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NDAEB PREP QUESTIONS AND ANSWERS
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NDAEB PREP QUESTIONS AND ANSWERS
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NDAEB PREP QUESTIONS AND ANSWERSChoose the type of caries recorded:
A carious lesion was recorded on the buccal pit of tooth 26 four years ago, the decay
has not progressed to date. - answer- incipient caries
Identify the anatomical landmarks that are present on a radiograph.
Which radiopaque landmark may be seen on a maxillary anterior image? - answer-
maxillary sinus
During an exam, the dentist notes that a patient has a fungal condition on her palate
and that her denture has not been cleaned properly in a long time. Although the denture
fits poorly and has a broken edge, the patient cannot afford to have a new one made.
The dentist smoothes the sharp edge and advises the patient that a denture reline will
be required in two weeks and the repair can be done at the same time. The dentist asks
the dental assistant to instruct the patient on denture care in relation to the fungal
condition, to polish the denture and to schedule the appointments.
The dental assistant would recognize that the fungal condition on the patient's palate is
candidiasis by the presence of which one of the following oral soft tissue conditions? -
answer- white, curd-like areas that can be partially scraped off.
Which of the following oral conditions would indicate an adverse reaction to topical
anesthetic ointment? - answer- swelling
A healthy 47-year-old patient presents for the delivery of her 37 mod. Permanent cast
restoration and placement of indirect veneers on teeth 11, 12 and 13. She would like
tooth 47
Replaced. The dentist prescribes periapical radiographic images of 47, 46 area and
tooth 37 using the bisecting technique. The patient's maxillary and mandibular wisdom
teeth are present on the left side. Vital signs were obtained and recorded to be within
normal limits.
Which wisdom teeth are present? - answer- 28 and 38
The dental assistant is preparing equipment and supplies for the following restorations:
• 31 ml
• 32 dl
• 36 modb amalgam
The odontogram indicates that 37 and 38 are missing. The medical history indicates a
history of claustrophobia
Which one of the following moisture barriers will be used on the lingual side to absorb
the flow of saliva? - answer- cotton roll
, The dental assistant is preparing for the first patient of the day for the surgical
extractions of teeth 28 and 38. The patient has a past medical history of hepatitis b.
Both teeth require radiographic images before they can be extracted. The second
patient of the day is scheduled for the surgical extraction of tooth 28, and has no
medical contraindications. The third patient is scheduled for a restorative procedure.
The receptionist in the office is often called upon to help with the cleaning and
sterilization of instruments. The dental assistant only works out of one operatory and
has only one set of surgical instruments
What is the correct sequence for preparing the operatory for the third patient? - answer-
discard disposables and barriers, surface clean, surface disinfect, place new barriers.
A healthy 47-year-old patient presents for the delivery of her 37 mod permanent cast
restoration and placement of indirect veneers on teeth 11, 12 and 13. She would like
tooth 47 replaced. The dentist prescribes periapical radiographic images of 47, 46 area
and tooth 37 using the bisecting technique. The patient's maxillary and mandibular
wisdom teeth are present on the left side. Vital signs were obtained and recorded to be
within normal limits.
Which one of the following vertical angulations should the dental assistant use while
exposing the radiographic image of the mandibular right? - answer- -5 to 0
A patient presents for composite restorations on the following teeth surfaces: 21 di, 11
mid and 44 do. The dental assistant prepares the equipment and supplies and applies
the topical anesthetic as prescribed by the dentist. After the treatment is completed the
patient begins to have intermittent blinking followed by a blank stare.
Which one of the following medical emergencies does this patient's signs and
symptoms indicate? - answer- petite mal seizure
A 7-year-old patient of record arrives at the office with an emergency: he has fractured
tooth 11 in a fall in the playground at school. The dentist will see the patient immediately
and asks the dental assistant to take a radiographic image. Upon examination, it is
noted that two thirds of the coronal portion of the tooth is missing with a horizontal
fracture and a distinct pink area visible inside the remaining crown of the tooth. The
dentist recommends endodontic treatment and a temporary restoration.
Which nerve should the dentist anesthetize to treat tooth 11? - answer- anterior superior
alveolar
The dental assistant is preparing for the first patient of the day for the surgical
extractions of teeth 28 and 38. The patient has a past medical history of hepatitis b.
Both teeth require radiographic images before they can be extracted. The second
patient of the day is scheduled for the surgical extraction of tooth 28, and has no
medical contraindications. The third patient is scheduled for a restorative procedure.
The receptionist in the office is often called upon to help with the cleaning and
sterilization of instruments. The dental assistant only works out of one operatory and
has only one set of surgical instruments.
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