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Dental Hygiene Final Exam: Questions & Solutions, Exams of Public Health

A collection of multiple-choice questions and their corresponding correct answers, covering a wide range of topics in dental hygiene. It provides a valuable resource for students preparing for their hpdp final exam, offering insights into key concepts, procedures, and clinical applications. The questions address various aspects of dental hygiene, including fluoride application, sealants, gingivitis, periodontitis, oral hygiene practices, and oral cancer. By reviewing these questions and answers, students can reinforce their understanding of essential dental hygiene principles and enhance their exam preparation.

Typology: Exams

2024/2025

Available from 03/06/2025

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HPDP FINAL EXAM QUESTIONS WITH CORRECT SOLUTIONS
"Fluoride application halts the action of _______________ which is necessary for the metabolism
of carbohydrates.
a. Anodyne
b. Enolase
c. Pyrophosphate - CORRECT ANSWER b. Enolase"
"All of the following are indications of sealants EXCEPT which one?
a. Deep pits and fissures
b. Coalesced pit
c. Xerostomia
d. Acidic saliva - CORRECT ANSWER b. Coalesced pit"
"All of the following are characteristics of gingivitis EXCEPT which one?
a. inflammation
b. bleeding
c. slight alveolar bone loss - CORRECT ANSWER c. slight alveolar bone loss"
"A 25-year old young lady presents with 1 porcelain crown on #13 and an amalgam on #30. Which
in-office topical fluoride should be applied?
a. 2.0% Sodium Fluoride gel
b. 2.0% Sodium Fluoride foam
c. 1.23% acidulated phosphate fluoride gel
d. 0.5 sodium fluoride mouth rinse
e. none of the above are suitable for the patient's needs - CORRECT ANSWER a. 2.0% Sodium
Fluoride gel"
"The most common form of periodontitis is:
a. chronic
b. aggressive
c. non-plaque induced
d. necrotizing
e. plaque-induced - CORRECT ANSWER a. chronic"
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HPDP FINAL EXAM QUESTIONS WITH CORRECT SOLUTIONS

"Fluoride application halts the action of _______________ which is necessary for the metabolism of carbohydrates. a. Anodyne b. Enolase

c. Pyrophosphate - CORRECT ANSWER b. Enolase"

"All of the following are indications of sealants EXCEPT which one? a. Deep pits and fissures b. Coalesced pit c. Xerostomia

d. Acidic saliva - CORRECT ANSWER b. Coalesced pit"

"All of the following are characteristics of gingivitis EXCEPT which one? a. inflammation b. bleeding

c. slight alveolar bone loss - CORRECT ANSWER c. slight alveolar bone loss"

"A 25-year old young lady presents with 1 porcelain crown on #13 and an amalgam on #30. Which in-office topical fluoride should be applied? a. 2.0% Sodium Fluoride gel b. 2.0% Sodium Fluoride foam c. 1.23% acidulated phosphate fluoride gel d. 0.5 sodium fluoride mouth rinse

e. none of the above are suitable for the patient's needs - CORRECT ANSWER a. 2.0% Sodium

Fluoride gel" "The most common form of periodontitis is: a. chronic b. aggressive c. non-plaque induced d. necrotizing

e. plaque-induced - CORRECT ANSWER a. chronic"

"Non-surgical planning root scaling falls under which of the following levels of dental hygiene care? a. primary b. secondary c. tertiary d. type I

e. type II - CORRECT ANSWER c. tertiary"

"Gingivitis WILL have - CORRECT ANSWER bleeding on probing (BOP)"

"Fluorosis is the presence of excess fluoride during the mineralization of permanent teeth. The effects of fluorosis are visible at any age. a. Both statements are TRUE b. Both statements are FALSE c. The first statement is TRUE, and the second statement is FALSE

d. The first statement is FALSE, and the second statement is TRUE - CORRECT ANSWER c. The

first statement is TRUE, and the second statement is FALSE" "Oral Irrigation can be recommended for all of the following EXCEPT which? a. Orthodontic appliances b. Periodontal pockets c. Open interdental spaces

d. All of the above are acceptable of oral irrigation - CORRECT ANSWER d. All of the above are

acceptable of oral irrigation" "The periodontal aid that is positioned at 90 degree angle to the surface of the tooth and is used by inserting in and out from both the facial and lingual surfaces is a. Stim-u-dent

b. Proxa brush - CORRECT ANSWER b. Proxa brush"

"Improper use of interdental wooden wedges can result in which of the following? a. Blunted papilla b. Festooning

c. Gingival swelling - CORRECT ANSWER a. Blunted papilla"

