安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- Human tooth - Wikipedia
The roots of teeth are embedded in the maxilla (upper jaw) or the mandible (lower jaw) and are covered by gums Teeth are made of multiple tissues of varying density and hardness Humans, like most other mammals, are diphyodont, meaning that they develop two sets of teeth
- Teeth: Anatomy, Types, Function Care - Cleveland Clinic
Teeth Your teeth are part of your digestive system They break down foods by crushing or cutting them before you swallow Most humans have 32 teeth, although some have more and some have fewer Enamel (the protective outer layer of your teeth) is the hardest substance in the human body
- Tooth | Definition, Anatomy, Facts | Britannica
Tooth, any of the hard, resistant structures occurring on the jaws and in or around the mouth and pharynx areas of vertebrates Teeth are used for catching and masticating food, for defense, and for other specialized purposes Learn more about teeth in this article
- 5 Seconds of Summer ‒ Teeth (Lyrics) - YouTube
5 Seconds of Summer ‒ Teeth (Lyrics) Spotify: http: taz lnk to spotifyID Instagram: https: instagram com taznetwork» Get Teeth by 5SOS: http: smarturl
- Tooth anatomy: Structure, parts, types and functions | Kenhub
Typically, the teeth are divided into four quadrants within the mouth: horizontally between the upper and lower jaws and vertically along the midline of the face Learn about the types of teeth in a fast and efficient way using our interactive tooth identification quizzes and labeled diagrams
- Teeth Numbers Guide: Everything to Know About Your Teeth
In this teeth numbers guide, we will discuss everything you need to know about your teeth numbers and the differences between permanent (adult) and primary (child) teeth
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