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Article ; Online: Does Seeing What Others Do Through Social Media Influence Vaccine Uptake and Help in the Herd Immunity Through Vaccination? A Cross-Sectional Analysis.

Al-Hasan, Abrar / Khuntia, Jiban / Yim, Dobin

2021 Volume 9, Page(s) 715931

Abstract: Widespread acceptance of COVID-19 vaccination is the next major step in fighting the pandemic. However, significant variations are observed in the willingness to take the vaccination by citizens across different countries. Arguably, differences in ... ...

Abstract	Widespread acceptance of COVID-19 vaccination is the next major step in fighting the pandemic. However, significant variations are observed in the willingness to take the vaccination by citizens across different countries. Arguably, differences in vaccination intentions will be influenced by beliefs around vaccines to influence health. Often perceptions of what others are doing and the information available guide individuals' behaviors for vaccination. This is more so in the digital age with the influence of the internet and media. This study aims to determine the factors that impact willingness to vaccinate for COVID-19. We examined factors associated with acceptance of vaccine based on (1) constructs of the Health Belief Model (HBM), (2) sources of information, (3) social media usage, (4) knowledge of COVID-19 treatment, and (5) perception of government's efforts for mitigation. Randomly sampled online survey data was collected by a global firm between December 2020 and January 2021 from 372 citizens (with a response rate of 96.6%) from multiple regions, including North America, the Middle East, Europe, and Asia. Ordered probit regression suggests that the health belief model constructs hold. Perceived severity of COVID-19 (
MeSH term(s)	COVID-19 Vaccines ; Cross-Sectional Studies ; Humans ; Immunity, Herd ; Reproducibility of Results ; SARS-CoV-2 ; Social Media ; Vaccination ; Vaccines ; COVID-19 Drug Treatment
Chemical Substances	COVID-19 Vaccines ; Vaccines
Language	English
Publishing date	2021-11-02
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2711781-9
ISSN	2296-2565 ; 2296-2565
ISSN (online)	2296-2565
ISSN	2296-2565
DOI	10.3389/fpubh.2021.715931
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Does Seeing What Others Do Through Social Media Influence Vaccine Uptake and Help in the Herd Immunity Through Vaccination? A Cross-Sectional Analysis

Abrar Al-Hasan / Jiban Khuntia / Dobin Yim

Frontiers in Public Health, Vol

2021 Volume 9

Abstract	Widespread acceptance of COVID-19 vaccination is the next major step in fighting the pandemic. However, significant variations are observed in the willingness to take the vaccination by citizens across different countries. Arguably, differences in vaccination intentions will be influenced by beliefs around vaccines to influence health. Often perceptions of what others are doing and the information available guide individuals' behaviors for vaccination. This is more so in the digital age with the influence of the internet and media. This study aims to determine the factors that impact willingness to vaccinate for COVID-19. We examined factors associated with acceptance of vaccine based on (1) constructs of the Health Belief Model (HBM), (2) sources of information, (3) social media usage, (4) knowledge of COVID-19 treatment, and (5) perception of government's efforts for mitigation. Randomly sampled online survey data was collected by a global firm between December 2020 and January 2021 from 372 citizens (with a response rate of 96.6%) from multiple regions, including North America, the Middle East, Europe, and Asia. Ordered probit regression suggests that the health belief model constructs hold. Perceived severity of COVID-19 (P < 0.001) and action cues of others taking the vaccine positively influences a subject's vaccine intent (P < 0.001), perceived benefits and perceived efficacy of the vaccine positively influences a subject's vaccine intent (P < 0.001). Perceived barriers negatively influence vaccine intent (P < 0.001). Interestingly as for media usage, mainstream media (e.g., TV, newspaper) (P = 0.006) and social media (P = 0.013) both negatively influence a subject's vaccine intent. Social media platforms that are more entertainment and social-based, such as Whatsapp, Instagram, and YouTube, have a negative and significant influence on vaccine intent (P = 0.061), compared to other more information-based social media platforms (e.g., Twitter, LinkedIn). Knowledge of COVID-19 treatment ...
Keywords	social media ; COVID-19 ; vaccine ; health belief model (HBM) ; herd immunity ; Public aspects of medicine ; RA1-1270
Subject code	070
Language	English
Publishing date	2021-11-01T00:00:00Z
Publisher	Frontiers Media S.A.
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Citizens' Adherence to COVID-19 Mitigation Recommendations by the Government: A 3-Country Comparative Evaluation Using Web-Based Cross-Sectional Survey Data.

