How many human teeth

The incisors are the teeth in the center of your smile, with four on the top arch and four on the bottom arch. Incisors are the first baby teeth to erupt and fall out, as well as the first permanent teeth to erupt. Primary incisors erupt around the age of 6 months and fall out around age 6 to make room for the secondary incisors to erupt. They have a flat, wide appearance and function in the same way a chisel would. Their sharp edges are used for biting food into smaller pieces.

Working away from the center of your smile, the cuspids come next. There are two cuspids on the top arch and two cuspids on the bottom arch. Primary cuspids generally erupt between the age of months, starting with the upper arch. However, secondary cuspids begin to erupt around the age of 9, but start with the lower arch. The cuspids are also known as canine teeth because of their pointy appearance.

This pointy, sharp edge allows the cuspids to tear up food. Next comes the bicuspids, or premolars. There are eight bicuspids, four bicuspids on the top arch and four on the bottom arch. Ready to narrow down your search?

The sugars in soda can lead to cavities and poor dental health. Here's why it happens and how you can prevent it. Health Conditions Discover Plan Connect. How many teeth do babies have? How many teeth do adults have? Share on Pinterest. Take care of your teeth. Read this next. Teething and Vomiting: Is This Normal? Medically reviewed by Karen Gill, M. The Best Electric Toothbrushes. The 5 Best Water Flossers to Keep Things Fresh Here are our picks, tips for comfortable use, and how we went about choosing the best water flossers.

The pulp is where each tooth's blood supply and nerve endings are found. The blood supply is what keeps the teeth alive and healthy. The nerve endings send messages to the brain, such as whether you're eating something hot or cold, or if you have a decayed or damaged tooth. The pulp goes all the way into the root of the tooth, which is hidden under your gum.

Cementum covers the root of the tooth, and periodontal fibres connect the tooth to the jawbone. Now, read about how to look after your teeth. Read the answers to the most common dental health problems. Page last reviewed: 31 August Next review due: 31 August Teeth facts and figures - Healthy body Secondary navigation Body Bones Food for healthy bones Keep bones healthy over 65 Are you at risk of falling? Foot problems and the podiatrist Looking after your feet with diabetes How to stop smelly feet.

Lower your cholesterol Keeping your kidneys healthy Top 10 healthy heart tips. Keloid scars Dangers of black henna. How to sit correctly Posture tips for laptop users How to prevent germs from spreading How to wash your hands Is my child too ill for school?