Chapter 39 Removable Prosthodontics

Why is an immediate denture only appropriate for 3 to 6 months?

• The materials used to create an immediate denture will break down after that time.

• Biofilm will build up in the underlying tissue and make the denture unwearable.

• The tissues in the oral cavity undergo changes during the healing process, making denture adjustment or replacement necessary.

• The abutment teeth are unable to support a denture for longer than 6 months.

Which of these is not a possible barrier to a patient being a good candidate for dentures?

• Tori

• Great fluctuations in weight

• Facial paralysis

• Heavy saliva flow

Which of a patient’s original teeth are most often saved to serve as a base to which to attach a full denture?

• Third molars

• Buccal

• Bottom

• Canine

From what material is the metal framework of a partial denture made?

• Chrome cobalt

• Platinum

• Porcelain

• Nickel

Which of the following patients would not be a good candidate for a partial denture?

• An individual missing several teeth in the same quadrant

• A pediatric patient

• An individual with rampant caries

• An older patient

Pontics in a denture can be made from all of these except which one?

• Plastic resin

• Cobalt

• Acrylic

• Porcelain

At the final impressions appointment for a partial denture, which of these is done?

• Bite and occlusal registration taken

• Shade and mold of pontics determined

• Abutment teeth modified

• All of the above

Which of these is used to evaluate occlusion?

• Ink

• Paste

• Articulating paper

• Laboratory prescription

How long must a patient being fit for a full denture heal after natural teeth are extracted before receiving the denture?

• 4 to 6 days

• 4 to 6 weeks

• 4 to 6 months

• There is no wait; they can receive the full denture right away

If a patient wanting a full denture opts for an immediate denture, how long after the extraction of the teeth can the immediate denture be placed?

• Immediately

• A week later

• A month later

• A full denture patient cannot have an immediate denture