Al-Hasan, Abrar / Yim, Dobin / Khuntia, Jiban

Journal of medical Internet research

2020 Volume 22, Issue 8, Page(s) e20634

Abstract: Background: Social distancing is an effective preventative policy for the coronavirus disease (COVID-19) that is enforced by governments worldwide. However, significant variations are observed in following the policy across individuals and countries. ... ...

Abstract	Background: Social distancing is an effective preventative policy for the coronavirus disease (COVID-19) that is enforced by governments worldwide. However, significant variations are observed in following the policy across individuals and countries. Arguably, differences in citizens' adherence actions will be influenced by their perceptions about government's plans and the information available to guide their behaviors-more so in the digital age in the realm of mass influence of social media on citizens. Insights into the underlying factors and dynamics involved with citizens' adherence process will inform the policy makers to follow appropriate communication and messaging approaches to influence citizens' willingness to adhere to the recommendations. Objective: The aim of this study is a comparative evaluation of citizens' adherence process to COVID-19-relevant recommendations by the government. The focus is on how three different countries' (United States, Kuwait, and South Korea) citizens, randomly sampled, respond to governments' pandemic guidance efforts. We draw insights into two categories of perceived government roles in managing the pandemic: (1) citizens' perceptions of government's role in responding to the pandemic and (2) citizens' perceptions of government's business reopening efforts. Undoubtedly, the internet and social media have burgeoned, with differing effects on shaping individuals' views and assessments of the COVID-19 situation; we argue and test for the effects of information sources, social media use, and knowledge on the adherence actions. Methods: We randomly sampled web-based survey data collected by a global firm in May 2020 from citizens of the United States, Kuwait, and South Korea. A nonlinear ordered probit regression, controlling for several counterfactuals, was used for analysis. The focal estimated effects of the study were compared across countries using the weighted distance between the parameter estimates. Results: The total sample size was 482 respondents, of which 207 (43%) lived in the United States, 181 (38%) lived in Kuwait, and 94 (20%) lived in South Korea. The ordered probit estimation results suggest that overall, perception of government response efforts positively influenced self-adherence (P<.001) and others' adherence (P<.001) to social distancing and sheltering. Perception of government business reopening efforts positively influenced others' adherence (P<.001). A higher intensity of general health information source for COVID-19 had a positive effect on self-adherence (P=.003). A higher intensity of social media source use for COVID-19 positively influenced others' adherence (P=.002). A higher intensity of knowledge on COVID-19 positively influenced self-adherence (P=.008) and negatively influenced others' adherence (P<.001). There were country-level variations-broadly, the United States and Kuwait had better effects than South Korea. Conclusions: As the COVID-19 global pandemic continues to grow and governmental restrictions are ongoing, it is critical to understand people's frustration to reduce panic and promote social distancing to facilitate the control of the pandemic. This study finds that the government plays a central role in terms of adherence to restrictions. Governments need to enhance their efforts on publicizing information on the pandemic, as well as employ strategies for improved communication management to citizens through social media as well as mainstream information sources.
MeSH term(s)	Betacoronavirus ; COVID-19 ; Communication ; Coronavirus Infections ; Cross-Sectional Studies ; Government ; Humans ; Kuwait ; Pandemics ; Pneumonia, Viral ; Republic of Korea ; SARS-CoV-2 ; Social Media ; Surveys and Questionnaires ; United States
Keywords	covid19
Language	English
Publishing date	2020-08-11
Publishing country	Canada
Document type	Comparative Study ; Journal Article
ZDB-ID	2028830-X
ISSN	1438-8871 ; 1439-4456
ISSN (online)	1438-8871
ISSN	1439-4456
DOI	10.2196/20634
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Threat, Coping, and Social Distance Adherence During COVID-19: Cross-Continental Comparison Using an Online Cross-Sectional Survey.

