5th Year Prosthodontics: Immediate Dentures

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Questions and Answers

What could happen if an immediate denture is an open face design?

It may lead to increased bone resorption.

It will provide better functional load distribution.

It might result in improved comfort immediately.

It could produce a scalloped ridge in the region of the socketed teeth. (correct)

What is a disadvantage of transitioning from an open face immediate denture to a flanged denture?

The flanged denture is unable to fit properly.

The flanged denture is significantly more unstable.

Patients often experience fullness of the lip. (correct)

There is a higher chance of allergic reactions.

Under what condition is a fully flanged denture likely difficult to fit?

When the patient has extensive bone resorption.

If there are multiple tooth extractions performed.

If the ridge morphology produces deeply undercut areas. (correct)

When the patient is allergic to denture materials.

What is one of the first steps after inserting immediate dentures?

Immediate dentures must be worn for the first 24 hours without removal. Signup and view all the answers

What might affect the esthetics of immediate dentures?

The anatomy of the patient's jaw. Signup and view all the answers

What is a disadvantage of immediate dentures regarding their fit?

They may need temporary linings and adhesives. Signup and view all the answers

Which of the following factors can contribute to the unpredictability of immediate dentures?

The presence of sore spots and extraction pain. Signup and view all the answers

What should be noted about the timeline for ease of reinsertion of immediate dentures?

They may require a waiting period of 3 to 4 days if removed. Signup and view all the answers

What is the primary goal when trimming the cast for an immediate denture?

To estimate the shape of the residual ridge after teeth extraction Signup and view all the answers

Which hand tool is typically NOT used for trimming teeth on the cast?

Wrench Signup and view all the answers

During the cast trimming process, which anatomical landmark should NOT be altered?

Frenum Signup and view all the answers

What is a key consideration when deciding the alignment of teeth during trimming?

Esthetic and functional requirements Signup and view all the answers

What is the purpose of the surgical splint constructed after cast trimming?

To guide the surgical shaping of the alveolar process Signup and view all the answers

Which technique is typically used for greater precision in cast trimming?

Cutting with a hand-held saw Signup and view all the answers

Why is it important to keep the grinding minimal on the palatal side during trimming?

Because remodeling after extraction is minimal on that side Signup and view all the answers

What guideline should be followed while scribing on the cast during the trimming process?

Use the rule of thirds to guide positioning Signup and view all the answers

What is the primary objective of performing alveoloplasty after tooth extraction?

To improve the shape of the alveolar process for denture fitting Signup and view all the answers

Why is conservative bone removal important during alveoloplasty?

It reduces the risk of rapid bone resorption and ill-fitting dentures. Signup and view all the answers

Which material is primarily used for making successful impressions for immediate dentures?

Irreversible hydrocolloid Signup and view all the answers

What is the role of a surgical splint in immediate denture fabrication?

To assist in the shaping of the alveolar process Signup and view all the answers

Which step is necessary when loose teeth may lead to extraction during an impression?

Applying soft wax to stabilize the teeth Signup and view all the answers

What characteristic is essential for a stock tray used in primary impressions?

It should provide uniform thickness of the impression material. Signup and view all the answers

When recording the proper impression for an upper denture, which area must be included?

The hamular notch and tuberosity area Signup and view all the answers

What is a potential consequence of using an oversized tray for impressions?

It could lead to tissue distortion and incorrect impression recording. Signup and view all the answers

What should be done to prevent distortion of the assembly during tray removal?

Bead and box the impression before pouring Signup and view all the answers

Why is it necessary to bead the impression before pouring?

To avoid distortion during pouring Signup and view all the answers

In which scenario would a bite rim be constructed?

For conventional immediate dentures with few teeth Signup and view all the answers

What material is used for creating the record base after blocking undercuts?

Cold cure acrylic dough Signup and view all the answers

What is the purpose of the boxing wax sheets?

To stabilize the impression during pouring Signup and view all the answers

What must be done to the teeth and tissue undercuts before constructing a record base?

They must be blocked by wax Signup and view all the answers

What is the first step in preparing a sectional impression?

