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Table of Contents
Human teeth are the teeth (small, calcified, hard, whitish structures) found in the human mouth. They function by mechanically breaking down items of food by cutting and crushing them in preparation for swallowing and digestion.
See the fact file below for more information on the Teeth, or alternatively, you can download our 31-page Teeth worksheet pack to utilise within the classroom or home environment.
Key Facts & Information
ANATOMY
- The tooth is one of the body’s most unique and complex anatomical and histological structures.
- A tooth’s tissue composition is found only within the oral cavity and is limited to the dental structures.
- Each tooth is paired within the same jaw, while the opposing jaw has teeth from the same category.
- They are, however, organized by function rather than structure. They are located within the upper and lower alveolar bone of the maxilla and mandible, respectively, and are known as gomphosis joints.
- The teeth are the hardest substances in the human body.
- Besides being essential for chewing, teeth play an important role in speech.
- The components of teeth include enamel, dentin, pulp, cementum, and periodontal ligament.
- The hardest, white outer layer of the tooth is enamel. It is mostly made up of calcium phosphate, a hard mineral.
- Dentin is the layer that lies beneath the enamel. It is a hard tissue that contains microscopic tubes. When the enamel is damaged, heat and cold can enter the tooth through these pathways, causing sensitivity or pain.
- Pulp is the softer, living inner structure of teeth. Blood vessels and nerves are found in the pulp of the teeth.
- Cementum is a connective tissue layer that firmly bonds the roots of the teeth to the gums and jawbone.
- A periodontal ligament is a type of tissue that aids in the retention of teeth against the jaw.
- Primary (baby) teeth appear between the sixth and eighth weeks of pregnancy, and permanent teeth appear in the twentieth week. If teeth do not begin to develop at or near these times, they will likely not develop at all, resulting in hypodontia or anodontia.
- While each child is different, primary teeth usually appear between the ages of 6 and 12 months.
- By 33 months, the majority of the primary teeth will have emerged. Girls’ teeth usually appear before boys’.
- The following are the processes of the development of the teeth:
- The bud stage is the first stage of pregnancy that occurs during the eighth week. Dental epithelium cells form at this time from the dental lamina, a band of cells that forms inside the upper and lower jaws.
- These cells will eventually mature into the tooth germ, which contains all the soft tissues required for tooth development.
- During the cap stage, cells begin to form the tooth’s outer layer, resulting in the formation of a cap that sits on top of the rest of the tooth bud. This cap is known as the enamel organ because it will later form the cells that produce enamel.
- At the crown stage, the outer two layers of your teeth, enamel, and dentin, form. Ameloblast cells make enamel, while odontoblast cells make dentin.
- These cells are produced by the enamel epithelium and the dental papilla.
- The eruption stage occurs after the crown of the tooth has formed and the root has begun to develop. The tooth moves vertically toward the oral cavity in order to erupt into the correct position.
- To help the tooth move, some of the jawbone above it will resorb, and other connective tissues will break down.
- Teeth in the upper jaw typically erupt 1 to 2 months after teeth in the lower jaw. There are 20 primary teeth in total.
- Once the teeth have begun to appear, approximately one tooth erupts per month.
- Meanwhile, adult teeth are the second set of teeth in the mouth that replace the primary teeth.
- An adult mouth typically has 32 permanent teeth: 16 in the upper jaw and 16 in the lower jaw. A child’s primary teeth begin to fall out at around the age of six, and permanent teeth begin to emerge.
TOOTH CARE
- Brushing your teeth on a daily basis is one of the most basic methods of keeping them clean. Any dentist will tell you that brushing your teeth is the first thing you should do.
- Brushing one’s teeth at least twice a day is advised to prevent germ accumulation on the teeth.
TOOTH DEVELOPMENT
- The complex process through which teeth are shaped from embryonic cells, grow, and spring up into the mouth is known as tooth development or odontogenesis.
- All components of the tooth must develop throughout the appropriate stages of fetal development for human teeth to have a healthy oral environment.
- Tobacco avoidance is a great way to protect your teeth from serious harm and will protect you from oral cancer and other periodontal diseases. Alcohol is another substance that could cause harm to your teeth.
- Coffee, soda, and tea can all provide some nutrition to your mouth and body, but drinking too much can harm your teeth.
- These beverages contain ingredients that can cause tooth discoloration. Soda can weaken your teeth and cause dental issues such as tooth decay. Tea and coffee are the most common causes of tooth stains.
- Calcium is essential for teeth. You must consume nutritious foods such as milk, yogurt, cheese, orange juice, and other vitamin and calcium-rich foods.
- Vitamin excess or deficiency in your body can put you at risk of dental health problems. As a result, make sure you’re not eating too much or too little.
- It is also advisable to visit a dental professional once every six months to keep your dental health in check.
- You are examined during these visits in order to identify problems and keep you safe from them.
COMMON TOOTH DISEASES
- Tooth decay is one of the most common dental problems, and it occurs when plaque buildup on your teeth causes the enamel to deteriorate.
- Gingivitis is a type of gum disease that refers to inflammation of the gums. If left untreated, gingivitis can progress to periodontitis. It is one of the most common dental problems.
- Periodontitis is a type of gum disease that develops when gingivitis remains untreated and the inflammation continues to spread to the tissues and bone surrounding the teeth.
- Another common dental problem is dental erosion, in which loss of tooth enamel is caused by acidic substances coming into contact with the teeth.
- Bruxism is a condition characterized by tooth grinding or clenching. It is another of the most widely known types of dental problems that must be addressed right away.
Teeth Worksheets
This is a fantastic bundle that includes everything you need to know about Teeth across 31 in-depth pages. These are ready-to-use worksheets that are perfect for teaching students about Teeth which are small calcified structures found in the mouth that help break down items of food.
Complete List Of Included Worksheets
- Teeth Facts
- Anatomy of a Tooth
- Kinds of Teeth
- Growing Years
- Wisdom Teeth
- Pierre Fauchard
- Dental Care
- Dental Problems
- My Dental Chart
- Taking Care of My Teeth
- Toothy Power!
- Tooth Fairy
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Link will appear as Teeth Facts & Worksheets: https://kidskonnect.com - KidsKonnect, October 3, 2022
Use With Any Curriculum
These worksheets have been specifically designed for use with any international curriculum. You can use these worksheets as-is, or edit them using Google Slides to make them more specific to your own student ability levels and curriculum standards.