Al-Hasan, Abrar / Khuntia, Jiban / Yim, Dobin

Journal of medical Internet research

2020 Volume 22, Issue 11, Page(s) e23019

Abstract: Background: Social distancing is an effective preventative policy for COVID-19 that is enforced by governments worldwide. However, significant variations are observed in adherence to social distancing across individuals and countries. Due to the lack of ...

Abstract	Background: Social distancing is an effective preventative policy for COVID-19 that is enforced by governments worldwide. However, significant variations are observed in adherence to social distancing across individuals and countries. Due to the lack of treatment, rapid spread, and prevalence of COVID-19, panic and fear associated with the disease causes great stress. Subsequent effects will be a variation around the coping and mitigation strategies for different individuals following different paths to manage the situation. Objective: This study aims to explore how threat and coping appraisal processes work as mechanisms between information and citizens' adherence to COVID-19-related recommendations (ie, how the information sources and social media influence threat and coping appraisal processes with COVID-19 and how the threat and coping appraisal processes influence adherence to policy guidelines). In addition, this study aims to explore how citizens in three different countries (the United States, Kuwait, and South Korea), randomly sampled, are effectively using the mechanisms. Methods: Randomly sampled online survey data collected by a global firm in May 2020 from 162 citizens of the United States, 185 of Kuwait, and 71 of South Korea were analyzed, resulting in a total sample size of 418. A seemingly unrelated regression model, controlling for several counterfactuals, was used for analysis. The study's focal estimated effects were compared across the three countries using the weighted distance between the parameter estimates. Results: The seemingly unrelated regression model estimation results suggested that, overall, the intensity of information source use for the COVID-19 pandemic positively influenced the threat appraisal for the disease (P<.001). Furthermore, the intensity of social media use for the COVID-19 pandemic positively influenced the coping appraisal for the disease (P<.001). Higher COVID-19 threat appraisal had a positive effect on social distancing adherence (P<.001). Higher COVID-19 coping appraisal had a positive effect on social distancing adherence (P<.001). Higher intensity of COVID-19 knowledge positively influenced social distancing adherence (P<.001). There were country-level variations. Broadly, we found that the United States had better results than South Korea and Kuwait in leveraging the information to threat and coping appraisal to the adherence process, indicating that individuals in countries like the United States and South Korea may be more pragmatic to appraise the situation before making any decisions. Conclusions: This study's findings suggest that the mediation of threat and coping strategies are essential, in varying effects, to shape the information and social media strategies for adherence outcomes. Accordingly, coordinating public service announcements along with information source outlets such as mainstream media (eg, TV and newspaper) as well as social media (eg, Facebook and Twitter) to inform citizens and, at the same time, deliver balanced messages about the threat and coping appraisal is critical in implementing a staggered social distancing and sheltering strategy.
MeSH term(s)	Adaptation, Psychological ; Adult ; COVID-19/epidemiology ; Cross-Sectional Studies ; Female ; Humans ; Internet ; Male ; Middle Aged ; Physical Distancing ; Surveys and Questionnaires ; Telemedicine/methods
Keywords	covid19
Language	English
Publishing date	2020-11-18
Publishing country	Canada
Document type	Journal Article ; Multicenter Study ; Randomized Controlled Trial
ZDB-ID	2028830-X
ISSN	1438-8871 ; 1439-4456
ISSN (online)	1438-8871
ISSN	1439-4456
DOI	10.2196/23019
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Citizens’ Adherence to COVID-19 Mitigation Recommendations by the Government

Al-Hasan, Abrar / Yim, Dobin / Khuntia, Jiban

Journal of Medical Internet Research, Vol 22, Iss 8, p e

A 3-Country Comparative Evaluation Using Web-Based Cross-Sectional Survey Data

2020 Volume 20634

Abstract: BackgroundSocial distancing is an effective preventative policy for the coronavirus disease (COVID-19) that is enforced by governments worldwide. However, significant variations are observed in following the policy across individuals and countries. ... ...

