growth period occurs in there stages (bud stage)

what are the three stages growth period occur?

Bud stage, Cap stage, Bell stage

what is the 1st stage of tooth formation?

Bud stage

what is another word for Bud stage?

Initiation

During the Bud stage what is formed?

Dental lamina form and is thickened 

During the bud stage starts forming _____ of teeth

enamel

the Bud stage produces 10 enlargements in each arch = ___ primary teeth

20

Tooth development during bud stage

3 elements of tooth germ- an umbrella-shaped bud at the tip of dental lamina

1. Enamel Organ

2. Dental Papilla 

3. Dental Sac

what is the first part of tooth germ to form

enamel organ (ectoderm)

the enamel organ comes from

ectodermal embryonic layer

what does the enamel organ form?

enamel

umbrella-shaped group of cells

enamel organ

dental papilla forms….

dentin and pulp

what is the dental papilla surrounded by 

part of dental sac

what is the dental papilla formed from?

mesenchyme or mesoderm embryonic layer

what does the dental sac form?

cementum, PDL and some alveolar bone (lamina dura)

what does the dental sac surround

part of dental papilla

where does the dental sac form from?

mesoderm embryonic layer