We are independent & ad-supported. We may earn a commission for purchases made through our links.
Advertiser Disclosure
Our website is an independent, advertising-supported platform. We provide our content free of charge to our readers, and to keep it that way, we rely on revenue generated through advertisements and affiliate partnerships. This means that when you click on certain links on our site and make a purchase, we may earn a commission. Learn more.
How We Make Money
We sustain our operations through affiliate commissions and advertising. If you click on an affiliate link and make a purchase, we may receive a commission from the merchant at no additional cost to you. We also display advertisements on our website, which help generate revenue to support our work and keep our content free for readers. Our editorial team operates independently of our advertising and affiliate partnerships to ensure that our content remains unbiased and focused on providing you with the best information and recommendations based on thorough research and honest evaluations. To remain transparent, we’ve provided a list of our current affiliate partners here.

What are Posterior Teeth?

By Laura Evans
Updated Mar 03, 2024
Our promise to you
The Health Board is dedicated to creating trustworthy, high-quality content that always prioritizes transparency, integrity, and inclusivity above all else. Our ensure that our content creation and review process includes rigorous fact-checking, evidence-based, and continual updates to ensure accuracy and reliability.

Our Promise to you

Founded in 2002, our company has been a trusted resource for readers seeking informative and engaging content. Our dedication to quality remains unwavering—and will never change. We follow a strict editorial policy, ensuring that our content is authored by highly qualified professionals and edited by subject matter experts. This guarantees that everything we publish is objective, accurate, and trustworthy.

Over the years, we've refined our approach to cover a wide range of topics, providing readers with reliable and practical advice to enhance their knowledge and skills. That's why millions of readers turn to us each year. Join us in celebrating the joy of learning, guided by standards you can trust.

Editorial Standards

At The Health Board, we are committed to creating content that you can trust. Our editorial process is designed to ensure that every piece of content we publish is accurate, reliable, and informative.

Our team of experienced writers and editors follows a strict set of guidelines to ensure the highest quality content. We conduct thorough research, fact-check all information, and rely on credible sources to back up our claims. Our content is reviewed by subject-matter experts to ensure accuracy and clarity.

We believe in transparency and maintain editorial independence from our advertisers. Our team does not receive direct compensation from advertisers, allowing us to create unbiased content that prioritizes your interests.

A tooth is a hard, calcified, bone-like structure set in the jaw. Teeth are used for biting and chewing as well as forming words. Posterior teeth are the teeth set on both sides of the back of the jaws. These teeth are called molars and bicuspids.

Teeth can be divided into two parts and three layers. The parts of the tooth are the crown, or the top of the tooth that appears above the gum line, and the root, or the part of the tooth that holds the tooth in place in the jawbone. A tooth has a hard layer on the outside to help protect the tooth from being damaged called enamel. Dentin is located below the enamel and serves as a secondary level of protection. Pulp is the soft, interior part of a tooth that includes those nerve endings that can cause pain and the tooth's blood supply.

Human beings usually have two sets of teeth — deciduous teeth and permanent teeth. Deciduous teeth are sometimes called baby teeth or primary teeth. Permanent teeth can be referred to as adult teeth.

Deciduous teeth start to grow when a baby is about six months old until the child is about two and a half years old. By the age of two and a half, the child should have 0 teeth. Between the ages of six and 12, children start to lose deciduous teeth as their permanent teeth start to push towards the surface of the gums.

Permanent teeth are called permanent because most people don't have a third tooth to replace a permanent tooth in the event that a permanent tooth is lost or damaged. People usually have a total of 32 teeth in their mouths. Most people grow their last permanent teeth between the ages of 18 and 25.

Adult posterior teeth include three molars and two bicuspids on the upper and lower jaws and on both sides of the jaws for a total of 20 teeth. The three molars going from the outside of the jaw towards the inside are called the third molar or the wisdom tooth, the second molar and the first molar. Continuing moving inwards on the jaw, the first molar is followed by second bicuspid and the second bicuspid is next to the first bicuspid, completing the posterior teeth.

The mouth has anterior teeth in addition to posterior teeth. Anterior teeth include the cuspid, the lateral incisor, and the central incisor. The purpose of anterior teeth is to cut or tear food while the posterior teeth are used to grind and chew a meal.

The Health Board is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.
Discussion Comments
By Qohe1et — On Mar 03, 2011


I think that fixing minor problems like this can be an unnecessary risk that can simply cause more long-term damage to the teeth and the gums. Shifting teeth can be a delicate process and requires time and money, as well as a solid understanding of what you are getting yourself into.

By hangugeo112 — On Mar 02, 2011

If your posterior teeth are out of line, it can cause a shift in your facial structure. These teeth are the pillars of the central facial structure, and problems in them can shift the cheekbones and cheek appearance. Making sure they are straight and functioning will have a positive effect on your appearance.

By arod2b42 — On Mar 01, 2011

The back teeth are the "herbivore" teeth, since they are meant for crushing leaves and fruits, whereas the front teeth resemble more carnivorous teeth, such as the canines. These shred meats and make them chewable for the back teeth. Animals have different teeth to help them digest their diets most appropriately.

The Health Board, in your inbox

Our latest articles, guides, and more, delivered daily.

The Health Board, in your inbox

Our latest articles, guides, and more, delivered daily.