Seat the sections properly on the indices Signup and view all the answers

What is a potential challenge with the use of wax and alginate materials?

Wax may not adhere properly to alginate Signup and view all the answers

What is the primary purpose of an immediate denture?

To provide esthetics, function, and psychological support during healing Signup and view all the answers

Which of the following is NOT a contraindication for immediate dentures?

Stable health condition Signup and view all the answers

Who is considered the best candidate for immediate dentures?

An educated patient engaged in daily social activities Signup and view all the answers

Which patient characteristic would indicate the need for immediate dentures?

A patient with hopeless remaining teeth due to caries Signup and view all the answers

An immediate denture can be classified as which type of prosthesis?

Either complete or partial removable dental prosthesis Signup and view all the answers

What factor is essential for a patient to be considered for immediate dentures regarding health conditions?

Having a stable health condition Signup and view all the answers

Which condition is likely to lead to disqualification from being fitted for immediate dentures?

Recurrent post extraction hemorrhage Signup and view all the answers

Patients who require immediate dentures would most likely have which attitude toward their treatment?

Philosophical and accepting of tooth replacement Signup and view all the answers

Study Notes

Immediate Denture Overview

Immediate dentures provide esthetics, function, and psychological support post-extraction during healing.
Definition: A removable dental prosthesis placed immediately after the removal of natural teeth, which may replace one or all teeth in either jaw.

Indications for Immediate Dentures

Ideal for educated patients with social obligations (e.g., doctors, lawyers).
Suitable for patients with hopeless remaining teeth due to caries or periodontal disease.
Recommended for patients in stable health who accept additional visits or costs.
Best candidates are philosophical types focused on health and appearance.

Contraindications for Immediate Dentures

Poor general health or systemic diseases.
Uncooperative or indifferent patients.
Risk of bacteremia or recurrent post-extraction hemorrhage.
Presence of acute periapical or periodontal disease and extensive bone loss.
Patients willing to remain edentulous during healing.

Advantages of Immediate Dentures

Can maintain ridge shape post-extraction, minimizing bone resorption.
Open face dentures can create a scalloped ridge, preferable for certain patients.
Difficulties transitioning from open face to full-flanged dentures to be anticipated if open face is initially used.

Patient Education on Immediate Dentures

Expect less than perfect fit; may need temporary linings or adhesives.
Discomfort anticipated due to extraction pain and sore spots from the denture.
Aesthetics may vary; anterior try-ins are critical for expected appearance.
Unpredictable factors include gag reflex, salivation, chewing sounds, and facial contour.
Immediate dentures to be worn continuously for first 24 hours to avoid fitting issues post-removal.

Surgical Considerations and Alveoloplasty

Alveoloplasty may be needed for optimal denture fit; conservative bone reduction is crucial.
Surgical splints constructed to aid in the shaping of the alveolar process.

Steps in Immediate Denture Fabrication

Impression: Proper tray and material selection are critical. Techniques to prevent extraction during impression making include using lubricants or soft wax.
Beading and Boxing: Essential for preparing the impression for pouring, ensuring accurate dimensions.
Record Base and Occlusion Rim: Constructed to record jaw relationships; depends on the number of remaining teeth.
Cast Trimming: Must consider the final ridges and tooth arrangement, preserving anatomical landmarks.
Surgical Guide: A thin splint representing the immediate denture shape is crafted to guide alveolar reconstruction.

Key Points in Impression Techniques

Stock trays should extend to capture all necessary areas.
Be careful during impression removal to avoid distortions.
Compression in the impression must be minimized; beading aids proper pouring.

Final Tips

Ensure the impression captures the whole denture-bearing area.
Use conservative methods in trimming casts to prepare for tooth replacement, considering aesthetic and functional requirements.
Follow appropriate guidelines for tooth alignment and positioning during the procedure.

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Description

This quiz covers the topic of immediate dentures as a treatment option in prosthodontics. It explores their importance in providing aesthetics, function, and psychological support during the healing phase after tooth extractions. Perfect for 5th-year prosthodontics students seeking to enhance their understanding.