left lower first secondary premolar tooth

ADA tooth 21

A lower first secondary premolar tooth that is in the left side of the lower jaw region.

種類 Organ
親構造 lateral structure
ラテン語名 ADA tooth 21

よくある質問

What is the left lower first secondary premolar tooth?
The left lower first secondary premolar is a permanent tooth that erupts around 10-12 years of age, replacing the primary first molar with a single cusp and typically single root.
Where is the left lower first secondary premolar tooth located?
It is located in the mandible on the left side, distal to the canine in the premolar region of the lower jaw.
What is the function of the left lower first secondary premolar tooth?
It functions to tear and grind food during mastication, providing transitional chewing function between canines and molars.
What is the left lower first secondary premolar tooth connected to?
It is attached to the mandible by a periodontal ligament and root, and occludes with the upper first and second premolars.
Why is the left lower first secondary premolar tooth clinically important?
It is commonly extracted for orthodontic space management, important for balanced posterior occlusion, and is subject to caries and periodontal disease throughout life.

関連構造

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Educational Disclaimer

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.