Non-Carious Lesions in Dentistry

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What is the primary focus of non-carious lesions affecting the hard tooth structure?

Tooth development and eruption
Caries prevention
Tooth wear and esthetic problems (correct)
Tooth restoration and repair

What is the result of ameloblast damage in enamel hypoplasia?

Complete lack of enamel formation
Hypomineralized enamel with increased sensitivity
Over-mineralization of enamel
Hypoplastic enamel with normal hardness (correct)

What is the characteristic of hypomineralized enamel in enamel hypoplasia?

Opaque, chalky white softened enamel (correct)
Thick, yellowish enamel with increased sensitivity
Pitted, thin enamel of normal hardness
Transparent, glass-like enamel

What is the typical presentation of amelogenesis imperfecta?

Thin, yellowish teeth or granular pitted stained thin enamel (C) Signup and view all the answers

What is the primary issue in the clinical examination of the 4-5 year old patient with amelogenesis imperfecta?

Pain during brushing and hot and cold sensitivity (A) Signup and view all the answers

What type of non-carious lesions can be inherited?

Hereditary non-carious lesions (C) Signup and view all the answers

What is the primary objective of treatment for children with Dentinogenesis Imperfecta?

To preserve vitality, structure, and size of the dentition (C) Signup and view all the answers

What is the characteristic of the roots of teeth in Dentinogenesis Imperfecta?

Short and bulbous (A) Signup and view all the answers

What is the typical color of the dentin in Dentinogenesis Imperfecta?

Opalescent (C) Signup and view all the answers

What is the typical feature of the enamel in Dentinogenesis Imperfecta?

Yellow to brown and easily chipping (B) Signup and view all the answers

What is the typical feature of the pulp chamber and root canals in Dentinogenesis Imperfecta?

Partial or complete obliteration (C) Signup and view all the answers

What is the typical orthodontic problem associated with Hypodontia (Oligodontia)?

Deep overbite (D) Signup and view all the answers

What is the primary goal when treating traumatic injuries in immature permanent teeth?

To preserve pulpal vitality and ensure continuous root development (B) Signup and view all the answers

What is the main cause of intrinsic dental fluorosis?

Excessive fluoride intake (C) Signup and view all the answers

What is the most common type of tooth wear?

Attrition (B) Signup and view all the answers

What is the term for surface loss of dental hard tissues caused by factors other than caries or trauma?

Tooth wear (B) Signup and view all the answers

What is the primary cause of extrinsic tooth discoloration?

Food and drinks (D) Signup and view all the answers

What is the term for the sudden and unexpected injuries that may involve hard dental tissues and the pulp?

Traumatic injuries (C) Signup and view all the answers

What is the primary cause of abfraction?

Parafunction (bruxism, clenching, traumatic occlusion) (A) Signup and view all the answers

What is the common location of erosion on teeth?

Palatal surface (anterior) and buccal surface (posterior) (B) Signup and view all the answers

What is the term for the loss of tooth material by mechanical wear on contacting surfaces?

Attrition (C) Signup and view all the answers

What is the purpose of the Tooth Wear Index for Assessment of Risk?

To evaluate and follow-up risk factors (D) Signup and view all the answers

What is the treatment modality for abrasion?

Use a horizontal toothbrushing technique (D) Signup and view all the answers

What is the common shape of the lesion in abrasion?

Dish-shaped (C) Signup and view all the answers

What are the primary issues with non-carious lesions?

Tooth wear and esthetic problems are the primary concerns with non-carious lesions affecting the hard tooth structure.

What is enamel hypoplasia?

When ameloblasts are damaged during enamel formation, it results in hypoplastic enamel that is abnormally thin but retains its normal hardness.

What are the characteristics of hypomineralized enamel in enamel hypoplasia?

Hypomineralized enamel in enamel hypoplasia is characterized by opaque, chalky white enamel that is softer than normal.

What are the characteristics of amelogenesis imperfecta?

Amelogenesis imperfecta is a condition that presents with thin, yellowish teeth or granular, pitted, stained, thin enamel.