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The coronavirus disease 2019 (COVID-19) may aggravate workplace conditions that impact health-care workers’ mental health. However, it can also place other stresses on workers outside of their work. This study determines the effect of COVID-19 on symptoms of negative and positive mental health and the workforce’s experience with various sources of support. Effect modification by demographic variables was also studied.

A cross-sectional survey study, conducted between 2 April and 4 May 2020 (two waves), led to a convenience sample of 4509 health-care workers in Flanders (Belgium), including paramedics (40.6%), nurses (33.4%), doctors (13.4%) and management staff (12.2%). About three in four were employed in university and acute hospitals (29.6%), primary care practices (25.7%), residential care centers (21.3%) or care sites for disabled and mental health care. In each of the two waves, participants were asked how frequently (on a scale of 0-10) they experienced positive and negative mental health symptoms experienced. The association between COVID-19 and mental health was generally strongest for the age group 30-49 years, females, nurses and residential care centers. Health-care workers reported to rely on support from relatives and peers. A considerable proportion, respectively, 18 and 27%, reported the need for professional guidance from psychologists and more support from their leadership.

The toll of the crisis has been heavy on health-care workers. Those who carry leadership positions at an organizational or system level should take this opportunity to develop targeted strategies to mitigate key stressors of health-care workers’ mental well-being.

The toll of the crisis has been heavy on health-care workers. Those who carry leadership positions at an organizational or system level should take this opportunity to develop targeted strategies to mitigate key stressors of health-care workers’ mental well-being.Schneiderian membrane (SM) thickness >2mm is regarded to be a pathological mucosal change. The aim of the current study is to answer the question” Does presence of pathological changes in the SM increase the risk of sinus perforation during surgical sinus floor elevation (SFE)?” An electronic database (PubMed, Embase, Cochrane Library, and Chinese database) were systemically searched for the studies published until February 2020. Randomized and non-randomized studies that reported the incidence of SM perforation in patients with SM pathology (antral pseudocyst or mucosal thickening) during SFE. Kynurenic acid concentration The outcome measures were the incidence of SM perforation and implant survival rate. The pooled odds ratio (OR) with 95% confidence intervals and the Fixed-effects model were calculated. P-value ≤ 0.05 was considered to be statistically significant. Eighteen studies with a total of 1542 patients and 1797 SFE were included. Statistically insignificant difference in the incidence of SM perforation was observed between the normal-appearing sinus and thickened sinus mucosa (Fixed; OR, 0.896; 95%CI, 0.504 – 1.59; P =0.707, I 2 =32%). The rate of SM perforation in the normal sinus, mucosal thickening, and antral pseudocysts was 14%, 6%, and 6% respectively. The Implant survival rate was 98% in the normal sinus, and 100% in antral pseudocyst and mucosal thickening. SM thickening or antral pseudocyst did not increase the risk of membrane perforation and implant failure rates. Future RCTs are needed to evaluate the risk of the presence of pathological changes in the SM on the failure of the bone augmentation and dental implant.The hypothesis was that probiotic therapy (PT) does not offer additional benefits to mechanical debridement (MD) for treatment of diabetic subjects with peri-implant mucositis (PM). This study compared the influence of PT as an adjunct to MD for the treatment of PM in type2 diabetic and non-diabetic patients over a 12-month follow-up period. Patients with and without type-2 diabetes were encompassed. Based upon treatment-procedure, PM patients were categorized into 2 groups (a) Non-surgical + PT; and (b) Group-2 Non-surgical MD alone. Demographics and education statuses were recorded. Gingival (GI) and plaque (PI) indices, crestal bone loss (CBL) and probing depth (PD were measured at baseline and after 6- and 12-months. Significant differences were detected with P less then 0.01. The HbA1c was significantly higher in diabetic patients at all time durations than patients without type-2 diabetes (P less then 0.001). Baseline GI, PI, PD and CBL) were comparable in all groups. In patients with type-2-diabetes, there was no difference in PI, GI, PD and CBL at 6- and 12-months’ follow-up. In patients without type-2 diabetes, there was a significant reduction in PI (P less then 0.01), GI (P less then 0.01), and PD (P less then 0.01) at 6-months and 1-year follow-up than their values at baseline. In patients without type-2 diabetes, MD with or without adjunct PT reduces soft tissue inflammatory parameters in patients with PM.Guided bone regeneration (GBR) using a combined injectable platelet-rich fibrin (i-PRF), leukocyte- and platelet-rich fibrin (L-PRF) and biocompatible bone substitute materials, is a convenient and effective method to augment a combined vertical and horizontal bone defect. This approach can create sufficient bone quality and quantity for implant surgical sites. A 55-year-old Asian woman presented with a severe bone defect in posterior mandible. The edentulous mandibular alveolar ridge was severely resorbed vertically and horizontally. A GBR procedure using i-PRF and L-PRF combined with particulate bone graft was performed. Postoperative cone beam computed tomography scans, 8 months after the augmentation, revealed a large regeneration of the alveolar bone sufficient for implant placement. A combination i-PRF/L-PRF and particulate bone graft may provide biologically active molecules as well as a scaffold for osteogenesis. This treatment protocol may be a viable option for a large bone defect required augmentation prior to implant placement.This study presents the case of a patient who required antrostomy under general anesthesia to treat a sinus lift complication. The patient was a 43-year-old woman with no systemic abnormalities, who underwent maxillary sinus lift surgery associated with mineralized bovine bone graft. The Schneiderian membrane was perforated during the procedure and the rupture was treated with collagen membranes to close the wound and contain the biomaterial, preventing its dispersion. The patient developed a maxillary sinus infection seven days after the surgery. This infection was initially treated with 875 mg of amoxicillin combined with 125 mg of clavulanic acid. Although the initial infection did not worsen, the patient developed maxillary sinusitis. Thirty days after the onset of the initial infection, the patient underwent an intraoral surgery under local anesthesia to remove the biomaterial and clean the sinus cavity. Despite this procedure, maxillary ostial patency was still compromised and antrostomy was performed endoscopically in a hospital setting under general anesthesia.