A diastema is NOT considered part of normal dental development _______________.
A. after eruption of the permanent canines
B. in six-year-olds with a diastema in excess of 3 mm
C. in eight-year-olds with a diastema in excess of 3 mm
D. during the primary dentition
Fungiform papillae _______________.
A. are found on the lateral border of the tongue
B. are the most numerous papillae
C. are singular knoblike projections
D. appear as parallel slits
The transverse ridges, located at the anterior portion of the hard palate, are known as ____________.
A. maxillary arch
C. alveolar bone
D. incisive papillae
Aphthous ulcers are _______________.
A. a common acquired condition
B. a congenital condition
C. a developmental condition
D. characterized by raised, white, curd like plaques
Systemic symptoms of fever, malaise, and cervical lymphadenopathy are associated with ____________.
A. primary herpetic gingivostomatitis
B. aphthous ulcers
At what age does mineralization begin for primary teeth?
A. 8 months
B. 7 weeks
C. 4th month of fetal development
D. 13 weeks
Early or late loss of primary teeth is sometimes associated with which condition?
Discoloration of teeth will not occur from tetracycline administration _______________.
A. between the ages of six-months to four-years
B. between ages of four-years to eight-years
C. with long-term use by any child
D. after crown formation is complete
Which of the following is true?
A. Gemination and fusion can be distinguished only by dental x-rays.
B. Fusion is the union of two separate developing teeth.
C. Geminated teeth have two pulp chambers, two canals.
D. Fused teeth have one pulp chamber, two canals.
This condition is frequently undetected and causes hypernasal speech:
A. Congenital epulis of the newborn
B. Submucous clefts
The caries process is best defined as _______________.
A. continuous demineralization with intermittent remineralization
B. fermentable carbohydrates as fuel for bacteria collecting around the tooth surface producing lower pH and initiating the decay process
C. high pH causing the deposit of calcium and other minerals
D. high pH causing calcium, phosphate and other minerals to diffuse out of the enamel
Over-the-counter fluoride mouthrinses are _______________.
A. not recommended for preschool-aged children
B. recommended for all children
C. recommended only for children with mild to moderate caries
D. designed for weekly use
Spontaneous abandonment of oral habits normally occurs at ____________.
A. 12 months
B. 1-2 years of age
C. 2-4 years of age
D. 4-6 years of age
Caregiver counseling should include _______________.
A. no sugary liquids at sleep times
B. daily teeth cleaning
C. no at-will feeding with formula, milk or sugary liquids
D. All of the above.
An avulsed permanent tooth should be _______________.
A. placed in a dry, low humidity, bag or container
B. scrubbed clean and kept sterile until reimplantation can be assessed
C. immediately placed back in socket or kept in an appropriate storage medium
D. wrapped in a wet towel or cloth
Repositioning, splinting, and routine pulpal evaluation should be considered for _______________.
A. laterally luxated permanent teeth
B. intruded immature permanent teeth
C. avulsed primary teeth
D. None of the above.
In soft tissue trauma antibiotics are recommended for "through and through" lacerations.
Risk for dental injuries occurring while playing sports _______________.
A. cannot be decreased
B. can be decreased with the use of a carefully fitted mouthguard
C. can be decreased without proper training and instruction
D. can be decreased if contact sports are not pursued until the age of 10
A commissure splint after an electrical burn is recommended to _______________.
A. ensure proper cosmetics during healing
B. prevent excessive scarring
C. be worn for a maximum of six months
D. prevent microstomia secondary to wound contraction
One major disadvantage of using Silver Diamine Fluoride (SDF) to arrest caries is _______________.
A. Very high cost compared to other restorative materials
B. Dark, persistent staining of treated carious lesion
C. Requires special equipment for application
D. It is time consuming to apply