"Sealants are an example of primary preventive treatment. a. True

"Professional application of 1.23% APF or 2.0 NaF gel or foam are indicated to be applied for how long? a. 1 hour b. 2 minutes c. 15 minutes

d. 4 minutes - CORRECT ANSWER d. 4 minutes"

"All of the following are true of CHX gluconate except which one? a. Cause a yellowish/brownish stain b. Indicated for children younger than 6 years-old or adults. c. preprocedural mouth

d. prescription only - CORRECT ANSWER b. Indicated for children younger than 6 years-old or

adults" "Which of the following is not true for powered toothbrushes? a. They are superior to manual toothbrushes b. Their handles are generally larger than manual c. brush heads are generally larger

d. They are used for caregiver - CORRECT ANSWER c. brush heads are generally larger. The

brush heads of powered toothbrushes are smaller" "Which of the following is not appropriate to use for a patient with dental implants a. Single tufted brush b. Unwaxed floss c. Medium bristle brush

d. Oral irrigator - CORRECT ANSWER c. Medium bristle brush"

"Tongue piercing is associated with these intraoral conditions except: a. Intraoral pigmentation b. gingival recession

c. chipping of incisal edges - CORRECT ANSWER a. Intraoral pigmentation"

"Which feedback with self-care would not be considered appropriate? a. Positive reinforcement b. Authoritative comments c. Understanding the need for self-pacing

d. Teaching information on a "need-to-know" basis - CORRECT ANSWER b. Authoritative

comments"

"If a tumor is ___________________, it is more apt to _____________ to other parts of the body.

- CORRECT ANSWER Malignant; Metastasize" "Oral cancer can only occur in patients older than 40 years old. a. True

b. False - CORRECT ANSWER b. False"

"The best chance for long-term retention of an avulsed tooth is to: a. immediated soaked in HBSS until dental profession can replant the tooth b. place in the vestibule of the mouth c. immediately placed back in the socket d. rushed to the DDS and they places tooth back into the socket and attaches a splint to the tooth

CORRECT ANSWER c. immediately placed back in the socket"

"Which of the following best describe the relationship between gingivitis and periodontal disease? a. Chronic periodontitis is always preceded by plaque-induced gingivitis b. Untreated plaque-induced gingivitis always leads to chronic periodontitis c. Both plaque-induced gingivitis and periodontal disease can result in attachment loss

d. Both plaque-induced gingivitis and periodontitis lead to bone loss - CORRECT ANSWER a.

Chronic periodontitis is always preceded by plaque-induced gingivitis"

"Calculus is derived from - CORRECT ANSWER 70-80% inorganic material (Ca, P, Mg)"

"Are there any metals contraindicated for body piercings? a. No

b. Yes - CORRECT ANSWER b. Yes. Nickel and brass"

"Educational services is given at the beginning of the appointment because - CORRECT

ANSWER impatient, time, accomplishment"

"Subgingival calculus may be darker color than supra gingival calculus because of a. The absorption of the blood products

b. bacteria type - CORRECT ANSWER a. The absorption of the blood products"

b. False - CORRECT ANSWER a. True."

"Enamel, under certain stains (especially green), is sometime demineralized and it is suggested not to scale these areas, but instead have the patient brush it off during oral hygiene instructions. a. True

b. False - CORRECT ANSWER a. True. Green stain is indeed embedded in plaque/biofilm which

can be removed by brushing. This is best demonstrated during oral hygiene instruction." "Ingestion of fluoridated water and/or fluoridated dental products can produce visible fluorosis at any age. a. True

b. False - CORRECT ANSWER b. False. Fluorosis is an endogenous, intrinsic stain that can only

occur while the tooth is forming and the excess fluoride is ingested. if the tooth is already formed and excess fluoride is ingested it will not affect the enamel" "The optimum level needed of Fluoride in Community water is a. 0.7 ppm b. 1.0 ppm c. 2.0 ppm

d. 2.7 ppm - CORRECT ANSWER a. 0.7 ppm"

“Which of the following is an etiological factor for periodontitis? a. Genetics b. Inadequate immune system c. Diabetes d. Smoking

e. All of the above - CORRECT ANSWER e. All of the above"

"All of the following are true of xylitol EXCEPT: a. Increase salivary flow b. Increases presence of fluoride surrounding the teeth c. Increases cariogenicity

d. Decreases acidity of mouth - CORRECT ANSWER c. Increases cariogenicity"

"All of the following are local factors EXCEPT for which one? a. orthodontics appliances b. hormonal imbalance c. calculus d. open contacts

e. overhanging restorations - CORRECT ANSWER b. hormonal imbalance"

