Digestive Flashcards
1
Q
hardest substance in the body
●96 to 98 % calcium hydroxyapatite
●Bluish white & nearly transparen
A
Enamel
2
Q
Enamel is produced by
A
Ameloblasts
3
Q
Dental enamel is formed by matrix-mediated biomineralization process called
A
amelogenesis [secretory & maturation]
4
Q
enamel consists of ______ and Around each rod is a thin clear layer of organic matrix called
A
Enamel rods or prisms with interprismatic regions
Ename sheath or prismatic rod sheath
5
Q
Produced by neural-crest derived Odontoblasts of the adjacent mesenchyme
●Semi-translucent ,slightly yellow in color
●Calcified material that forms most of tooth substance
A
Dentin
6
Q
20% inorganic,80% organic matter
●Organic portion is 92% collagen
A
False. Interchanged
