Friday, May 4, 2007

Key Terms in Oral System (PART 2)

Crown : Part ofthe tooth projecting above the jawline

Root : Part of the tooth enbedded in the jaw bone

Enamle : Glossy, white outer covering of a teerh

Dentin : Inner bony layer of the crown of the tooth

Cementum : Bony material surrounding the root of the tooth. Latin caementum, quarry stone

Periodontal ligament : Fibrous material that connects the cementum to the jaw

Pulp : Connective tissue, blood vessels, and nerves that fill the center of teeth

Incisors(I) : First and second tooth next to the median of the jawline

Canine(C) : Third tooth from the median of the jawline with a cusp: cuspid, eyetooth

Premolar(PM) : Fourth and fifth tooth from the median of jawline with two cusps

Molars(M) : Any of the three teeth at the back of mouth furthest from the median of the jawline

Wisdom teeth : Molar furthest from the median of the jawline; thurd molar

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