the management of children with ASD for dental professionals.

Waistline to the gumline: Relationship between obesity and periodontal disease-biological and management considerations.

Obesity is a pandemic and periodontitis is the sixth most prevalent disease in the world. These two noncommunicable diseases share several risk determinants. Epidemiologic evidence from the last 2 decades has established an increase in periodontitis prevalence in obese and overweight individuals. Biologic mechanisms potentially linking obesity and periodontal disease are adiposity-associated hyperinflammation, microbial dysbiosis, altered immune response, specific genetic polymorphisms, and increased stress. However, because of the lack of longitudinal interventional studies and randomized clinical trials, there is insufficient evidence to determine the cause-effect relationship between these two diseases. Despite this, the negative impact of obesity on oral health is well established. Several logistic and physiologic complications are associated with treating obese patients in a dental setting, and it requires an interprofessional team approach. Oral health care professionals need to be aware of the specific management considerations while rendering for this cohort, including modified practice facility and equipment, tailored supportive periodontal therapy, and heightened precaution during conscious sedation and surgical procedures.

Indian patients' attitudes towards chairside screening in a dental setting for medical conditions.

BACKGROUND: India has a high prevalence of cardiovascular disease (CVD), diabetes mellitus (DM), tuberculosis (TB), human immunodeficiency virus/acquired immune-deficiency syndrome (HIV/AIDS) and hepatitis B. United States-based studies indicate provider and patient support for medical screening in the dental setting. We assessed patient attitudes towards, and willingness to participate in, medical screening in the dental setting in India. METHOD: A 5-point Likert scale survey (with scores ranging from 1=very important/willing to 5=very unimportant/unwilling) was given to a convenience sample of adult patients visiting five university-based dental clinics (clinic group) and one private-practice setting (private group). The Mann-Whitney U-test was used to compare mean response scores between patient groups. Logistic regression was used to assess factors associated with a favourable outcome. RESULTS: Both patient groups felt it important for dentists to identify increased risk for medical conditions (89.3% vs. 94.9%, respectively; P=0.02). The majority of patients were willing to have a dentist screen for the specified conditions: CVD (80.6% clinic and 84.5% private); DM (84.5% clinic and 77.5% private); TB (76.7% clinic and 73.2% private); hepatitis (73.3% clinic and 67.5% private); and HIV/AIDS (71.0% clinic and 70.5% private). The majority of patients were willing to participate in chairside screening that yielded immediate results (84.6% clinic and 86.1% private), discuss results immediately (85.8% clinic and 87.2% private) and pay 150 Indian rupees (55.9% clinic and 91.7% private). Younger patients (<40 years of age) were significantly less likely to respond favourably to: importance of medical screening in dental settings [adjusted odds ratio (OR)=0.63; 95% confidence interval (95% CI): 0.26-0.84] and be available for screening that yielded immediate results (adjusted OR=0.63; 95% CI: 0.40-0.99). CONCLUSIONS: Indian dental patients were in favour of chairside medical screening.

What influences the close contact between health care workers and patients? An observational study in a hospital dental outpatient department.

BACKGROUND: Dental outpatient departments, characterized by close proximity and unmasked patients, present a considerable risk of respiratory infections for health care workers (HCWs). However, the lack of comprehensive data on close contact (<1.5m) between HCWs and patients poses a significant obstacle to the development of targeted control strategies. METHODS: An observation study was conducted at a hospital in Shenzhen, China, utilizing depth cameras with machine learning to capture close-contact behaviors of patients with HCWs. Additionally, questionnaires were administered to collect patient demographics. RESULTS: The study included 200 patients, 10 dental practitioners, and 10 nurses. Patients had significantly higher close-contact rates with dental practitioners (97.5%) compared with nurses (72.8%, P < .001). The reason for the visit significantly influenced patient-practitioner (P = .018) and patient-nurse (P = .007) close-contact time, with the highest values observed in prosthodontics and orthodontics patients. Furthermore, patient age also significantly impacted the close-contact rate with nurses (P = .024), with the highest rate observed in patients below 14 years old at 85% [interquartile range: 70-93]. CONCLUSIONS: Dental outpatient departments exhibit high HCW-patient close-contact rates, influenced by visit purpose and patient age. Enhanced infection control measures are warranted, particularly for prosthodontics and orthodontics patients or those below 14 years old.

Patients' thoughts about assessment of fracture risk in a dental setting using FRAX-a qualitative interview study.

FRAX is a tool based on questions that identifies persons at risk of fragility fractures. We interviewed patients about their thoughts on doing FRAX in a dental setting. They were generally positive but had some concerns that need to be considered before introducing FRAX in a dental setting. PURPOSE: To investigate patients' thoughts about assessing the risk of fragility fractures using the FRAX tool in a dental setting. Sweden has a high incidence of fragility fractures, but many of these are preventable. The most common method for identifying persons with a high risk of sustaining fragility fractures is FRAX, a validated instrument for assessing the risk of suffering fragility fractures within 10 years. In the Nordic countries, most of the adult population has regular contact with their dentist, which could be useful in identifying high-risk individuals. METHODS: A qualitative inductive approach to content analysis, with individual semi-structured interviews, was used. Seven women and three men, aged 65-75 years, were interviewed and assessed with FRAX. RESULTS: An overarching theme was that patients considered a FRAX assessment in the dental setting a good service but doubted that the dentists would have the interest, time, and knowledge to do it. The patients had little knowledge and experience of osteoporosis and fragility fractures. They were positive towards assessing the fracture risk with the FRAX instrument. If they were found to have a high fracture risk, they expected the dentist to send a referral for further investigation and to collaborate in the risk assessment with their family physician. They thought risk assessment in a dental context would be a good service if the fee was the same as that in primary care. CONCLUSION: Most participants were positive about having FRAX and other health assessments done in the dental clinic, but this study shows that patients have concerns that need to be addressed before introducing FRAX in this context.