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de Araujo CAR, Ribeiro DV, de Oliveira DB, Barbieri W, de Castilho GS, Jimenez M, Tedesco TK, Jordão MC, Novaes TF, Palacio DDC, Heller D. Psychological Impact of the COVID-19 Pandemic on Dentists in Latin America's Epicenter: São Paulo, Brazil. Int J Environ Res Public Health 2022; 19:15028. [PMID: 36429748 PMCID: PMC9691075 DOI: 10.3390/ijerph192215028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/29/2022] [Accepted: 09/13/2022] [Indexed: 06/16/2023]
Abstract
The present study aimed to assess the prevalence and associated factors of stress and anxiety symptoms among dentists during the COVID-19 pandemic in the state of São Paulo, Brazil. A structured questionnaire was sent electronically to 93,280 dentists with active registration in the Dental Council of São Paulo, Brazil, enquiring about information regarding the first-wave peak period in Brazil. Descriptive analyses of background characteristics, perceptions of preparedness, and psychological impact were calculated. Multiple logistic regression analysis was performed, and independent variables that showed p < 0.20 were used in the adjusted logistic regression model to compare the psychological impact on dental professionals. Among the 2113 respondents, female participants had 63% lower chance of reporting anxiety than males. Older dentists had a lower likelihood of reporting anxiety compared to 21-30-year-old dentists (p ≤ 0.05). Dentists working in the public health service were 1.78 times more likely to report anxiety than those who worked in private practice. Finally, dentists in the COVID-19 high-risk group and those with a family or team member with a positive COVID-19 diagnosis were more likely to have anxiety. This study can help dental and other healthcare professionals to better understand the consequences of COVID-19 in terms of mental health.
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Affiliation(s)
| | - Danielle Viana Ribeiro
- Postgraduate Program in Dentistry, Universidade Cruzeiro do sul, São Paulo 08060-070, Brazil
- Hospital Israelita Albert Einstein, São Paulo 05652-900, Brazil
| | - Danielle Boina de Oliveira
- Postgraduate Program in Dentistry, Universidade Cruzeiro do sul, São Paulo 08060-070, Brazil
- Hospital Israelita Albert Einstein, São Paulo 05652-900, Brazil
| | - Wander Barbieri
- Postgraduate Program in Dentistry, Universidade Cruzeiro do sul, São Paulo 08060-070, Brazil
- Hospital Israelita Albert Einstein, São Paulo 05652-900, Brazil
| | | | - Manuel Jimenez
- Department of Physical Education and Health, Faculty of Education, International University of Lá Rioja, 26006 Logronõ, Spain
| | - Tamara Kerber Tedesco
- Postgraduate Program in Dentistry, Universidade Cruzeiro do sul, São Paulo 08060-070, Brazil
| | - Maisa Camillo Jordão
- Postgraduate Program in Dentistry, Universidade Cruzeiro do sul, São Paulo 08060-070, Brazil
| | | | | | - Debora Heller
- Postgraduate Program in Dentistry, Universidade Cruzeiro do sul, São Paulo 08060-070, Brazil
- Hospital Israelita Albert Einstein, São Paulo 05652-900, Brazil
- Department of Periodontology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
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Kato MT, Cardoso CDAB, Jordão MC, Galvão RPDO, Iscuissati AGS, Kinoshita AMO, Buzalaf MAR. Effect of the cranberry ( Vaccinium macrocarpon ) juice on reducing dentin erosion: an in vitro study. Braz Oral Res 2022; 36:e076. [PMID: 35946732 DOI: 10.1590/1807-3107bor-2022.vol36.0076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 03/07/2022] [Indexed: 11/22/2022] Open
Abstract
Vaccinium macrocarpon (cranberry) is a fruit that has an inhibitory effect on matrix metalloproteinases (MMPs) present in dentin and saliva. The inhibition of MMPs has been shown to prevent dentin erosion. The aim of this study was to analyze the effect of cranberry juice on the reduction of dentin erosion in vitro. Specimens of bovine dentin (4×4×2 mm) were randomized and divided into 4 groups (n = 17/group): distilled water (C-control, pH 7.2); green tea extract solution containing 400 µm epigallo-catechin-gallate (EGCg, positive control, pH 4.5); 10% cranberry extract (CrE, pH 3.9), and cranberry juice (CrJ, Cranberry JuxxTM, pH 2.8). Specimens were submitted to erosive pH cycles for 5 days. Each day, four demineralizations were carried out with 0.1% citric acid (90 s). After the acid challenges, specimens were rinsed and kept in treatment solutions for 1 min; afterwards, they were rinsed and stored in artificial saliva for 1 h at 37°C (or overnight at the end of each day). After the experimental period of 5 days, dentin loss was evaluated by contact profilometry. Data were analyzed by ANOVA and Tukey's test (p < 0.05). Dentin loss (µm ± SD) was significantly lower for all treatments (EGCg = 9.93 ± 2.90; CrE = 12.10 ± 5.44; CrJ = 11.04 ± 5.70) compared to control (21.23 ± 11.96), but it did not significantly differ from each other. These results indicate that the commercial cranberry juice, despite its low pH, is able to reduce dentin erosion, which might be due to the ability of cranberry components to inhibit MMPs.
