and CORRECT Answers
Which of the following represents the classic sign or symptom of an anteriorly displaced disc
with reduction?
A. Pain
B. Closed lock
D. Reciprocal click
E. Decreased range of motion - CORRECT ANSWER - D. Reciprocal click
Acute pyogenic bacterial infections produce
A. leukopenia.
B. lymphopenia.
C. neutropenia.
D. leukocytosis.
E. lymphocytosis. - CORRECT ANSWER - D. leukocytosis.
Blade and root form implants are examples of which of the following types of implants?
A. Endosseous
B. Transosteal
C. Subperiosteal
D. Ceramic - CORRECT ANSWER - A. Endosseous
Which of the following teeth are the most susceptible to root fracture during extraction?
,A. Maxillary first premolars
B. Maxillary second premolars
C. Maxillary third molars
D. Mandibular first premolars - CORRECT ANSWER - D. Maxillary first premolars
Each of the following is an indication for a posterior maxillary osteotomy EXCEPT one. Which
one is this EXCEPTION?
A. Correction of mandibular prognathism
B. Intrusion of the tuberosity, preparatory to denture construction
C. Closure of the anterior open bite in some cases of apertognathia
D. Skeletal arch width discrepancies that require lateral positioning of E. posterior segments -
CORRECT ANSWER - A. Correction of mandibular prognathism
Two months after an extraction, a patient becomes ill with hepatitis. The dentist may be at fault if
he
A. does not wear a mask.
B. does not use an antiseptic before injection.
C. does not wear gloves when performing surgery.
D. uses cold sterilization for his surgical instruments. - CORRECT ANSWER - D. uses
cold sterilization for his surgical instruments.
Following immediate denture surgery, the best suture technique to use would be
A. continuous.
B. interrupted.
C. vertical mattress.
D. never use sutures.
, E. horizontal mattress. - CORRECT ANSWER - B. interrupted.
For oral sedation in the dental setting, the most ideal group of agents is
A. narcotics.
B. barbiturates.
C. antihistamines.
D. benzodiazepines.
E. anticholinergics. - CORRECT ANSWER - D. benzodiazepines.
The blade type dental implant is most useful for
A. single tooth replacement.
B. anterior maxillary edentulous areas between first bicuspids.
C. edentulous posterior areas without posterior abutment teeth.
D. rehabilitation of a totally edentulous ridge (especially the mandible) with a fixed appliance. -
CORRECT ANSWER - C. edentulous posterior areas without posterior abutment teeth.
In vestibuloplasty, a skin graft functions to
A. prevent reattachment of muscle to periosteum.
B. promote osteogenesis to establish a bony barrier to loss of sulcus depth.
C. inhibit fibroblasts in the underlying tissue.
D. provide an adequate amount of nonkeratinized tissue. - CORRECT ANSWER - A.
prevent reattachment of muscle to periosteum.
The major reason for loss of transplanted autogenous third molars is