Dental decay, also known as dental caries, begins first inside the tooth. A white spot appears on the enamel where the tooth has started to weaken inside. At this stage, the tooth can repair the weakened area with the help of fluoride and minerals in saliva.
Beijing, also Peking, is the capital of the People's Republic of China and one of the most populous cities in the world. Its population in 2013 was 21,150,000. The city proper is the 3rd largest in the world.
Beijing: Annual Weather Averages. July is the hottest month in Beijing with an average temperature of 27Â°C (81Â°F) and the coldest is January at -4Â°C (25Â°F) with the most daily sunshine hours at 12 in June. The wettest month is August with an average of 182mm of rain. Average Temperature: Beijing. Loading weather data.