Dental Embryology, Histology and Anatomy Chap 6 Tooth Development and Eruption Flashcards
What is odontogensis?
the process of tooth development
When does the initiation stage for odontogensis take place?
Between the sixth and seventh week of prenatal development
What process is happening during the initiation stage?
Induction
What is induction?
The active interaction between the embryologic tissue types
What is the second tooth development stage?
Bud Stage
When does the bud stage take place?
At the eighth week of prenatal development
What process takes places during the bud stage?
Proliferation, where the dental placodes develop into tooth buds
What is the third stage of odontogenesis?
Cap Stage
When does the Cap stage take place?
During the ninth and tenth week of prenatal development
What processes take place during the Cap stage?
Proliferation, differentiation, morphogenesis
What is the fourth stage of odontogenesis?
Bell Stage
When does the Bell stage take place?
Between the eleventh and twelfth weeks of prenatal development
What processes take place during the Bell Stage?
Proliferation, differentiation*, morphogenesis
What are the four different cell types that are found within the enamel organ at the Bell Stage?
Outer enamel epithelium
stratum intermedium
stellate reticulum
inner enamel epithelium
What is the Fifth stage of odontogensis?
The Apposition stage
