First, read the English article below.

Pericoronitis (the infection around the wisdom tooth) occurs when the tissue surrounding a wisdom tooth becomes inflamed and infected. It can be caused when only part of the tooth has “erupted” into the mouth, or if crowding near the wisdom teeth has made flossing and proper cleaning difficult. To figure out whether your wisdom tooth is infected, it is important to be able to identify the tell-tale signs and symptoms. Look for the following:  Bright red gums or red with white spots on your gums. The gums will be inflamed around the particular tooth. Moderate to severe pain in your jaw and difficulty chewing. You may notice swelling that looks like a small lump in your cheek. The swollen area may also feel hot to the touch.  An unpleasant, metallic taste in your mouth. This is caused by the blood and pus at the site of the infection. You may also experience bad breath as a result.  Difficulty opening your mouth or swallowing. This may mean that the infection has spread from the gums to the surrounding muscles.  Fever. A temperature above 100 degrees F (37.8 degrees C) indicates that you have a fever, which means that your body is fighting off an infection. In severe cases, the infection may be accompanied by muscle weakness. If this is the case, you should contact a dentist or doctor immediately. In some cases, the root may also be infected. If this is the case, your dentist will likely extract the tooth. Salt is naturally antiseptic. Using a saltwater rinse can help kill bacteria in your mouth. Add ½ to 1 teaspoon of salt to 8 ounces of lukewarm water. Mix well to combine.  Take a mouthful of the rinse and swirl it around your mouth for 30 seconds, concentrating on the infected area to kill the bacteria. Spit out the salt water after 30 seconds — do not swallow. Repeat this process 3 to 4 times per day. You can use this treatment in combination with any antibiotics your dentist prescribes. Depending where you live, it might possible to buy antibacterial dental gels at your local drugstore. These gels help to... 

Now, please write a short abstract for it in Chinese. Abstract:
确认征兆。 用盐水漱口。 用牙用凝胶缓解疼痛和炎症。 缓解疼痛。 用冰袋。 联系牙医。