Wednesday April 24, 2019

E-cigarettes May Not Stain Teeth, says Study

Conversely, exposure to vapour from the e-cigarettes or tobacco heating products resulted in little or no colour change that was comparable to the untreated controls

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Vaping, teeth,e-cigarette, cigarettes
Nicotine vaping on rise among US teenagers: Survey. Pixabay

E-cigarettes and tobacco heating products cause significantly less staining to teeth than conventional cigarettes, a new study has found.

While cigarette smoke caused significant enamel discolouration, vapour from the e-cigarettes and aerosol from the tobacco heating products caused only minimal staining.

These next generation products do not involve combustion; the vapour and aerosol they produce are less complex and contain significantly lower levels of certain toxicants compared to cigarette smoke.

“Many studies have postulated that it is the tar in cigarette smoke that stains teeth,” said Annette Dalrymple, senior scientist at British American Tobacco in the UK.

“The study clearly shows that the e-cigarettes and tobacco heating products assessed caused minimal discolouration — very promising for consumers. However, further studies are required to understand the long-term effect on teeth staining and oral health when smokers switch to using next generation products,” Dalrymple added.

e-cigarettes
In this April 11, 2018, photo, an unidentified 15-year-old high school student uses a vaping device near the school’s campus in Cambridge, Mass. Health and education officials across the country are raising alarms over wide underage use of e-cigarettes and other vaping products. The devices heat liquid into an inhalable vapor that’s sold in sugary flavors like mango and mint — and often with the addictive drug nicotine. VOA

For the study, published in the journal American Journal of Dentistry, the team assessed and compared an e-cigarette, a tobacco heating product and a conventional cigarette for their impact on teeth enamel staining.

They assessed in the laboratory the level of enamel discoloration by cigarette smoke and vapour from e-cigarettes and tobacco heating products.

Tests were carried out on enamel blocks cut from bovine incisors — substitute for human teeth in dental research.

The enamel blocks were exposed to the particulate matter (isolated from the smoke/vapour) for 14 days and then whole smoke/vapour for five days.

e-Cigarette
e-Cigarette, Pixabay

The enamel samples were assessed before, during and after treatment and colour readings were determined using an established method involving spectrophotometer and trained scientists.

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Discolouration of enamel blocks exposed to cigarette smoke was apparent in as little as one day and continued to increase as the concentration of cigarette smoke increased, the findings revealed.

Conversely, exposure to vapour from the e-cigarettes or tobacco heating products resulted in little or no colour change that was comparable to the untreated controls. (IANS)

Next Story

Many Teenagers are Unaware of the Nicotine Content Present in e-Cigarettes: Study

The research involved 517 adolescents, aged 12 to 21, who were questioned about their use of e-cigarettes, traditional cigarettes and marijuana

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nicotine, e-cigarettes
FILE - A customer exhales vapor from an e-cigarette at a store in New York, Feb. 20, 2014. VOA

A new study shows that many teenagers who use e-cigarettes do not understand the amount of addictive nicotine they are inhaling.

The study, published in the American Academy of Pediatrics, found that 40 percent of adolescents who believed they were only using nicotine-free products were actually vaping significant amounts of the substance. The research involved 517 adolescents, aged 12 to 21, who were questioned about their use of e-cigarettes, traditional cigarettes and marijuana.

Researchers from Stony Brook University in New York state compared adolescents’ responses about their use of such substances against urine samples taken from the teenagers. They found that almost all of the respondents were honest about their substance use, however, they discovered the biggest discrepancy in the study came from teens who thought they were using nicotine-free e-cigarettes.

e-cigarette, nicotine
Customers puff at the Henley Vaporium in New York City. VOA

“Many of our participants were unaware of the nicotine content of the e-cigarette products they were using,” the researchers concluded.

Pros and cons

The study comes at a time when the popularity of e-cigarettes is on the rise and their use has become a divisive topic in the public health community.

Advocates for e-cigarettes say the products have the potential to shift lifelong smokers of traditional cigarettes onto less-harmful nicotine products, including e-cigarettes, while critics say that vaping risks bringing a new generation into nicotine addiction. Critics also point out that the health effects from the chemicals in e-cigarettes are not fully known.

e-cigarette, nicotine
The research involved 517 adolescents, aged 12 to 21, who were questioned about their use, traditional cigarettes and marijuana. Pixabay

It contains nicotine, which is addictive, but they do not contain tar or many of the other substances in traditional cigarettes, which make them deadly. Battery-powered e-cigarettes turn liquid nicotine into an inhalable vapor.

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Use among teens

Last year, the U.S. Food and Drug Administration announced a plan to restrict sales of most flavored e-cigarettes at drug stores and gasoline stations in an attempt to keep them out of the hands of young people.

U.S. federal law bans the sale to anyone under 18 years of age. But a study published last year found that 1 in 5 high school students report using the devices — an activity known as vaping. (VOA)