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Affiliation(s)
- Melissa Thiemi Kato
- Faculdade do Centro Oeste Paulista - FACOPH, Department of Dentistry , Piratininga , SP , Brazil
| | | | | | | | | | - Angela Mitie Otta Kinoshita
- Universidade do Oeste Paulista - Unoeste, School, Environment and Regional Development Postgraduate Program , Presidente Prudente , SP , Brazil
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Novaes TF, Jordão MC, Bonacina CF, Veronezi AO, de Araujo CAR, Olegário IC, de Oliveira DB, Ushakova V, Birbrair A, da Costa Palacio D, Heller D. COVID-19 pandemic impact on dentists in Latin America's epicenter: São-Paulo, Brazil. PLoS One 2021; 16:e0256092. [PMID: 34437580 PMCID: PMC8389449 DOI: 10.1371/journal.pone.0256092] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 07/29/2021] [Indexed: 02/06/2023] Open
Abstract
The state of São Paulo, Brazil, where more than 94.000 dentists are currently registered, has become the epicenter of COVID-19 in Latin America. The aim of this cross-sectional study was to evaluate the impact of COVID-19 pandemic on dentists in this state. A semi-structured questionnaire was sent via e-mail to 93.280 dentists with active registration in the Dental Council of São Paulo (CROSP). The impact of COVID-19 pandemic was assessed through questions related to demographic, socioeconomic, dental practice characteristics and personal protective equipment (PPE) use. Ordinal logistic regression analysis was performed to investigate the association between all the variables (p<0.05). Over 8 days, 2113 responses were received. Only 26.52% of the sample reported a low-income reduction (from 0–10%), while the majority of dentists reported a more negative financial impact, 35.6% with a reduction of more than 50% of their monthly income. Dentists who worked in the private sector and at the capital had a greater financial impact when compared to those of the public sector and countryside of the state (p<0.05). Furthermore, about 83% reported not having received any specific training to control the transmission of coronavirus in the health area. This study provides evidence of the negative impact of the COVID-19 pandemic on the routine of dentists in the state of São Paulo, Brazil. Hopefully, this study will help dental and other health care professionals to better understand the consequences of disease in dental settings and strengthen preparedness throughout the dental health care system.
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Affiliation(s)
| | - Maisa Camillo Jordão
- Postgraduate Program in Dentistry, Cruzeiro do Sul University, São Paulo, Brazil
| | | | | | | | | | | | - Veranika Ushakova
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Danielle da Costa Palacio
- Hospital Israelita Albert Einstein, São Paulo, Brazil
- School of Dentistry, Departamento de Odontologia Social, Universidade Estadual de Campinas, Piracicaba, Brazil
| | - Debora Heller
- Postgraduate Program in Dentistry, Cruzeiro do Sul University, São Paulo, Brazil
- Hospital Israelita Albert Einstein, São Paulo, Brazil
- Department of Periodontics, University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America
- * E-mail:
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Jordão MC, Ionta FQ, Bergantin BTP, Mendonça FL, Santos NMD, Honório HM, Oliveira TMD, Rios D. Influence of mandibular and palatal intraoral appliances on erosion in situ study outcome. J Appl Oral Sci 2019; 27:e20180153. [PMID: 30673029 PMCID: PMC6438665 DOI: 10.1590/1678-7757-2018-0153] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 09/11/2018] [Indexed: 11/22/2022] Open
Abstract
The standardization of in situ protocols for dental erosion is important to enable comparison between studies.
