Prosthodontics Anatomy

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Questions and Answers

What is one of the factors that affects the amount of displacement of tissue?

The amount of pressure applied (correct)

The patient's age

The moisture level of the mouth

The type of instrument used

What determines the amount of tissue displacement?

The amount of pressure applied and the nature of the mucosa (correct)

The type of anaesthesia used

The nature of the mucosa and the patient's age

The amount of pressure applied and the type of instrument used

What is not a factor that affects tissue displacement?

The type of instrument used (correct)

The patient's medical history

The amount of pressure applied

The nature of the mucosa

What characteristic of the mucosa affects tissue displacement?

Its thickness Signup and view all the answers

What two factors are responsible for tissue displacement?

The amount of pressure applied and the nature of the mucosa Signup and view all the answers

What is shown in the original mandibular cast?

Left residual ridge area Signup and view all the answers

What is outlined in the buccal shelf region?

Buccal shelf region Signup and view all the answers

What form is the left residual ridge area recorded in?

Anatomic form Signup and view all the answers

What is the location of the residual ridge area shown?

Left side of the mandible Signup and view all the answers

What is the Figure A showing?

Original mandibular cast Signup and view all the answers

What is enhanced when there is intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge?

Distal extension base Signup and view all the answers

What is the purpose of achieving intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge?

To enhance the distal extension base Signup and view all the answers

What is the result of increased intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge?

Enhanced distal extension base Signup and view all the answers

What is affected by the intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge?

Distal extension base Signup and view all the answers

What promotes the effectiveness of the distal extension base?

Intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge Signup and view all the answers

What is an effect of the direction and magnitude of the occlusal load on the removable partial denture?

It increases the load transferred to the abutments Signup and view all the answers

What is a consequence of the load transferred to the abutments?

Increased tissue displacement Signup and view all the answers

What happens to the occlusal load when it is transferred to the removable partial denture?

It is reduced and concentrated on the removable partial denture Signup and view all the answers

What is a factor that influences the direction of the occlusal load on the removable partial denture?

The shape of the surrounding teeth Signup and view all the answers

What is a result of the load transferred to the abutments?

Tissue displacement and possible damage Signup and view all the answers

What is the primary consideration when evaluating the residual ridge bone?

The direction of stresses it will be subjected to Signup and view all the answers

What is the relationship between the residual ridge bone and the direction of stresses?

The residual ridge bone is at an angle to the direction of stresses Signup and view all the answers

Why is it important to consider the positional relationship between the residual ridge bone and the direction of stresses?

To assess the bone's ability to withstand forces Signup and view all the answers

What is affected by the direction of stresses on the residual ridge bone?

The bone's ability to withstand forces Signup and view all the answers

Why is the nature of the residual ridge bone important in dentistry?

It affects the bone's ability to withstand forces Signup and view all the answers

Study Notes

Factors Affecting Displacement

Amount of displacement depends on the amount of pressure applied
Amount of displacement depends on the nature of the mucosa (thickness)

Anatomic and Functional Ridge Forms

Original mandibular cast shows the residual ridge area recorded in its anatomic form
Buccal shelf region is outlined in the mandibular cast

Distal Extension Base

Enhanced by intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge
Affects the direction and magnitude of the occlusal load to the removable partial denture
Affects the load transferred to the abutments

Residual Ridge Bone

Nature of the residual ridge bone is a factor in displacement
Positional relationship of the residual ridge bone to the direction of stresses that will be placed on it

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Description

This quiz covers factors affecting displacement, anatomic and functional ridge forms, and distal extension base in prosthodontics anatomy.