Developmental Anomalies of Teeth

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What is the etiology of Dentitia Tarda?

Early loss of deciduous teeth

Cretinism (correct)

Hereditary

Over-secretion of thyroid and thymus glands

What is the result of early loss of deciduous teeth?

Impaction of permanent teeth (correct)

Delayed eruption of permanent teeth

Malposition of permanent teeth

Premature eruption of permanent teeth

What is the term for the failure of one or more permanent teeth to develop?

Anodontia (correct)

Hypergonadism

Cleidocranial dysostosis

Ankylosis

What is the term for the persistence of entire or groups of deciduous dentition?

Persistence of deciduous teeth Signup and view all the answers

What is the etiology of premature eruption of deciduous teeth?

Over-secretion of thyroid and thymus glands Signup and view all the answers

What is the term for a tooth whose eruption is prevented by adjacent teeth or bone?

Impacted tooth Signup and view all the answers

What is the classification of impacted maxillary cuspid where the impaction occurs in the alveolar process?

Class IV Signup and view all the answers

Which of the following anomalies in shape and form results in a single large tooth?

Fusion Signup and view all the answers

What is the term for an anomalous tubercle or cusp in the center of the occlusal surface of a premolar?

Talon's cusp Signup and view all the answers

What is the term for the characteristic notch-shaped deformity of the teeth seen in congenital syphilis?

Notched incisor Signup and view all the answers

What is the term for supernumerary roots, which are most common in mandibular canines, premolars, and molars?

Accessory roots Signup and view all the answers

What is the term for the condition where one or more teeth are missing?

Anodontia Signup and view all the answers

What is the most common tooth to be missing in the permanent dentition?

Third molar Signup and view all the answers

What is the term for the development of extra teeth beyond the normal number?

Supernumerary teeth Signup and view all the answers

What is the term for the development of teeth that are smaller than normal?

Microdontia Signup and view all the answers

What is the complication that can arise from supernumerary teeth?

All of the above Signup and view all the answers

What is the etiology of supernumerary teeth?