Abstract	BackgroundSocial distancing is an effective preventative policy for the coronavirus disease (COVID-19) that is enforced by governments worldwide. However, significant variations are observed in following the policy across individuals and countries. Arguably, differences in citizens’ adherence actions will be influenced by their perceptions about government’s plans and the information available to guide their behaviors—more so in the digital age in the realm of mass influence of social media on citizens. Insights into the underlying factors and dynamics involved with citizens’ adherence process will inform the policy makers to follow appropriate communication and messaging approaches to influence citizens’ willingness to adhere to the recommendations. ObjectiveThe aim of this study is a comparative evaluation of citizens’ adherence process to COVID-19–relevant recommendations by the government. The focus is on how three different countries’ (United States, Kuwait, and South Korea) citizens, randomly sampled, respond to governments’ pandemic guidance efforts. We draw insights into two categories of perceived government roles in managing the pandemic: (1) citizens’ perceptions of government’s role in responding to the pandemic and (2) citizens’ perceptions of government’s business reopening efforts. Undoubtedly, the internet and social media have burgeoned, with differing effects on shaping individuals’ views and assessments of the COVID-19 situation; we argue and test for the effects of information sources, social media use, and knowledge on the adherence actions. MethodsWe randomly sampled web-based survey data collected by a global firm in May 2020 from citizens of the United States, Kuwait, and South Korea. A nonlinear ordered probit regression, controlling for several counterfactuals, was used for analysis. The focal estimated effects of the study were compared across countries using the weighted distance between the parameter estimates. ResultsThe total sample size was 482 respondents, of which 207 (43%) ...
Keywords	Computer applications to medicine. Medical informatics ; R858-859.7 ; Public aspects of medicine ; RA1-1270
Subject code	320 ; 306
Language	English
Publishing date	2020-08-01T00:00:00Z
Publisher	JMIR Publications
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Threat, Coping, and Social Distance Adherence During COVID-19

Al-Hasan, Abrar / Khuntia, Jiban / Yim, Dobin

Journal of Medical Internet Research, Vol 22, Iss 11, p e

Cross-Continental Comparison Using an Online Cross-Sectional Survey

2020 Volume 23019

Abstract: BackgroundSocial distancing is an effective preventative policy for COVID-19 that is enforced by governments worldwide. However, significant variations are observed in adherence to social distancing across individuals and countries. Due to the lack of ... ...

Abstract	BackgroundSocial distancing is an effective preventative policy for COVID-19 that is enforced by governments worldwide. However, significant variations are observed in adherence to social distancing across individuals and countries. Due to the lack of treatment, rapid spread, and prevalence of COVID-19, panic and fear associated with the disease causes great stress. Subsequent effects will be a variation around the coping and mitigation strategies for different individuals following different paths to manage the situation. ObjectiveThis study aims to explore how threat and coping appraisal processes work as mechanisms between information and citizens’ adherence to COVID-19–related recommendations (ie, how the information sources and social media influence threat and coping appraisal processes with COVID-19 and how the threat and coping appraisal processes influence adherence to policy guidelines). In addition, this study aims to explore how citizens in three different countries (the United States, Kuwait, and South Korea), randomly sampled, are effectively using the mechanisms. MethodsRandomly sampled online survey data collected by a global firm in May 2020 from 162 citizens of the United States, 185 of Kuwait, and 71 of South Korea were analyzed, resulting in a total sample size of 418. A seemingly unrelated regression model, controlling for several counterfactuals, was used for analysis. The study’s focal estimated effects were compared across the three countries using the weighted distance between the parameter estimates. ResultsThe seemingly unrelated regression model estimation results suggested that, overall, the intensity of information source use for the COVID-19 pandemic positively influenced the threat appraisal for the disease (P<.001). Furthermore, the intensity of social media use for the COVID-19 pandemic positively influenced the coping appraisal for the disease (P<.001). Higher COVID-19 threat appraisal had a positive effect on social distancing adherence (P<.001). Higher COVID-19 ...
Keywords	Computer applications to medicine. Medical informatics ; R858-859.7 ; Public aspects of medicine ; RA1-1270
Subject code	360
Language	English
Publishing date	2020-11-01T00:00:00Z
Publisher	JMIR Publications
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Citizens' Adherence to COVID-19 Mitigation Recommendations by the Government: A 3-Country Comparative Evaluation Using Web-Based Cross-Sectional Survey Data

Al-Hasan, Abrar / Yim, Dobin / Khuntia, Jiban

J Med Internet Res

Abstract: BACKGROUND: Social distancing is an effective preventative policy for the coronavirus disease (COVID-19) that is enforced by governments worldwide. However, significant variations are observed in following the policy across individuals and countries. ... ...

Abstract	BACKGROUND: Social distancing is an effective preventative policy for the coronavirus disease (COVID-19) that is enforced by governments worldwide. However, significant variations are observed in following the policy across individuals and countries. Arguably, differences in citizens' adherence actions will be influenced by their perceptions about government's plans and the information available to guide their behaviors-more so in the digital age in the realm of mass influence of social media on citizens. Insights into the underlying factors and dynamics involved with citizens' adherence process will inform the policy makers to follow appropriate communication and messaging approaches to influence citizens' willingness to adhere to the recommendations. OBJECTIVE: The aim of this study is a comparative evaluation of citizens' adherence process to COVID-19-relevant recommendations by the government. The focus is on how three different countries' (United States, Kuwait, and South Korea) citizens, randomly sampled, respond to governments' pandemic guidance efforts. We draw insights into two categories of perceived government roles in managing the pandemic: (1) citizens' perceptions of government's role in responding to the pandemic and (2) citizens' perceptions of government's business reopening efforts. Undoubtedly, the internet and social media have burgeoned, with differing effects on shaping individuals' views and assessments of the COVID-19 situation; we argue and test for the effects of information sources, social media use, and knowledge on the adherence actions. METHODS: We randomly sampled web-based survey data collected by a global firm in May 2020 from citizens of the United States, Kuwait, and South Korea. A nonlinear ordered probit regression, controlling for several counterfactuals, was used for analysis. The focal estimated effects of the study were compared across countries using the weighted distance between the parameter estimates. RESULTS: The total sample size was 482 respondents, of which 207 (43%) lived in the United States, 181 (38%) lived in Kuwait, and 94 (20%) lived in South Korea. The ordered probit estimation results suggest that overall, perception of government response efforts positively influenced self-adherence (P<.001) and others' adherence (P<.001) to social distancing and sheltering. Perception of government business reopening efforts positively influenced others' adherence (P<.001). A higher intensity of general health information source for COVID-19 had a positive effect on self-adherence (P=.003). A higher intensity of social media source use for COVID-19 positively influenced others' adherence (P=.002). A higher intensity of knowledge on COVID-19 positively influenced self-adherence (P=.008) and negatively influenced others' adherence (P<.001). There were country-level variations-broadly, the United States and Kuwait had better effects than South Korea. CONCLUSIONS: As the COVID-19 global pandemic continues to grow and governmental restrictions are ongoing, it is critical to understand people's frustration to reduce panic and promote social distancing to facilitate the control of the pandemic. This study finds that the government plays a central role in terms of adherence to restrictions. Governments need to enhance their efforts on publicizing information on the pandemic, as well as employ strategies for improved communication management to citizens through social media as well as mainstream information sources.
Keywords	covid19
Publisher	WHO
Document type	Article
Note	WHO #Covidence: #680324
Database	COVID19

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Article ; Online: Accuracy Comparison between Robot-Assisted Dental Implant Placement and Static/Dynamic Computer-Assisted Implant Surgery: A Systematic Review and Meta-Analysis of In Vitro Studies.

