As any parent will tell you, teething is a painful and uncomfortable process for children. Teething is a term that refers to the sequential appearance of infant teeth. As these teeth emerge from the gums, they cause pain and swelling, which can be very upsetting for kids. The teeth generally appear in a specific order, although genetics play a part in varying the times. The process beings around the age of 6 months with the appearance of the lower central incisors, followed two months later by the upper central incisors. The upper and lower lateral incisors then appear at approximately the same time, which is around ten months. At just over one year, the molars appear. The canines tend to appear around 18 months, and final the second molars appear somewhere between 2 and 3 years of age.