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  2. Human tooth sharpening - Wikipedia

    en.wikipedia.org/wiki/Human_tooth_sharpening

    Ota Benga, a famous Congolese pygmy, shows off his sharpened teeth. A man with filed teeth (probably Mentawai) smokes in a photograph by Dutch photographer Christiaan Benjamin Nieuwenhuis who worked in Sumatra. Human tooth sharpening is the practice of manually sharpening the teeth, usually the front incisors. Filed teeth are customary in ...

  3. Hydrodynamic theory (dentistry) - Wikipedia

    en.wikipedia.org/wiki/Hydrodynamic_theory...

    In his clinical practice, Gysi observed that the removal of fluid from the cavity floor of his patients' teeth produced the sharp, short pain of dentine hypersensitivity. He subsequently concluded that drying the cavity fluid caused an interruption in the fluid flow movement within the dentinal tubules. [ 20 ]

  4. Pulpitis - Wikipedia

    en.wikipedia.org/wiki/Pulpitis

    Increased sensitivity to stimuli, specifically hot and cold, is a common symptom of pulpitis. A prolonged throbbing pain may be associated with the disease. [2] However, pulpitis can also occur without any pain. [3] Reversible pulpitis is characterised by intermittent, brief discomfort initiated by a hot, cold or sweet stimulus.

  5. Do I need to worry about brushing my teeth too hard? Here’s ...

    www.aol.com/lifestyle/worry-brushing-teeth-too...

    Brushing teeth too hard can wear down the enamel, aka the protective layer on your teeth. (Photo illustration: Jay Sprogell for Yahoo News; photo: Getty Images) (Photo illustration: Jay Sprogell ...

  6. Human tooth - Wikipedia

    en.wikipedia.org/wiki/Human_tooth

    Human teeth function to mechanically break down items of food by cutting and crushing them in preparation for swallowing and digesting. As such, they are considered part of the human digestive system. [1] Humans have four types of teeth: incisors, canines, premolars, and molars, which each have a specific function. The incisors cut the food ...

  7. 109 Times People Were Doing Something Very Wrong For Years - AOL

    www.aol.com/lifestyle/109-times-people-were...

    Image credits: milwbrewsox #7. My wife and I have this ceiling fan/light in our bedroom in the house we moved into two years ago. It has a remote control for the fan and lights.

  8. Dentin hypersensitivity - Wikipedia

    en.wikipedia.org/wiki/Dentin_hypersensitivity

    The most common trigger is cold, [4] with 75% of people with hypersensitivity reporting pain upon application of a cold stimulus. [3] Other types of stimuli may also trigger pain in dentin hypersensitivity, including: Thermal – hot and cold drinks and foods, [7] cold air, coolant water jet from a dental instrument. Electrical – electric ...

  9. My Life As a Homeless Man in America - AOL

    www.aol.com/lifestyle/life-homeless-man-america...

    Four teeth hurt too much to chew solid food. The sub comes with potato chips. I try to eat them but can’t take the pain. I’ve lost nearly half my teeth since I became disabled twenty-seven ...