HESI Case Study One

Which bacteria are predominately found close to the pulp in carious lesion on #14?

Actinomyces viscosus

Fusobacterium

Streptococcus mutans

Lactobacillus

Which clinical characteristic indicates the presence of subgingival calculus?

Presence of supragingival calculus

Bluish-red marginal gingiva

Attachment loss

Presence of diastemas

Radiographically, what is the radiopaque structure posterior to #31?

Mandibular canal

Internal oblique ridge

Retromolar pad

External oblique ridge

Which explains the distobuccal probing depths on #13?

Periodontal health

Gingival enlargement

Presence of radicular calculus

Keratinized tissue associated with tobacco use

The pt is scheduled to have #14 extracted. Which prophylactic oral antibiotic regimen should be prescribed for this procedure?

Cephalexin 2g / 1 hour prior

Amoxicillin 2000mg / 1 hour prior

Amoxicillin 2000mg / 1 hour before and after

Cephalexin 2g / 1 hour before and after

If necessary, which nonopioid analgesic can be recommended for the pt to take after the extraction?

Acetaminophen

Aspirin

Naproxen

Ibuprofen

The dental hygienist plans to debride the pts dentition using a magnetostrictive ultrasonic scaler. Which motion and sides are active with the scaler tip?

Linear with lateral sides

Linear with all sides

Elliptical with all sides

Elliptical with lateral sides

The palate appears keratotic with interspersed red spots. What does this clinical appearance most likely represent?

Recurrent apthous ulcers

Materia alba

Nicotine stomatitis

Hand, foot and mouth disease

The carious lesion on #14 has penetrated each of the following tooth structires EXCEPT one. Which is the exception?

Pulp

Cementum

Dentin

Enamel

Which agent was #30 most likely treated with before the restoration was placed?

Base

Sealer

Liner

Varnish

He pt experiences acute pain during the periodontal debridement of #12, necessitating supraperiosteal anesthesia. Which volume of anesthetic solution, in mm, should be administered?

0.2 to 0.4 (1/8 to 1/4 cart)

1.2 to 1.5 (2/3 to 3/8 cart)

0.4 to 0.9 (1/4 to 1/2 cart)

0.9 to 1.2 (1/2 to 2/3 cart)

The recession for all three surfaces on the lingual #13 is 1mm. Which is the clinical attachment loss in mm for the mesiolingual aspect of #13?

The loss of enamel on #6 is permanent because ameloblasts recede to the dentinoenamel junction (DEJ) upon eruption.

Both statement and reason are correct but not related.

Neither the statement nor reason is correct.

The statement is correct but reason is not.

Both statement and reason are correct and related.

The statement is not correct but the reason is correct.

What clinical condition is present in the anterior teeth?

Erosion

Abrasion

Extrusion

Attrition

Once the pt has completed the tobacco assessment survey, what should be assessed next?

Discuss medical side effects of tobacco use

Gather educational materials to share with pt

Confer barriers to quitting

Evaluate pts willingness to quit

HESI Case Study One

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