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Affiliation(s)
- Maisa Camillo Jordão
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, São Paulo, Brasil
| | - Franciny Querobim Ionta
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, São Paulo, Brasil
| | - Bianca Tozi Portaluppe Bergantin
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, São Paulo, Brasil
| | - Fernanda Lyrio Mendonça
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, São Paulo, Brasil
| | - Natália Mello Dos Santos
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, São Paulo, Brasil
| | - Heitor Marques Honório
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, São Paulo, Brasil
| | - Thais Marchini de Oliveira
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, São Paulo, Brasil
| | - Daniela Rios
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, São Paulo, Brasil
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Rios D, Oliveira GC, Zampieri CR, Jordão MC, Dionisio EJ, Buzalaf M, Wang L, Honório HM. Resin-Based Materials Protect Against Erosion/Abrasion-a Prolonged In Situ Study. Oper Dent 2019; 44:302-311. [PMID: 30629465 DOI: 10.2341/17-198-l] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
While patient compliance is key to preventive measures related to dental erosion, the application of resin-based materials could serve as an additional treatment to inhibit erosion progression. This in situ study evaluated the effect of applying resin-based materials, including resin infiltrant, on previously eroded enamel subjected to prolonged erosive and abrasive challenges. The factors under study were types of treatment (infiltrant [Icon], sealant [Helioseal Clear], adhesive [Adper Scotchbond Multi-Purpose Plus], and control [no treatment]); wear conditions (erosion [ERO] and erosion + abrasion [ERO + ABR]) and challenge time (5 and 20 days) in a single-phase study. The blocks were prepared from bovine enamel, eroded (0.01 M HCl, pH 2.3 for 30 seconds) and randomized among treatments, wear conditions, and volunteers. The application of resin-based materials followed the manufacturers' recommendations. Twenty-one volunteers wore the palatal intraoral device, in which one row corresponded to ERO and the other to ERO + ABR. In each row, all treatments were represented (2 blocks per treatment). For 20 days, the erosive challenge was performed 4 times/day (immersion in 0.01 M HCl, pH 2.3, for 2 minutes) for the ERO condition. For the ERO + ABR condition, two of the erosive challenges were followed by abrasion for 15 seconds with fluoride dentifrice slurry. Enamel and/or material loss was measured using profilometry (initial, after treatment, and after the end of the fifth and 20th days of in situ erosive challenge) and analyzed by ANOVA models and Tukey's test (α=0.05). The results showed that the application of resin-based materials did not cause superficial enamel loss. The infiltrant group showed a thicker layer of material above the enamel compared with the other materials (p=0.001). After the erosive challenge, there was no difference between the conditions ERO and ERO + ABR (p=0.869). All materials protected the enamel against erosion progression compared with the control group (p=0.001). Based on these results, we conclude that the application of resin-based materials results in protection of previously eroded enamel subjected to in situ erosive and abrasive challenge for 20 days.
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Ionta FQ, Alencar CRBD, Val PP, Boteon AP, Jordão MC, Honório HM, Buzalaf MAR, Rios D. Effect of vegetable oils applied over acquired enamel pellicle on initial erosion. J Appl Oral Sci 2017; 25:420-426. [PMID: 28877281 PMCID: PMC5595115 DOI: 10.1590/1678-7757-2016-0436] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Accepted: 11/27/2016] [Indexed: 11/22/2022] Open
Abstract
Objective The prevalence of dental erosion has been recently increasing, requiring new preventive and therapeutic approaches. Vegetable oils have been studied in preventive dentistry because they come from a natural, edible, low-cost, and worldwide accessible source. This study aimed to evaluate the protective effect of different vegetable oils, applied in two concentrations, on initial enamel erosion. Material and Methods Initially, the acquired pellicle was formed in situ for 2 hours. Subsequently, the enamel blocks were treated in vitro according to the study group (n=12/per group): GP5 and GP100 – 5% and pure palm oil, respectively; GC5 and GC100 – 5% and pure coconut oil; GSa5 and GSa100 – 5% and pure safflower oil; GSu5 and GSu100 – 5% and pure sunflower oil; GO5 and GO100 – 5% and pure olive oil; CON− – Deionized Water (negative control) and CON+ – Commercial Mouthwash (Elmex® Erosion Protection Dental Rinse, GABA/positive control). Then, the enamel blocks were immersed in artificial saliva for 2 minutes and subjected to short-term acid exposure in 0.5% citric acid, pH 2.4, for 30 seconds, to promote enamel surface softening. The response variable was the percentage of surface hardness loss [((SHi - SHf) / SHf )×100]. Data were analyzed by one-way ANOVA and Tukey’s test (p<0.05). Results Enamel blocks of GP100 presented similar hardness loss to GSu100 (p>0.05) and less than the other groups (p<0.05). There was no difference between GP5, GC5, GC100, GSa5, GSu100, GSa100, GSu5, GO5, GO100, CON− and CON+. Conclusion Palm oil seems to be a promising alternative for preventing enamel erosion. However, further studies are necessary to evaluate a long-term erosive cycling.
