Exam 5: Developmental Disorders

The deformity seen here with a bend in root apices is characteristic of

This enlargement on the lateral neck of this patient has been present for months and is slowly increasing in size. It is painless and feels soft. Histologic examination shows this to be an epithelium-lined sac filled with clear, yellow fluid. It is a _____ cyst.

When counting the maxillary anterior teeth of this adolescent patient, it appears that five are present clinically, if the large tooth is counted as one. A radiographic image reveals that this large central tooth has two roots. This tooth demonstrates

For which condition would pulp vitality be nonvital?

When two or more teeth are joined by cementum, as shown in this picture, it is termed

The presence of Hutchinson incisors and mulberry molars would indicate the presence of which condition?

Nonerupted supernumerary teeth should be extracted because of which risk?

Which defines a disturbance of the maturation of the enamel matrix?

Impacted teeth cannot erupt because of

The supernumerary tooth in this illustration is

Regional odontodysplasia is

Odontogenic keratocysts are a clinical component of

What is the radiographic feature of a cyst found within soft tissue?

Clinically, the lingual thyroid nodule appears as a smooth nodular mass

Periapical radiographic examination reveals a well-defined unilocular radiolucency located in the midline of the hard palate. The diagnosis is _____ cyst.

The pseudocyst seen in this radiographic image is surrounded by salivary gland tissue. It is a(n) _____ bone cyst.

The lateral periodontal cyst occurs most often on the lateral aspect of a tooth root, which is usually the

The developmental anomaly seen in this radiographic image is

The cyst that appears in the bone in this radiographic image surrounds the fully formed crown of an unerupted premolar. The dental hygienist should refer to this as a(n) _____ cyst.

Trauma or change in the environment at the time of birth can eventually cause enamel hypoplasia in the child. Which cells are so sensitive and easily damaged to cause this defect?