EVIDENCES About Mouthwash Dentyl and Listerine can kill Covid-19?

Mouthwash can kill Covid-19 within 30 seconds?

British newspapers have recently quoted a study by Cardiff University that claimed that mouthwashes with 0.07 percent CPC are showing ‘promising results’ in combatting the lethal strain of coronavirus (COVID-19).

Backing this proposition, they narrated a test they had conducted in the University’s laboratory. During the experiment, they mimicked the conditions of the naso-oropharynx passage of the subject before and after using a mouthwash with the required percent of CPC.

These findings support another recently published study which identified that CPC-based mouthwashes are effective in reducing the viral load of coronavirus.

According to SkyNews, Professor David Thomas, from Cardiff University who is leading the clinical trial, said: "Although this in vitro study is very encouraging and is a positive step, more clinical research is now clearly needed.

"We need to understand if the effect of over-the-counter mouthwashes on the COVID-19 virus achieved in the laboratory can be reproduced in patients, and we look forward to completing our clinical trial in early 2021."

Dentyl Mouthwash can kill Covid-19?

Dr Nick Claydon, a specialist periodontist, said the research was "very valuable".

He said: "If these positive results are reflected in Cardiff University's clinical trial, CPC-based mouthwashes such as Dentyl used in the in vitro study could become an important addition to people's routine, together with handwashing, physical distancing and wearing masks, both now and in the future."

The study used common mouthwash brands like Dentyl and Listerine to show the virus can be killed in saliva, The New York Post reports.

EVIDENCES and FACTS About Mouthwash can kill Covid-19?

The Cardiff University report, entitled Virucidal Efficacy of Oral Rinse Components Against SARS-CoV-2 In Vitro, is also yet to be peer reviewed.

But it supports another study published last week that found CPC-based mouthwashes are effective in reducing Covid’s viral load.

The latest test was also carried out by scientists at the university’s laboratory and mimicked the conditions of a person’s naso/oropharynx passage using mouthwash brands including Dentyl.

The next stage of research, a 12-week clinical trial, will examine how effective mouthwash is in reducing the viral load in the saliva of Covid-19 patients, which will be key in the research.

Although the study is seen as significant, much more research needs to be carried out to understand whether mouthwash has the potential to reduce the levels of Covid-19 in a patient’s saliva.

Understanding how mouthwash would affect viral transmission between patients would also requite a different type of study on a much larger scale, experts said to Standart News.

Professor David Thomas said to Standart News: “Whilst these mouthwashes very effectively eradicate the virus in the laboratory, we need to see if they work in patients and this is the point of our ongoing clinical study."

Listerine mouthwash is displayed at a market in Pittsburgh Nov. 14, 2018.AP Photo/Gene J. Puskar

He added: “It is important to point out the study won’t give us any direct evidence on viral transmission between patients, that would require a different type of study on a much larger scale.

“The ongoing clinical study will, however, show us how long any effects last, following a single administration of the mouthwash in patients with Covid-19.”

Dr Nick Claydon, a specialist periodontologist, said he believed the research was “very valuable”.

He said: “If these positive results are reflected in Cardiff University’s clinical trial, CPC-based mouthwashes such as Dentyl used in the in-vitro study could become an important addition to people’s routine, together with hand washing, physical distancing and wearing masks, both now and in the future.”

There’s no evidence it can be used as an effective treatment for Covid-19 in the respiratory tract and lungs. The study’s lead author, Richard Stanton cautioned that the findings are preliminary, and urged people to continue following public health guidelines, such as social distancing, washing hands and wearing face masks.

“Whilst these mouthwashes very effectively eradicate the virus in the laboratory, we need to see if they work in patients and this is the point of our ongoing clinical study,” Cardiff professor David Thomas told BBC News.

Craig Meyers, a Penn State professor and leader of the study. “The products we tested are readily available and often already part of people’s daily routines... Even if the use of these solutions could reduce transmission by 50 percent, It would have a major impact.”

A third study, published in July by a team of German researchers in the Journal of Infectious Diseases, also found Listerine and other mouthwash products “significantly reduced viral infectivity to undetectable levels” when applied to strains of the coronavirus.

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