Thin, leaf-like structure that extends from enamel surface towards DEJ
Sometimes, they penetrate towards DEJ
They consist of organic material but with a little amount of mineral content.
Types of enamel lamellae:
Type A is restricted to enamel
Type B and C are restricted to dentine
Clinical Significance:
Sometimes, they penetrate towards DEJ
They consist of organic material but with a little amount of mineral content.
Types of enamel lamellae:
- Type A: Lamelle composed of poorly calcified rod segments
- Type B: Lamelle consists of degenerated cells
- Type C: Lamelle arising in erupted teeth where cracks are filled with organic material, originating from saliva
Type A is restricted to enamel
Type B and C are restricted to dentine
Clinical Significance:
- It is a site of weakness in a tooth.
- It forms a road of entry for bacteria to initiate caries.
Written By Anisha Valli
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