Describe the dorsal surface of the tongue?
Rough and irregular
Describe the ventral surface of the tongue?
It comprises the hard and soft palate?
Hard palate arises from the fusion of?
Inferior nasal septum and palatine process
Non union of the inferior nasal septum and palatine processes?
Non union of the rest of the palatine process?
Embryonic origin of vestibular lamina?
First sign of tooth development?
First sign of enamel organ formation?
Enamel organ is also known as?
Stage where enamel and dentin is deposited?
Describe the striae of retzius in the incisal tips and cuspal areas?
Decribe the striae of retzius in proximal areas?
Significance of the bands of hunter schregger?
Prevents enamel cracking during chewing
Enamel lamellae serves as?
Avenues for dental caries
Enamel tufts causes?
Lateral spread of caries
Structure best seen in cross section?
Enamel spindles causes?
Hypersensitivity of DEJ
Organic part of the enamel?
Inorganic part of enamel left during decalcification?
Dentinal tubule with 3 or more branches?
Greater branching of the dentinal tubules
Significance of terminal branches of dentinal tubules?
Causes hypersensitivity to the DEJ
Content of dead tracts?
What can cause dead tracts? (5)
- Odontoblastic crowding
It provides the vitality of the tooth?
Makes the zone of weil fibrous in appearance?
Remaks fibers (unmyelinated)
What is formed slower? Acellular or cellular cementum?
2 types of acellular cementum?
- Acellular afibrillar
- Acellular extrinsic fiber
Remnants of HERS?
Epithelial rest of Malassez
Persistent epithelial rest of Malassez may cause?