Exam 5: Development of Teeth

Tooth development relies on an interaction between the ectoderm and mesenchyme.

The root lengthens more rapidly than the tooth erupts.

During root development,the epithelial diaphragm __________.

The terminal bar apparatus is a series of hemidesmosomes.

The successional lamina is vital to the development of primary teeth.

A patient with oligodontia is congenitally missing more than six permanent teeth.

Enamel develops from __________ cells,whereas dentin develops from ___________ cells.

The periodontal ligament attaches which two surfaces?

Which tissue does not support the dentition?

Which cells of the enamel organ assist ameloblasts in forming enamel?

Primary teeth begin development at birth.

The stages of tooth development occur in which order?

List the five functional stages of change that each ameloblasts undergoes,in sequential order.

Which sequence reflects the correct order of appearance?

The primary cuticle is best defined as which of the following?

Compact bone is the most highly calcified tissue in the human body.

Which two cellular layers fuse to form the root sheath?

Bone,dentin,cementum and enamel grow through incremental deposition.

The term reduced enamel epithelium is best defined as which of the following?

Predentin calcifies to form dentin within ____ hours.