" the nest ditch is closed " in Hangzhou 400 000 students did not suffer from the decayed tooth in 16

" the nest ditch is closed " in Hangzhou 400,000 students did not suffer from the decayed tooth in 16
" the nest ditch is closed " in Hangzhou 400,000 students did not suffer from the decayed tooth in 16
The intersection of www.chinanews.com and the intersection of Hangzhou and September 20 cable (scud Li construct water spring) This morning, more than ten top experts inside the province of stomatology department of Hangzhou in Zhejiang Province both appear on canal square, it is the 22nd " The whole country loves tooth day " The activity offers consultation, Hangzhou will take the lead in pursuing free teeth in the primary school, Junior One student from this year " the nest ditch is closed " . Have already made 400,000 students in middle and primary schools of the right age not suffer from the decayed tooth disease over the past 16 years. The nest ditch means the backtooth grips and shuts the sunken position in the surface full of bumps and holes, the tooth merges the defect that the obstacle forms sharp in the development course of tooth. The nest ditch of each tooth is with different shapes, the depth differs, is a suitable place that the bacterium grow to breed. The expert claims the bacterium utilizes carbohydrate (carbohydrate) in food in this calm and obscure environment Multiply and grow, and produce the acid material in supersession and corrode teeth, form decayed tooth and hole, so, the danger that the deep nest ditch suffers from decayed tooth is relatively high. Meanwhile, the nest ditch bottom is close to the dentine circle of glaze or lie in dentine, once suffer from decayed tooth, destruction can form decayed tooth and hole with little appearance and with deep and big reality to the deep department rapid development, call this kind of decayed tooth ditch decayed tooth of nest on medical science. Decayed tooth is bad can also involve the dental pulp (nerve of tooth) finally ,Cause the dental pulp inflammation or sharp inflammation of root, such as not treating and resulting in losing the tooth in time. The backtooth chews the function bearing the main one, once lose, chewing the function will drop greatly, influence nutrition to take in and grow. At the activity scene, come from director Professor Wang HuiMing of oral cavity of Zhejiang Province, instructing center Professor Zhao ShiFang of the oral hygiene in the province, more than ten experts such as Vice President of province stomatological hospital Xie Zhi hard professor, Zhejiang an hospital oral cavity head of the department Gu XinHua, flat scud of head of the department of two hospitals of oral cavities of Zhejiang, citizens and students " Besiege " Must make the clothing soaked with sweat to carry. Officers claim, municipal or district second government in Hangzhou will allocate financial funds of 2 million yuan in 2010, confirm that closes the nest ditch to the mainly urban primary school, one year of junior middle school and 45,000 student's teeth of new student of Hangzhou, have already carried on more than 20,000 people at present. This funds, from this year, want, allocate every year, every the intersection of district and according to the intersection of school and actual number and expenses standard (the intersection of nest and ditch close, charge 10 yuan by each tooth now) that price department authorize, student of site, related funds Raise and set aside. Indicate, Hangzhou began to carry on the ditch of tooth nest to the students of the right age closely in 1995 according to large sample's investigation, it is one of the first batch of cities that carries on this project in China. At present, project this make this reach 100% replying the building rate by area and the intersection of school and student, the student closing rate of the nest ditch reaches 90%, teeth protect the proportion in good condition and reach 80% after closing, reach the advanced stage of the whole country. A group of data announced today reveal: Hangzhou was in 1994, carried on big sample census to 108 schools, students suffered from decayed tooth rate and was up to 54.27%, each student has 1.46 decayed teeth on average, the corresponding investigation to 164 middle and primary schools show in 2008, the students in middle and primary schools suffer from decayed tooth rate and drop to 19.44%, there are 0.42 teeth that each student suffered from decayed tooth on average, reduce a decayed tooth averagely each person. Hangzhou insisted in 16 the nest ditch closes 1 million teeth of Damien, had already made 400,000 students in middle and primary schools of the right age not suffer from the decayed tooth disease at least.


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