Teeth | Gastrointestinal system physiology | NCLEX-RN | Khan Academy
khanacademymedicine・7 minutes read
The text discusses the anatomy of the jaw and teeth, highlighting the different types of teeth and the common issues associated with wisdom teeth eruption. It emphasizes the importance of removing wisdom teeth to prevent complications and maintain oral health, typically recommended between the ages of 17 to 25.
Insights
- Wisdom teeth, also known as third molars, often lead to problems like inflammation or infection due to insufficient space for eruption, prompting their removal to avoid complications and preserve oral health, usually performed between ages 17 to 25.
- Only a minority of individuals, 28% of the population, possess the ideal teeth alignment depicted in textbooks, as many require the extraction of wisdom teeth to accommodate limited space for eruption, highlighting the prevalence of dental discrepancies in society.
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Recent questions
What are the names of the upper and lower jaws?
Maxilla and mandible.
How many types of teeth are there and what are their functions?
Five types: cutting, gripping, and grinding.
What percentage of the population has the textbook image of teeth alignment?
28%.
What are wisdom teeth and why are they commonly removed?
Third molars causing issues due to lack of space.
At what age is the removal of wisdom teeth typically recommended?
Between 17 to 25 years old.
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Summary
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Understanding Teeth: Anatomy, Alignment, and Wisdom
- The lower jaw is also known as the mandible, with a left and right side, and the upper jaw is called the maxilla.
- Teeth are symmetric, with corresponding pairs in the upper and lower jaws.
- Different types of teeth include central incisors (4 in total, used for cutting), lateral incisors (4 in total, also for cutting), canines (4 in total, used for gripping), premolars (8 in total, for grinding), and molars (3 on each side, totaling 12, also for grinding).
- Only 28% of the population has the textbook image of teeth alignment, with many people having their wisdom teeth removed due to lack of space for eruption.
- Wisdom teeth, or third molars, commonly cause issues due to lack of space for eruption, leading to inflammation or infection.
- Removal of wisdom teeth is recommended to prevent complications and maintain oral health, typically done between the ages of 17 to 25.
