It is usually normal for a baby boy to have 8 teeth at the age of one year and five months. Children grow teeth have a certain order, time, location of the law, generally speaking is about 6 months to start erupting the first milk teeth, is the middle of the jaw teeth, and is the left and right side at the same time symmetrical eruption, the middle of the jaw teeth after the eruption of the incisors is often then eruption of the upper jaw middle of the incisor of the milk teeth, so a year old and 5 months to grow 8 teeth is normal, on the bottom of the four incisors each. Later, the third or fourth baby tooth may erupt one after another. Generally speaking, by the age of two and a half years, 20 baby teeth have erupted completely, and there are certain rules for the eruption time, position and order of baby teeth, and the order is especially important. Teething usually starts at around 6 months of age, and some children start teething at 10 months or even later, which is also relatively common. It is recommended that you should develop good oral hygiene habits, keep your mouth clean, which can effectively reduce the occurrence of caries and periodontal disease, and regularly go to the regular hospital stomatology department to check your teeth.