Jain, Saurabh / Sayed, Mohammed E / Ibraheem, Wael I / Ageeli, Abrar A / Gandhi, Sumir / Jokhadar, Hossam F / AlResayes, Saad Saleh / Alqarni, Hatem / Alshehri, Abdullah Hasan / Huthan, Halah Mohammed / Alami, Atheer / Al Wadei, Mohammed Hussain Dafer / Aljabri, Yahya

Medicina (Kaunas, Lithuania)

2023 Volume 60, Issue 1

Abstract: Background and ... ...

Abstract	Background and Objectives
MeSH term(s)	Humans ; Dental Implants ; Robotics ; Surgery, Computer-Assisted/methods ; Research Design ; Computers ; Imaging, Three-Dimensional
Chemical Substances	Dental Implants
Language	English
Publishing date	2023-12-20
Publishing country	Switzerland
Document type	Meta-Analysis ; Systematic Review ; Journal Article ; Review
ZDB-ID	2188113-3
ISSN	1648-9144 ; 1010-660X
ISSN (online)	1648-9144
ISSN	1010-660X
DOI	10.3390/medicina60010011
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Article ; Online: COVID-19 in patients with rheumatological diseases in the Eastern Province of Saudi Arabia.

Alqatari, Safi / Nemer, Ameera / Hasan, Manal / Bukhari, Raed / Al Argan, Reem / Al Khafaji, Dania / Alwaheed, Abrar / Alzaki, Alaa / Al-Wazza, Marwan / Al Warthan, Sara / Al Saeed, Abir / Albeladi, Feda / Almeer, Hashim / AlSulaiman, Reem / Abu Quren, Ahmed

Journal of medicine and life

2023 Volume 16, Issue 6, Page(s) 873–882

Abstract: The severity of the 2019 coronavirus disease (COVID-19) and its effects remain unpredictable. Certain factors, such as obesity, hypertension, and type 2 diabetes mellitus, may increase the severity of the disease. Rheumatology experts suggest that ... ...

Abstract	The severity of the 2019 coronavirus disease (COVID-19) and its effects remain unpredictable. Certain factors, such as obesity, hypertension, and type 2 diabetes mellitus, may increase the severity of the disease. Rheumatology experts suggest that patients with active autoimmune conditions and controlled autoimmune diseases on immunosuppressive therapy may be at higher risk of developing severe COVID-19. In this retrospective observational study, we aimed to examine the patterns of COVID-19 in patients with underlying rheumatological diseases and their association with disease severity and hospital outcomes. A total of 34 patients with underlying rheumatological diseases who tested positive for severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) by polymerase chain reaction (PCR) were included between March 2020 and April 2021 at King Fahd Hospital of the University. The study population consisted of 76.47% female and 23.53% male patients, with a mean age ranging from 20 to 40 years. Female gender (p=0.0001) and younger age (p=0.004) were associated with milder disease. The most frequent rheumatological disease was systemic lupus erythematosus (SLE) (38.24%), which was associated with a milder infection (p=0.045). Patients treated with mycophenolate mofetil (MMF) had a milder disease course (p=0.0037). Hypertension was significantly associated with severe COVID-19 disease (p=0.037). There was no significant relationship between SLE and the need for ICU admission. Patients on hydroxychloroquine and MMF tended to develop milder disease, and there was no association between the severity of the infection and the treatment with steroids.
MeSH term(s)	Humans ; Female ; Male ; Young Adult ; Adult ; Saudi Arabia/epidemiology ; Diabetes Mellitus, Type 2 ; COVID-19/complications ; COVID-19/epidemiology ; SARS-CoV-2 ; Lupus Erythematosus, Systemic/complications ; Lupus Erythematosus, Systemic/drug therapy ; Lupus Erythematosus, Systemic/epidemiology ; Autoimmune Diseases ; Hypertension/complications ; Hypertension/epidemiology ; Mycophenolic Acid ; Rheumatic Diseases/complications ; Rheumatic Diseases/epidemiology
Chemical Substances	Mycophenolic Acid (HU9DX48N0T)
Language	English
Publishing date	2023-08-22
Publishing country	Romania
Document type	Observational Study ; Journal Article
ZDB-ID	2559353-5
ISSN	1844-3117 ; 1844-3117 ; 1844-3109
ISSN (online)	1844-3117
ISSN	1844-3117 ; 1844-3109
DOI	10.25122/jml-2023-0037
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Article ; Online: Influence of Chairside Simulated Adjustment (Finishing and Polishing) Protocol and Chlorhexidine Mouthwash Immersion on Color Stability and Translucency of 2 and 3 Preshaded Multilayered Monolithic Zirconia.

