In one sentence, describe what the following article is about: If you've noticed gum recession, you most likely have periodontitis. In this condition, plaque and bacteria gather between your teeth and your gums, wearing away at the gum and bone. Loose teeth, teeth that are sensitive to cold or heat, permanent bad breath, teeth that look bigger creating an unaesthetic smile and dark triangles between teeth, or pain while chewing are all signs that this infection has been around for a while. A dentist visit is recommended for any receding gums, and as soon as you can if you have these advanced symptoms. Sometimes the gums recede rapidly, even if no other signs are present. This happens more often in puberty and young adulthood. Visit a dentist right away and ask whether "aggressive periodontitis" is a possibility. Antibiotic treatment 24 hours before the regular cleaning may be effective to reduce the amount of bacteria. Most dentists recommend a visit at least once a year. It's a good idea to visit twice a year or more if you have receding gums. Schedule an additional visit if you notice a new symptom, such as white sores in your mouth, or teeth becoming sensitive to cold. People with diabetes, eating disorders, HIV, or cardiovascular diseases may need more regular checkups. Ask your dentist and doctor for advice. Gum recession and gum disease are very common problems. Your dentist most likely has a great deal of experience and training in the subject. She will most likely start by cleaning your teeth with special tools:  At a regular cleaning session, the dentist will brush away plaque and polish your teeth to a smooth surface. This is called "scaling and root planing."  If you have receding gums caused by disease, the dentist will probably do the same thing lower down on your teeth: a deep cleaning. Depending on how much the gums have receded, this might take two to four appointments. This can make your mouth sore, sensitive to hot and cold, and bloody. If it causes worse pain, stop your dentist and ask for a numbing medication. More serious recession may require more serious treatment. Your dentist will let you know if these are a good idea, but here's a description to make them less mysterious:  A pocket depth reduction cleans teeth down below the level of the gums, in "pockets" of air left by thinning gums. The gum is then secured back onto your teeth to hopefully slow or stop recession and in some cases bone grafts may be required to stabilize the tooth. Depending on your mouth, this may feel the same as deep cleaning, or require very minor local surgery to get access to the gums.  If the recession is severe, the dentist can perform a gum graft, cutting skin from the roof of your mouth or elsewhere on your gum, and attaching it over the exposed teeth. Most patients remain awake but numbed, but if you have extreme dental fear you can be put unconscious. Most pain and swelling ends within a day, but for a week or two you should avoid alcohol and tobacco, rinse with mouthwash, and be careful while chewing.
Summary: Look for signs of infection. Visit the dentist. Ask for a cleaning. Learn about more advanced treatments.

In one sentence, describe what the following article is about: Being assertive does not mean you are aggressive or mean. One of the main characteristics of being assertive is being positive and proactive about your opinions and beliefs. When dealing with your coworkers, always approach situations with a calm and positive manner when expressing your opinions.  For example, if you are upset about a performance review, approach your boss or supervisor with a calm and level head. Think about what you want to address about the review ahead of time and express your concerns in a positive, relaxed manner. Your boss will be more likely to take you seriously if you don’t accuse or act out. Start the exchange with phrases such as, "I would like to discuss my recent review with you. I feel there are some inconsistencies and I would like to address them." Avoid yelling, showing anger, or avoiding the situation. Being overly aggressive will not make your boss take you seriously and avoiding the situation by calling out from work will only reflect negatively on you.  Look your boss or supervisor in the eye when you approach him/her, avoid crossing your arms or taking a defensive position, don't raise your voice, and avoid fidgeting when you discuss the situation. One of the best ways to be assertive is to have faith in your opinions and idea. If you don’t believe in yourself, you will never want to speak up with your ideas or suggestions. Try to express more of your ideas every day at the office, or at least when a proper time arises.  During a meeting, if you have a great idea for your boss about a future project you’d like to initiate or a story you would like to write, speak up in a positive, calm manner. Have faith in your ideas and capabilities. Just make sure your ideas are fully thought out and prepared. Another part of being assertive is making informed comments, decisions, and suggestions. To do this, you need to actively listen to those around you. When a coworker is expressing opinions or beliefs, don’t interrupt or belittle those comments. Instead, try to consider your coworker’s point of view and take it in.  This means really listening to your coworkers and trying to understand where your coworker is coming from. Once you do this, you can make an informed decision about what your own opinions about a situation. When you are learning to be assertive, you need to tap into what you want, feel, and need. This should be reflected in your statements. Instead of placing blame or being vague, use statements that begin with ‘I’ or that have that as a main component. For example, don’t tell a coworker, “What if we changed distributors or vendors to save money on office supplies?” Instead, say “I believe we should change vendors to save money on office supplies.” When you are expressing your opinions, do so with confidence. This will make you seem more assertive and like you know exactly what you are talking about. Make sure you aren’t being arrogant, where you seem full of yourself. For example, go into your next meeting with great ideas that you say in a calm, even tone with an air of confidence and a positive or neutral facial expression. Your boss and coworkers will be more likely to take you seriously. One of the main reasons you may not be assertive at work is because you are stressed about the situation. You may stress about the outcomes of a situation where you have an opportunity to be assertive to the point that you lose that opportunity. Try to avoid that by stressing less about a situation. For example, if you are working on a project with some coworkers and you have a great idea for the project, you should suggest your idea in a positive, calm manner. Don’t overthink it and stress yourself out. If you believe that you are being taken advantage of at work, you should speak up and assert your opinion on the matter. No one but you can make sense of how you are being treated. If you think a coworker, supervisor, or boss is treating you unfairly, calmly and rationally discuss the behavior.  Try to have specific examples of the unfair treatment or abuse. This will make your case more solid and grounded in real life examples. Try to avoid screaming or acting irrationally in the face of these acts. This will only make you look bad. Always approach situations as assertive instead of aggressive.
Summary:
Approach your coworkers in a calm, friendly manner. Have faith in your abilities. Practice active listening. Use ‘I’ statements. Be confident. Don’t let stress get to you. Speak up about misconduct.