Prosthodontically, adding pink/purple will move yellow to ______ shade, and periodontically the purple complex, considered one of the early colonizers of dental plaque, is ______?
A) blue-red, Actinomyces israeli
B) violet, Actinomyces viscosus
C) yellow-red, mutans strept.
D) yellow-red, Actinomyces odontolyticus
E) none of these options
The treatment of a Class II, Division 1 malocclusion has the best prognosis when:
A) there is labial tipping of the maxillary incisors
B) there is a satisfactory relationship of maxillary and mandibular apical bases
C) there is no arch length (tooth size) discrepancy
D) there is a short lower anterior face height
E) all of the above
To compensate for a 20% shrinkage of porcelain during firing, we have to:
A) increase metal thickness
B) increase firing time of porcelain
C) overcontour porcelain
D) decrease porcelain thickness
E) none of the above
A patient has just eaten a large fast-food meal before an impression is taken. The impression will most likely show:
A) rough chalky appearance
B) tear easily
C) hard surface
D) voids
E) none of the above
A patient presents with a white, non-scrapable corrugated lesion on the lateral border of the tongue. The patient has a history of smoking and alcohol use. The most likely diagnosis is:
A) lichen planus
B) leukoplakia
C) candidiasis
D) aphthous ulcer
E) none of the above
Which of the following drugs is considered the drug of choice for tapeworm infestation?
A) mebendazole
B) niclosamide
C) praziquantel
D) piperazine citrate
E) albendazole
In a dental research report, the term “statistically significant” means:
A) the study involved a large number of subjects
B) results are unlikely to have occurred by chance
C) statistical methods were used
D) statistical analysis was necessary
E) results are interesting but not clinically relevant
During root canal therapy, which organism is most associated with infective endocarditis in a patient with valvular heart disease?
A) Hemolytic streptococcus
B) Non-hemolytic streptococcus
C) Coagulase-positive staphylococcus
D) Enterococcus faecalis
E) Pseudomonas aeruginosa
Ankylosis occurs most frequently in:
A) permanent maxillary lateral incisors
B) primary mandibular canines
C) primary mandibular first molars
D) primary mandibular second molars
E) none of these options
A 25-year-old patient presents with deep caries in the mandibular first molar. The pulp is diagnosed as irreversibly inflamed, and radiographs show no periapical pathology. The most appropriate treatment is:
A) amalgam restoration
B) composite restoration
C) root canal therapy
D) extraction
E) none of these options