why do we have wisdom teeth removed

why do we have wisdom teeth removed

Many times, however, wisdom teeth don't have room to grow properly and can cause problems. Erupting wisdom teeth can grow at various angles in the jaw, sometimes even horizontally. Problems can include wisdom teeth that: Remain completely hidden within the gums. If they aren't able to emerge normally, wisdom teeth become trapped (impacted) within your jaw. Sometimes this can result in infection or can cause a cyst that can damage other teeth roots or bone support. Emerge partially through the gums. Because this area is hard to see and clean, wisdom teeth that partially emerge create a passageway that can become a magnet for bacteria that cause gum disease and oral infection. Crowd nearby teeth. If wisdom teeth don't have enough room to come in properly, they may crowd or damage nearby

 why do we see the phases of the moon

why do we see the phases of the moon

Moon phases are determined by the relative positions of the Moon, Earth, and Sun. Before we describe the phases of the Moon, letБs describe what theyБre not. Some people mistakenly believe the phases come from EarthБs shadow cast on the Moon. Others think that the Moon changes shape due to clouds. These are common misconceptions, but theyБre not true. Instead, the MoonБs phase depends only on its position relative to Earth and the Sun. The Moon doesnБt make its own light, it just reflects the SunБs light as all the planets do. The Sun always illuminates one half of the Moon. Since the Moon is tidally locked, we always see the same side from Earth, but thereБs no permanent Бdark side of the Moon. Б The Sun lights up different sides of the Moon as it orbits around Earth Б itБs the fraction

 why do we dress up for purim

why do we dress up for purim

Q. Why do we dress up with costumes on Purim? A. It is an ancient Jewish custom to dress up in different costumes on Purim. In the story of Purim, the Persian king Achashveirosh gets drunk at a party and kills his queen, Vashti. He then marries Esther a cousin of the Jewish leader Mordechai. When the kingвs prime minister, Haman develops a plot to kill all the Jews in the Persian Empire, Mordechai convinces Esther to use her influence with the king to save the Jewish people. In the Purim story plot there are no outright miracles but many unrelated details come together to save the Jewish people. ...

 why is uranus blue green in color

why is uranus blue green in color

Uranus tilts over so far on its that it on its side. Because of this, its are sometimes pointed almost directly at the Sun. Uranus' is made up of hydrogen, helium, and methane. The temperature in the upper atmosphere is very cold. The cold methane gas is what gives Uranus its blue-green color. The rapid rotation of Uranus causes winds up to 600 per hour to blow in its atmosphere. ...

 why do we get hungry at night

why do we get hungry at night

People were hungriest at their internal body clock evening no matter what they were doing. Why this occurred exactly isn t known, but researchers can speculate: It is likely related to changes in the strength of connections in the appetite centers of the brain (e. g. , more neurotransmitter release, more receptors, and/or strengthened synapses), says Steven Shea, PhD, director for the Center for Research on Occupational and Environmental Toxicology at Oregon Health Science University and the lead researcher. The main circadian pacemaker that controls all of our daily rhythms emanates from a group of cells in the hypothalamus of the brain. Some of the parts of the brain circuits that also regulate appetite are also in the hypothalamus, so there are clear connections between the two

 why do we have to wear school uniforms

why do we have to wear school uniforms

A shirt, tie and blazer may not be the ingredients for my favourite outfit, but if I were given the choice, I wouldnБt throw away the idea of school uniform. Wearing a uniform is a badge of pride, creates an identity for a school and is an important part of being a school student. БUniforms show that you are part of an organisation. Wearing it says weБre all in this together,Б Jason Wing, head teacher at the Neale-Wade academy in Cambridgeshire, says. БAlso, if you wear your uniform with pride, it means you are half way there to being respectful, buying into what the organisation is all about. ББ Claire Howlette, an English teacher, agrees: БUniforms give students a sense of belonging to a particular school and create an identity for the school in the community. Б My school is one of

 why should students learn a foreign language

why should students learn a foreign language

Foreign Language study creates more positive attitudes and less prejudice toward people who are different. Analytical skills improve when students study a foreign language. Business skills plus foreign language skills make an employee more valuable in the marketplace. Dealing with another culture enables people to gain a more profound understanding of their own culture. Creativity is increased with the study of foreign languages. Graduates often cite foreign language courses as some of the most valuable courses in college because of the communication skills developed in the process. International travel is made easier and more pleasant through knowing a foreign language. Skills like problem solving, dealing with abstract concepts, are increased when you study a foreign language. Foreign

 why do polyps form in the colon

why do polyps form in the colon

Polyps can be found on a number of tests. These tests may include: During this procedure, a camera attached to a thin, flexible tube is threaded through the anus. This allows your doctor to view the rectum and colon. If a polyp is found, your doctor can remove it immediately or take tissue samples for analysis. This screening method is similar to a colonoscopy, but it can only be used to see the rectum and lower colon. It canвt be used to take a biopsy, or a sample of tissue. If your doctor detects a polyp, you ll need to schedule a colonoscopy to have it removed. For this test, your doctor injects liquid barium into your rectum and then uses a special X-ray to take images of your colon. Barium makes your colon appear white in the pictures. ...

 why do nipples get hard and hurt

why do nipples get hard and hurt

It can happen out of nowhere. There you are, standing in the checkout line at a grocery store, when all of a sudden your nipples become erect. You donвt know why it happened, and you may be a little worried. Donвt be! Random nipple hardness is totally normal from time to time. The nerves in the nipple react to stimuli, both physical and psychological. ...

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