Exam 5: Developmental Disorders

Static bone and simple bone cavities:

Follicular cysts occur when:

Which of the following presents as a small radiopaque sphere, commonly mistaken for calculus?

Tetracycline chelates calcium ions and becomes incorporated into all of the following mineralizing tissues EXCEPT:

Which of the following is the most common supernumerary tooth?

Concrescence is when teeth with close root approximation become bound together by:

Which of the following occurs when a single tooth bud attempts to divide into two teeth?

The two lateral palatine processes or shelves elevate over the tongue and fuse to form the secondary palate at weeks:

A well-defined unilocular radiolucency around the crown of an unerupted tooth within bone is most likely a(n):

Which of the following cysts can be seen in the gingiva of newborns at or shortly after birth, or in adults?

All of the following statements about cysts are true EXCEPT:

A nodule of ectopic thyroid tissue at the foramen caecum is known as:

Bifid uvula is often an indicator to investigate for which of the following?

There are six paired pharyngeal or branchial arches. The mandibular arch gives rise to all the following EXCEPT the:

Which of the following structures in the embryo separates the primitive gut from the oral cavity?

Nasolabial cysts are:

Reduced enamel epithelium protects the enamel surface:

Enamel hypoplasia of one or two permanent teeth, caused by localized disturbance of amelogenesis, is referred to as

An extra cusp on the lingual surface of an anterior tooth is referred to as a talon cusp and is typically:

All of the following statements about erythroblastosis fetalis are true EXCEPT: