Dental hygiene has come a long way since the days of wine-soaked toothpicks and the urine mouthwash once thought to disinfect mouths and whiten teeth.

Some of the earliest tooth-cleaning artifacts archaeologists have found are ancient toothpicks, dental tools and written tooth care descriptionsdating back more than 2,500 years. Famous Greek doctor Hippocrates was one of the first to recommend cleaning teeth with what was basically a dry toothpaste, called a dentifrice powder.


Ancient Chinese and Egyptian texts advised cleaning teeth and removing decay to help maintain health. Some of the early techniques in these cultures included chewing on bark or sticks with frayed ends, feathers, fish bones and porcupine quills. They used materials like silver, jade and gold to repair or decorate their teeth.

A miswak fights bacteria and physically cleans off teeth. ustun ibisoglu/Shutterstock.com

People in the Arabian Peninsula, North Africa and the Indian subcontinent traditionally cleaned their teeth with chew sticks made from the Salvadora persica tree. They’re called miswak. Europeans cleaned their teeth with rags rolled in salt or soot.

Believe it or not, in the early 1700s a French doctor named Pierre Fauchard told people not to brush. And he’s considered the father of modern dentistry! Instead, he encouraged cleaning teeth with a toothpick or sponge soaked in water or brandy.

In the late 1700s, Englishman William Addis was the first to sell toothbrushes on a large scale. He got the idea after making a toothbrush from bone and animal bristles while in prison.

Before modern-day toothpaste was created, pharmacists mixed and sold tooth cream or powder. Early tooth powders were made from something abrasive, like talc or crushed seashells, mixed with essential oils, such as eucalyptus or camphor, thought to fight germs. Their flavors came from oils of cinnamon, clove, rose or peppermint. Many contained other chemicals such as ammonia, chlorophyll and penicillin. These ingredients fight the acid-producing bacteria that can cause tooth decay and bad breath.

A 1919 ‘White Toothbrush Drill’ in Alabama. Tennessee Coal, Iron & Railroad Company. Library of Congress, Prints & Photographs Division, LC-USZ62-63674, CC BY

By the 1900s, children of immigrants to the U.S. were taught oral hygiene as a way to help “Americanize” them and their families. Factories examined and cleaned their workers’ teeth to keep them from missing work due to toothaches.

Daily tooth brushing became more common thanks to World War II, when the American army required soldiers to brush their teeth as part of their daily hygiene practices. The first nylon toothbrush was made in 1938, followed by the electric toothbrush in the 1960s.

Nowadays, there are dozens of kinds of tools and potions to help keep your mouth healthy. As a professor of dental hygiene, I believe it’s most important to clean your mouth daily, no matter how you choose to do so. Well, maybe stay away from the urine mouthwash.

is Assistant Professor of Dental Hygiene, Texas A&M University.

This article originally appeared on The Conversation. You can read it here.

  • Man’s dog suddenly becomes protective of his wife, Internet clocks the reason right away
    Dogs have impressive observational powers.Photo credit: Canva

    Reddit user Girlfriendhatesmefor’s three-year-old pitbull, Otis, had recently become overprotective of his wife. So he asked the online community if they knew what might be wrong with the dog.

    “A week or two ago, my wife got some sort of stomach bug,” the Reddit user wrote under the subreddit /r/dogs. “She was really nauseous and ill for about a week. Otis is very in tune with her emotions (we once got in a fight and she was upset, I swear he was staring daggers at me lol) and during this time didn’t even want to leave her to go on walks. We thought it was adorable!”

    His wife soon felt better, butthe dog’s behavior didn’t change.

    pregnancy signs, dogs and pregnancy, pitbull behavior, pet intuition, dog overprotection, Reddit stories, viral Reddit, dog instincts, canine emotions, dog owner tips
    Otis knew before they did. Canva

    Girlfriendhatesmefor began to fear that Otis’ behavior may be an early sign of an aggression issue or an indication that the dog was hurt or sick.

    So he threw a question out to fellow Reddit users: “Has anyone else’s dog suddenly developed attachment/aggression issues? Any and all advice appreciated, even if it’s that we’re being paranoid!”

    The most popular response to his thread was by ZZBC.

    Any chance your wife is pregnant?

    ZZBC | Reddit

    The potential news hit Girlfriendhatesmefor like a ton of bricks. A few days later, Girlfriendhatesmefor posted an update and ZZBC was right!

    “The wifey is pregnant!” the father-to-be wrote. “Otis is still being overprotective but it all makes sense now! Thanks for all the advice and kind words! Sorry for the delayed reply, I didn’t check back until just now!”

    Redditors responded with similar experiences.

    Anecdotal I know but I swear my dog knew I was pregnant before I was. He was super clingy (more than normal) and was always resting his head on my belly.

    realityisworse | Reddit

    So why do dogs get overprotective when someone is pregnant?

    Jeff Werber, PhD, president and chief veterinarian of the Century Veterinary Group in Los Angeles, told Health.com that “dogs can also smell the hormonal changes going on in a woman’s body at that time.” He added the dog may “not understand that this new scent of your skin and breath is caused by a developing baby, but they will know that something is different with you—which might cause them to be more curious or attentive.”

    The big lesson here is to listen to your pets and to ask questions when their behavior abruptly changes. They may be trying to tell you something, and the news may be life-changing.

    This article originally appeared last year.

  • Throughout history, women have stood up and fought to break down barriers imposed on them from stereotypes and societal expectations. The trailblazers in these photos made history and redefined what a woman could be. In doing so, they paved the way for future generations to stand up and continue to fight for equality.

  • ,

    Why mass shootings spawn conspiracy theories

    Mass shootings and conspiracy theories have a long history.

    While conspiracy theories are not limited to any topic, there is one type of event that seems particularly likely to spark them: mass shootings, typically defined as attacks in which a shooter kills at least four other people.

    When one person kills many others in a single incident, particularly when it seems random, people naturally seek out answers for why the tragedy happened. After all, if a mass shooting is random, anyone can be a target.

    Pointing to some nefarious plan by a powerful group – such as the government – can be more comforting than the idea that the attack was the result of a disturbed or mentally ill individual who obtained a firearm legally.


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