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Affiliation(s)
- Franciny Querobim Ionta
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, SP, Brasil
| | | | - Poliana Pacifico Val
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, SP, Brasil
| | - Ana Paula Boteon
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Dentística, Endodontia e Materiais Odontológicos, Bauru, SP, Brasil
| | - Maisa Camillo Jordão
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, SP, Brasil
| | - Heitor Marques Honório
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, SP, Brasil
| | - Marília Afonso Rabelo Buzalaf
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Ciências Biológicas, Bauru, SP, Brasil
| | - Daniela Rios
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, SP, Brasil
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Mendonça FL, Jordão MC, Ionta FQ, Buzalaf MAR, Honório HM, Wang L, Rios D. In situ effect of enamel salivary exposure time and type of intraoral appliance before an erosive challenge. Clin Oral Investig 2017; 21:2465-2471. [DOI: 10.1007/s00784-016-2043-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Accepted: 12/21/2016] [Indexed: 02/03/2023]
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Alencar CRBD, Mendonça FL, Guerrini LB, Jordão MC, Oliveira GCD, Honório HM, Magalhães AC, Rios D. Effect of different salivary exposure times on the rehardening of acid-softened enamel. Braz Oral Res 2016; 30:e104. [PMID: 27737358 DOI: 10.1590/1807-3107bor-2016.vol30.0104] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2015] [Accepted: 07/08/2016] [Indexed: 11/21/2022] Open
Abstract
This in situ study assessed the effect of different times of salivary exposure on the rehardening of acid-softened enamel. Bovine enamel blocks were subjected in vitro to a short-term acidic exposure by immersion in 0.05 M (pH 2.5) citric acid for 30 s, resulting in surface softening. Then, 40 selected eroded enamel blocks were randomly assigned to 10 volunteers. Intraoral palatal appliances containing 4 enamel blocks were constructed for each volunteer, who wore the appliance for 12 nonconsecutive hours: initial 30 min, followed by an additional 30, and then by an additional 1 hour. For the last additional 10 hours the appliances were used at night, during the volunteers' sleep. Surface hardness was analyzed in the same blocks at baseline, after erosion and after each period of salivary exposure, enabling percentage of surface hardness recovery calculation (%SHR). The data were tested using repeated measures ANOVA and Tukey's test (α = 0.05). Increasing periods of salivary action promoted a progressive increase in the surface hardness (p < 0.001). However a similar degree of enamel rehardening (p = 0.641) was observed between 2 hours (49.9%) and 12 hours (53.3%) of salivary exposure. Two hours of salivary exposure seems to be appropriate for partial rehardening of the softened enamel surface. The use of the intraoral appliance during sleep did not improve the enamel rehardening after erosion.
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Affiliation(s)
- Catarina Ribeiro Barros de Alencar
- Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru, SP, Brazil
| | - Fernanda Lyrio Mendonça
- Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru, SP, Brazil
| | - Luísa Belluco Guerrini
- Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru, SP, Brazil
| | - Maisa Camillo Jordão
- Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru, SP, Brazil
| | - Gabriela Cristina de Oliveira
- Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru, SP, Brazil
| | - Heitor Marques Honório
- Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru, SP, Brazil
| | - Ana Carolina Magalhães
- Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Biological Sciences, Bauru, SP, Brazil
| | - Daniela Rios
- Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru, SP, Brazil
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