"A patient presents with more than 50% bone loss, significant recession and bleeding on probing. What case type classification is she? a. Type II/early periodontitis b. Type IV/advanced periodontitis c. Type III/moderate periodontitis d. Type III/advanced periodontitis

e. Type IV/refractory - CORRECT ANSWER b. Type IV/advanced periodontitis"

"What is the name of an over-the-counter, ADA approved mouth rinse? a. Stannous b. Saline c. Listerine d. Act

e. Peridex - CORRECT ANSWER c. Listerine"

"The main detergent component sodium lauryl sulfate (SLS) can cause irritation in the mucosa of some patients. Humuctants function to detoxify tooth surfaces. a. Both statements are TRUE b. Both statements are FALSE c. The first statement is TRUE, and the second statement is FALSE

d. The first statement is FALSE, and the second statement is TRUE - CORRECT ANSWER c. The

first statement is TRUE, and the second statement is FALSE" "The portion of dental hygiene process of care where the plan is being carried out as service is given and the patient is being instructed is: a. planning

b. implementation - CORRECT ANSWER b. implementation"

"If it is said that there is edema in the mouth, it is being stated that there is: a. redness b. swelling

c. rolled gingiva - CORRECT ANSWER b. swelling"

"Enlarged marginal gingiva that resembles a life-saver is - CORRECT ANSWER festooning"

"A patient has firm, pink, stippled gingiva with generalized gingivitis and Type I embrasures. Which is the best periodontal aid to recommend? a. Waxed floss b. Proxa brush c. Braided floss d. End-tufted brush

c. 21 year-old with excellent oral hygiene

d. 40 year-old with a history of caries, but no new caries in the last 5 years - CORRECT ANSWER

b. 10 year-old with facial caries and multiple incipient white spot lesions" "Hydrogen peroxide is the MOST effective chemotherapeutic agent against bacterial plaque. a. True

b. False - CORRECT ANSWER b. False. CHX is prescribed for periodontal patients. The most

effect OTC chemotherapeutic mouth rinse is Listerine. 3% Hydrogen peroxide causes black hairy tongue" "Dental hygienist play a significant role is fighting against tobacco use. 1st the dental hygienist must be willing to: a. ask clients about their current tobacco use habits b. advise c. teach self oral cancer exam

d. write prescription - CORRECT ANSWER a. ask clients about their current tobacco use

habits" "All of the following indicate fluoride therapy professionally or at home care except: a. Adults with low risk for caries b. Salivary gland dysfunction c. White spot lesions

d. Poor oral hygiene - CORRECT ANSWER a. Adults with low risk for caries"

"A boy comes in with an avulsed tooth. His mother hands it to you and states that it has been in milk for 35 minutes. You notice that it still has some dirt attached to it. You should: a. Immediately reinsert into socket b. Gently brush, rinse with water replant c. Gently rinse in saline/HBSS and replant the tooth

d. Softly shake around in cup until dirt has been jarred loose - CORRECT ANSWER c. Gently

rinse in saline/HBSS and replant the tooth" "At the boy's 2 week follow up, you should a. Suggest the need for a mouthguard b. take the opportunity to explain the importance of tetanus shot c. recommend a second round of antibodies for safety d. a and b

e. b and c - CORRECT ANSWER d. a and b"

"Which of the following adjunctive plaque removal aid is/are most efficient to remove plaque in a Class 4 furcations? a. Water Pik b. Interdental brush c. Superfloss d. Toothpick holders

e. All of the above - CORRECT ANSWER e. All of the above"

"The American Academy of Periodontology (AAP) classification for chronic periodontitis with 1- mm of clinical attachment loss and less than 20% bone loss is a. Case Type I- Heathy/gingivitis b. Case Type II- slight/early periodontitis c. Case Type III- moderate periodontitis d. Case Type IV- advanced/severe periodontitis

e. Case Type V- Refractory - CORRECT ANSWER b. Case Type II- slight/early periodontitis"

"32 year old pt with generalized, pink, stippled, firm gingiva with pointed papilla and Class 1 embrasures, minimal Bleeding on Probing. Which of the following adjunctive ads could you recommend? a. Dental floss b. manual soft toothbrush c. Stimudents d. Interproximal brush e. Perio-aid

f. a and b - CORRECT ANSWER f. a and b"

"Shiela is a 19 year old college student that presents with partially erupted 3rd molars that are impacted and always get her food stuck in the mouth in that area. Which of the following can be used to clean that area?

  1. Powered toothbrush
  2. end tufted brush
  3. water pik
  4. rubber tip stimulator

5. dental floss - CORRECT ANSWER 1,2,3"