Dental Eruptions and Anomalies Quiz

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What defines delayed eruption of a tooth?

Delayed eruption occurs if the dental root is fully formed.

Eruption is delayed when emergence is not visible after 12 months past the expected time. (correct)

Emergence occurs before 12 months of the normal range.

Eruption can be considered delayed if it happens after the age of 5.

What is the typical age range for tooth emergence?

It varies according to gender and race. (correct)

From birth until 3 years of age.

From 6 months to 12 years of age.

It is consistent across all children regardless of background.

Which of the following could potentially delay tooth eruption?

Normal nutrient intake.

Early childhood oral hygiene practices.

Local or systemic conditions. (correct)

Regular dental check-ups.

At what point in root development does tooth emergence typically occur?

When the root is approximately two-thirds its final length. Signup and view all the answers

Which alteration is primarily categorized under developmental alterations of teeth?

Developmental alterations in the size of teeth. Signup and view all the answers

What are natal teeth?

Teeth that are present at birth Signup and view all the answers

What is the primary indication for removing prematurely erupted teeth?

If they pose a risk for aspiration Signup and view all the answers

Which teeth are most commonly seen as natal teeth?

Mandibular incisors Signup and view all the answers

What distinguishes impaction from embedding in dental terms?

Impaction is when teeth are obstructed by a physical barrier Signup and view all the answers

Which teeth are most frequently impacted in the permanent dentition?

Mandibular third molars Signup and view all the answers

What role does ankylosis play in dental impaction?

It contributes to the pathogenesis of impaction Signup and view all the answers

Which of the following best describes embedded teeth?

Teeth that lack eruptive force Signup and view all the answers

When is the use of radiographs most beneficial in managing natal and neonatal teeth?

To distinguish between deciduous and supernumerary teeth Signup and view all the answers

What can result from ankylosed teeth remaining in position?

Deficiency of the alveolar ridge Signup and view all the answers

Why do ankylosed teeth fail to respond to orthodontic forces?

They are fused to adjacent bone Signup and view all the answers

What is the recommended therapy for ankylosis of primary molars when a permanent successor is present?

Extraction at the proper time to allow spontaneous eruption Signup and view all the answers

In severe cases of ankylosis in primary teeth, what is considered the best treatment method?

Extraction and space maintenance Signup and view all the answers

What may a clinician attempt to do with luxated permanent teeth affected by ankylosis?

Use extraction forceps to break ankylosis Signup and view all the answers

What is a potential outcome hoped for after a luxation attempt on ankylosed teeth?

Formation of a new fibrous ligament Signup and view all the answers

What type of bite issues may occur with ankylosed teeth?

Lateral open bite and crossbite Signup and view all the answers

What is a common treatment for primary molars with ankylosis that do not have an underlying permanent tooth?

Prosthetic buildup to augment occlusal height Signup and view all the answers

What does hypodontia refer to in terms of dental development?

Lack of development of one or more teeth Signup and view all the answers

Which condition describes the development of supernumerary teeth?

Hyperdontia Signup and view all the answers

How many teeth must be absent for a diagnosis of oligodontia?

Six or more excluding third molars Signup and view all the answers

Which of the following is NOT a developmental alteration related to tooth structure?

Macrodontia Signup and view all the answers

What condition is characterized by the total lack of tooth development?

Anodontia Signup and view all the answers

Which dental condition is specifically associated with a genetic influence on tooth development?

Hypodontia Signup and view all the answers

What condition results in the absence of tooth development in patients with non-syndromic cleft lip or palate?

Hypodontia Signup and view all the answers

Which alteration of teeth is characterized by the fusion of two or more teeth?

Fusion Signup and view all the answers

What is the primary management approach for a patient with a single missing tooth due to hypodontia?

No treatment may be required. Signup and view all the answers

What is the most commonly observed site for single-tooth hyperdontia?

Maxillary incisor region Signup and view all the answers

Which of the following types of supernumerary teeth is located in the maxillary anterior region?

Mesiodens Signup and view all the answers

What percentage of supernumerary teeth in the anterior maxilla typically do not erupt?

75% Signup and view all the answers

Which condition is positively correlated with hyperdontia?

Macrodontia Signup and view all the answers

What typically describes the characteristics of supplemental supernumerary teeth?

Normal size and normal shape Signup and view all the answers

In which dental region do non-syndromic multiple supernumerary teeth most frequently occur?

Mandibular premolar region Signup and view all the answers

What term describes the abnormal positioning of normal teeth, such as a canine positioned between two premolars?

Dental transposition Signup and view all the answers

What is the most common dental issue associated with the presence of supernumerary teeth?

Delayed eruption of normal teeth Signup and view all the answers

What should be the standard treatment for supernumerary teeth during early mixed dentition?

Removal of the accessory tooth Signup and view all the answers

What is the consequence of late therapy for supernumerary teeth?

Displacement of teeth and malocclusion Signup and view all the answers

Which area of the mouth tends to experience more significant complications due to supernumerary teeth?

Anterior regions Signup and view all the answers

What should be monitored in patients diagnosed with supernumerary teeth?

Long-term tooth development Signup and view all the answers

What is a common misconception regarding the eruption of unerupted deciduous teeth?

Most will erupt spontaneously Signup and view all the answers

What outcome is likely if a supernumerary tooth is removed early?

Eruption of the adjacent normal teeth Signup and view all the answers

What might predeciduous supernumerary teeth represent in some natal and neonatal cases?

Prematurely erupted deciduous teeth Signup and view all the answers