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Tooth Formation Stages Quiz

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Questions and Answers

What is the correct sequence of formation of dentin types?

Tertiary dentin, secondary dentin, primary dentin, mantle dentin

Primary dentin, secondary dentin, mantle dentin, tertiary dentin

Mantle dentin, secondary dentin, primary dentin, tertiary dentin

Mantle dentin, primary dentin, secondary dentin, tertiary dentin (correct)

What is the function of Hertwig's epithelial root sheath (HERS)?

Produces cementum in the root of a tooth

Forms the periodontal ligament

Initiates the formation of enamel in the root of a tooth

Initiates the formation of dentin in the root of a tooth (correct)

What type of cementum forms first?

Mixed cementum

Acellular cementum (correct)

Reparative cementum

Cellular cementum

What is the function of the reduced enamel epithelium (REE)?

Mediates the initial epithelial attachment to the tooth Signup and view all the answers

What is the name of the epithelial layer that overlies a developing tooth?

Reduced enamel epithelium Signup and view all the answers

What is the name of the residual pieces of Hertwig's epithelial root sheath that do not completely disappear?

Epithelial cell rests of Malassez Signup and view all the answers

Which cell type is responsible for producing enamel in tooth development?

Ameloblasts Signup and view all the answers

Which part of the tooth produces dentin and pulp during development?

Dental papilla Signup and view all the answers

What do the HERS (Hertwig's epithelial root sheath) produce during tooth development?

PDL, cementum, and bone Signup and view all the answers

Which tissue type originates from ectomesenchyme during tooth formation?

Cementum Signup and view all the answers

What is the significance of the uvula in palatal development?

Its fusion marks the end of the palate fusion process Signup and view all the answers

How can incomplete merging or fusing during development affect facial structures?

It may cause cleft palates Signup and view all the answers

What is the primary function of the dental sac in tooth development?

Producing PDL and cementum Signup and view all the answers