Tooth Wear

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Questions and Answers

A cumulative BEWE score of 18 for a patient means:

There is a severe amount of tooth wear evident
There is a moderate amount of tooth wear evident
There is more than 50% tooth wear in each sextant (correct)
There is less than 50% tooth wear in all sextants

Clinical signs of dental erosion include (select 2):

Labial surface lesions on the maxillary incisors (correct)
Scooped out lesions on the occlusal surfaces of the first permanent molars (correct)
Smooth, flat facets on the occlusal surfaces of posterior teeth
Early lesions on the mesial and distal surfaces of first permanent molars

Dental abrasion is tooth wear resulting from

Frequent exposure to objects/factors other than teeth or acids (correct)
Frequent exposure to acids
Erosion of the buccal and labial surfaces
A combination of occlusal forces at the cervical region

Dentine hypersensitivity symptoms:

May be a sign of active tooth wear if dentine is exposed (B) Signup and view all the answers

In preventing dental erosion, dietary advice should include:

Limiting acid consumption to three or less times per day (C) Signup and view all the answers

In the BEWE, a sextant score of 2 is given for:

A sextant where there is less than 50% loss of tooth structure (A) Signup and view all the answers

In the BEWE, a sextant score of 3 is given for:

A sextant where there is more than 50% loss of tooth structure (D) Signup and view all the answers

Select the incorrect statement:

Tooth wear is reversible (C) Signup and view all the answers

The BEWE acronym stands for;

Basic Erosive Wear Examination (C) Signup and view all the answers

The critical pH of enamel is

5.5 (A) Signup and view all the answers

The critical pH of enamel

Reduces when fluoride is incorporated in the structure of enamel (B) Signup and view all the answers

The main purpose of the BEWE tool is

To screen for signs of tooth wear (C) Signup and view all the answers

The prevalence of tooth wear is significantly associated with agE. This means that:

As people age, they are more likely to experience tooth wear (A) Signup and view all the answers

Tooth wear where the dominant aietioloical factor is tooth-tooth contact is called:

Dental attrition (C) Signup and view all the answers

When assessing a patients’ risk of tooth wear, it is essential to consider:

The rate and severity of wear compared to the patients’ age (D) Signup and view all the answers

When dentine is exposed, the minimum BEWE score for the sextant would be:

2 (D) Signup and view all the answers

Where there are no signs of tooth wear in a sextant, the BEWE score would be:

0 (C) Signup and view all the answers

Which salivary factor enhances the protection of the teeth against tooth wear:

Buffering action of stimulated saliva that neutralises oral acids (A) Signup and view all the answers

Which salivary factors can pre-dispose a patient to tooth wear?

Reduced quantity and quality of saliva limiting protective potential (C) Signup and view all the answers

Which statement best describes dental erosion:

Dental erosion is the irreversible loss of hard tissue due to chemical process of acid dissolution (B) Signup and view all the answers

Flashcards

BEWE score of 18

More than 50% tooth wear in each sextant.

Dental erosion

Irreversible loss of hard tissue due to chemical process of acid dissolution.