Sayed, Mohammed E / Jain, Saurabh / Ageeli, Abrar A / Alnajdi, Alhanouf K / Zain, Asma Ahmed / Alali, Maimonah / Alhazmi, Abdulaziz Ali Ahmed / Alsubaiy, Ebrahim Fihaid / Alshehri, Abdullah Hasan / Alshahrani, Ahid Amer / Alamri, Mohammad / Al Wadei, Mohammed H / Jokhadar, Hossam F / Mattoo, Khurshid

Medical science monitor : international medical journal of experimental and clinical research

2024 Volume 30, Page(s) e943404

Abstract: BACKGROUND Preshaded monolithic zirconia (MLZ) is reported to have high translucency. This study aimed to assess the effect of chlorhexidine gluconate (ChG) mouthwash on color and translucency parameter (TP) of 2 different preshaded MLZ dental ceramics ... ...

Abstract	BACKGROUND Preshaded monolithic zirconia (MLZ) is reported to have high translucency. This study aimed to assess the effect of chlorhexidine gluconate (ChG) mouthwash on color and translucency parameter (TP) of 2 different preshaded MLZ dental ceramics after clinical adjustment. MATERIAL AND METHODS Two MLZ disk-shaped specimens [NPM (Nacera Pearl Multi-Shade) (n=72) and CZM (Ceramill Zolid FX Multilayer)] (n=72) were simulated for clinical adjustment, finished, and polished using 2 adjustment kits [recommended kit, third-party kit: Diasynt Plus and SUN (n=12 each)] and later immersed in ChG mouthwash (Avohex) for 2 weeks. Difference in color (ΔE) and TP (Y) were calculated using the CIELab formula after measuring the coordinates (Lab) with a colorimeter. Individual changes in color and TP were assessed on the Clinical acceptance (perceptible) threshold (CAT/CPT) and Translucency perception threshold (TPT), respectively. Differences between the 2 ceramics were assessed using one-way ANOVA and post hoc tests, with all differences considered significant at P<0.05. RESULTS NPM and CZM differed in color at baseline despite having the same Vita shade combination. Between the 2 preshaded MLZ ceramics, NPM showed significant changes in color when adjusted with a third-party kit. Chlorhexidine produced changes in color and TP that were designated as clinically perceptible (ΔE=1.0 to 3.3) on the CAT/CPT and TPT scales, irrespective of the adjustment kit used. ChG produced the least or no changes in glazed MLZ specimens. CONCLUSIONS ChG mouthwash, whenever prescribed for preshaded MLZ restoration, should be adjusted prior to final glazing to avoid clinical adjustments that adversely affects color and translucency of the restoration.
MeSH term(s)	Color ; Chlorhexidine/pharmacology ; Mouthwashes/pharmacology ; Immersion ; Materials Testing ; Surface Properties ; Ceramics ; Dental Porcelain ; Zirconium
Chemical Substances	zirconium oxide (S38N85C5G0) ; Chlorhexidine (R4KO0DY52L) ; Mouthwashes ; Dental Porcelain (12001-21-7) ; Zirconium (C6V6S92N3C)
Language	English
Publishing date	2024-02-20
Publishing country	United States
Document type	Journal Article
ZDB-ID	1439041-3
ISSN	1643-3750 ; 1234-1010
ISSN (online)	1643-3750
ISSN	1234-1010
DOI	10.12659/MSM.943404
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