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Aim: COVID-19 outbreak and the lockdown period following was a very challenging time for pediatric dentistry. We aimed to find whether the characteristics of dental care provided to children at the Department of Pediatric Dentistry at Hadassah medical center, Jerusalem, Israel, differed between the periods, before COVID-19 outbreak, during the lockdown period and during the period that followed it.Materials and Methods: We retrospectively reviewed computerized records of patients who visited the pediatric dental clinic at three different periods: pre-lockdown period, lockdown period, and post-lockdown period.Results: Nine-hundred and forty-nine children were included in the study; most of them were healthy children between 3 and 6 years old. During lockdown, all scheduled appointments except for treatments under general anesthesia and deep sedation were canceled due to the government's restrictions; the frequency of treatments with non-pharmacological behavior management, general anesthesia or deep sedation was higher than in the previous or subsequent periods and the use of inhaled/conscious sedation was significantly lower. During lockdown most of the children were diagnosed with dentoalveolar abscess (32.3%), compared to 14 and 21% at the previous or subsequent periods, respectively (P < 0.001). Treatments combination during lockdown included more extractions, pulpectomies and pulp extirpation and less permanent restorations (P < 0.001). None of the staff members was infected with COVID-19 at the clinic during these periods. We concluded that dentists should be updated about Covid-19 modes of transmission and the recommended infection control measures in dental settings. Effective management protocols can help the dental staff to continue to provide efficient treatment and prevent Covid-19 contamination.

Survival following childhood cancer has increased considerably. In an observational cross-sectional study, we assessed the prevalence of dental developmental anomalies (DDA) among childhood cancer survivors according to types of anticancer treatment. Permanent teeth were examined clinically and radiographically in 121 adolescents with a history of childhood malignancies, to identify DDA, namely hypomineralization or hypoplasia, microdontia, root changes and hypodontia. DDA were observed in 56/121 individuals (46%), in 309/3388 teeth (9%). Hypomineralization or hypoplasia of enamel appeared in 21 (17%) patients. Altered root development appeared in 26 patients and hypodontia affected 13 (10%). Dental anomalies were observed in 36 (43%) individuals who received chemotherapy and not radiation, in 20 (52%) who received radiotherapy, and in 15 (60%) of those who received head and neck radiotherapy. Among patients who received only chemotherapy, young age (6 years or younger) was associated with a higher number of malformed teeth. In conclusion, antineoplastic treatment that combines chemotherapy and radiotherapy appears to increase the risk of DDA. Radiation to the head and neck area was shown to particularly increase the risk of DDA. No specific chemotherapy agent was found to be associated more than the others with DDA.

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BackgroundIn addition to visit purpose, one of the environmental factors that can cause anxiety prior to dental treatment includes the waiting room experience, specifically the amount of time spent awaiting treatment and the waiting room environment. The purpose of this study was to compare the effect of the waiting room’s environment on the level of anxiety experienced by children in multisensory and traditional waiting rooms.MethodsCase control study. Test group waited for treatment in a multisensory waiting room, which consisted of a lighting column that children could touch and climb; as well as, rhythmic music played on loudspeakers. Control group waited for treatment in a traditional waiting room. Study participants were asked to answer the “Venham Picture Test”, a dental anxiety scale, while in the waiting room prior to entering the treatment room. Chi-squared, Fisher’s Exact tests, and linear regression were utilized. A p-value less than 0.05 was considered statistically significant.ResultsNo significant difference in dental anxiety scores was found between the test and control groups according to waiting room type (p > .05). Dental anxiety was significantly higher in patients who had longer waiting time prior to treatment (p = 0.019). In addition, dental anxiety was significantly associated with visit purpose (p < .001): children waiting for dental examination or those scheduled for dental treatment with conscious sedation were less anxious than children waiting for emergency treatment.ConclusionsA sensory adapted waiting room environment may be less important in reducing children’s anxiety prior to dental treatment. Children’s dental anxiety can be reduced by preventing emergency treatments, scheduling routine dental visits and decreasing waiting time.Trial registrationTRN NCT03197129, date of registration June 20, 2017.

The present results indicate that oral infection with P. gingivalis augmented the severity of EAE. This may stem from the systemic pro-inflammatory response triggered by P. gingivalis infection or via antigen mimicking. The present study provides evidence that periodontal infection may play a role as modifier in CNS inflammatory disorders, such as MS.

Background: One of the environmental factors that can cause anxiety prior to dental treatment includes the waiting room experience, specifically the amount of time spent awaiting treatment and the waiting room environment. The purpose of the study was to compare the effect of the waiting room's environment on the level of anxiety experienced by children in multisensory and traditional waiting rooms. Methods: Case control study. Test group waited for treatment in a multisensory waiting room, which consisted of a lighting column that children could touch and climb; as well as, rhythmic music played on loudspeakers. Control group waited for treatment in a traditional waiting room. Study participants were asked to answer the “Venham Picture Test”, a dental anxiety scale, while in the waiting room prior to entering the treatment room. Chi-squared, Fisher's Exact tests, and linear regression were utilized. Results: No significant difference in dental anxiety scores was found between the test and control groups. Dental anxiety was significantly higher in patients who had longer wait time prior to treatment. In addition, dental anxiety was significantly associated with visit purpose: children waiting for dental examination or those scheduled for dental treatment with conscious sedation were less anxious than children waiting for emergency treatment. Conclusions: These findings underscore the importance of a dental home and regular preventive dental visits. Children’s dental anxiety can be reduced by preventing emergency treatments, scheduling routine dental visits and decreasing waiting room wait time. Trial registration: TRN NCT03197129, date of registration June 20, 2017

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