TDA Online Continuing Dental Education

Exam for Provisional Prostheses During Ridge Augmentation and Implant Dentistry - Exam 49

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Description: Recent advancements in ridge augmentation and bone regeneration have expanded the pool of patients that could benefit from dental implants. However, providing the patient with a temporary prosthesis during the wound healing phase without impairing the process is a challenging task. This article summarizes available information pertaining to provisional prostheses, both tooth-supported and soft tissue-supported, that may meet the patient needs. The advantages and disadvantages of each class of prosthesis, along with indications and contraindications, were taken into consideration to aid the restorative dentist in choosing the optimal provisional for their patients.

1. Which one of the following is NOT a principle of Guided Bone Regeneration ( GBR) healing:

a. Angiogenesis
b. Epithelialization
c. Space creation
d. Primary wound closure

2. Micromotion during the healing period after GBR and/or implant placement could:

a. Accelerate osseointegration
b. Promote bone formation around dental implants
c. Prevent osseointegration
d. Accelerate cementum formation

3. What is a disadvantage of the “Maryland Bridge”:

a. Loss of retention (debonding)
b. Inexpensive
c. Easy to place and remove
d. Requires minimum tooth preparation

4. Which one of the following is NOT an advantage of the vacuum-formed retainer:

a. Inexpensive
b. Easy to fabricate
c. Long term durability
d. Protects the healing site

5. Which of the following statements regarding acrylic resin removable partial dentures is NOT true:

a. They could be used in patients with strong gag reflex
b. They may interfere with phonetics and speech
c. Should not exert heavy pressure in the underlying healing site
d. May be bulky and not esthetic