Anatomy
Which muscle shifts the mandible to the side of the face?
a) Masseter
b) temporalis
c) medial pterygoid
d) lateral pterygoid
e) sternocleidomastoid
D) Lateral pterygoid
The mental foramen is generally found:
a) apical to the mandibular second premolar
b) apical to the maxillary pre molar
c) halfway between the superior and inferior borders of the ramus
d) near the ramus and approximately 10 mm above the occulsal plane
a) apical to the mandibular second premolar
Which of the following is the greatest single risk factor for oral cancer?
a) alcohol
b) genetics
c) tobacco
d) diet
c) tobacco
Attached gingiva is found between the:
a)Alveolar crest and the junctional epithelium
b) Alveolar mucosa and the free gingival groove
c) Alveolar mucosa and the marginal gingiva
d)Upper boundary of the gingiva and the junctional epithelium
b) Alveolar mucosa and the free gingival groove
What muscle is responsible for protruding the tongue?
a) hyoglossus muscle
b) palatoglossus muscle
c) genioglossus muscle
d) styloglossus muscle
c) genioglossus muscle
The inferior alveolar nerve merges the incisive nerve, and which other nerve branch?
a) infraorbital
b) lingual
c) mental
d) long buccal
Which explanation describes the error in a panoramic exposure if the image demonstrates a “flat” smile?
a) The chin is tipped down too far
b) The chin is tipped up too far
c) The lead color is above the line
d) The patient’s head is twisted
b) The chin is tipped up too far
Which statement concerning lichen planus in the oral cavity is NOT correct?
a) It is a benign condition
b) It is characterized by white lines called Wickham striae
c) It is mostly found on the buccal mucosa
d) It usually presents unilaterally
d) It usually presents unilaterally
Clinical evidence supporting the need for non-surgical periodontal therapy includes
A. bleeding on probing.
B. dental history.
C. diagnostic study casts.
D. gingival recession.
A. bleeding on probing. (Key)
In dental radiology, which exposure factor is used to produce low-contrast images?
a) decreased exposure time
b) decreased filtration
c) increased kilovoltage peak
d) increased milliamperage
c) increased kilovoltage peak
The mandibular division of the trigeminal nerve exits at which of the following?
a) foramen ovale
b) jugular foramen
c) foremen rotundum
d) internal oribital fissure
a) foramen ovale
Which dental restoration material appears to be the MOST radiopaque?
a) base material
b) composite
c) gold
d) porcelain
gold
Which virus causes hairy leukoplakia?
A. Epstein-Barr
B. Herpes simplex
C. Human immunodeficiency
D. Human papilloma
A. Epstein-Barr (Key)
The mineral content of subgingival caluculus is derived from:
a) saliva
b) food particles
c) salivary ducts
d) crevicular fluid
d) crevicular fluid
If a patient has 24 teeth, and lost 5 teeth due to peiodontitis. What is the patient's staging accoding to the AAP classification?
a) stage I
b) stage II
c) stage III
d) Stage IV
stage IV
all of the following are located in the mandible except one:
a) external oblique line
b) coronoid process
c) zygomatic process
d) ramus
zygomatic process
If the source-to-receptor distance is changed from 8 to 24 inches, the intensity of the beam becomes:
a) 3 times as intense
b) 9 times as intense
c) 1/3 as intense
d) 1/9 as intense
d) 1/9 as intense
What type of oral lesion is characterized by a benign wart-like growth caused by HPV infection?
a) oral leukoplakia
b) oral lichen planus
c) oral squamous cell carcinoma
d) oral verruca vulgaris
d) oral verruca vulgaris
What is the physiologic change in the gingiva commonly seen in a patient with decades of smoking habit?
a) the gingiva becomes hyperkeratonic
b) the gingiva develops a high level of melanocytes
c) the gingiva turns a deep blue color
d) the gingiva undergoes rapid turnover
a) the gingiva becomes hyperkeratonic
slowly progressing, multiple purplish malignant vascular tumors arising in multiple sites that often are associated with HIV as well as other forms of immunodeficiency are most likely:
a) lymphangioma
b) kaposi's sarcoma
c) hemangioma
d) melanocytic nevi
b) kaposi's sarcoma
During a dental hygiene continued-care appointment, a client of record exhibits partial facial paralysis. She was recently diagnosed with Bell's Palsy. Damage to which nerve caused this condition.
a) Trigeminal
b) facial
c) glossopharyngeal
d) buccal
b) facial
While evaluating a panoramic image of a 41-year-old patient, you notice a radiolucency on the apices of a developing third molar. You suspect it could be:
a)Coronal cyst
b) Dentigerous cyst
c) Eruption cyst
d) Lateral periodontal cyst
b) Dentigerous cyst
What is recommended if a patient presents with an ulcer that has persisted for several weeks and does not heal in 7 to 14 days?
a) perform a biopsy to rule out neoplasia
b) prescribe antibiotics to treat a possible infection
c) recommend over-the-counter pain medication
d) suggest a follow-up appointment in 3 months
a) perform a biopsy to rule out neoplasia
A 34-year old client with stage 1 periodontitis who smokes and has challenges with self-care is new to your practice. All of the following initial or nonsurgical periodontal therapies are appropriate to recommend for this client EXCEPT:
a) topical antimicrobial mouth rinse
b) gingival curettage
c) SRP
d) selective stain removal
b) gingival curettage
The patient presents with an area in the vestibule that is white and tissues that slough off. Upon talking to the patient, you realize that the patient had been suffering from a toothache and he used an aspirin tablet on the area to calm the pain. Patient is worried he has cancer. What advise could the clinician give?
a) recommend a biopsy
b) radiographic examination will provide definitive diagnosis
c) it is candidasis, prescribe antifungal cream
d) most likely a mucosal burn, watch for a few weeks to see if it heals
d) most likely a mucosal burn, watch for a few weeks to see if it heals