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NBDHE DENTAL HYGIENIST PRACTICE ACTUAL EXAM WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST 2025 ALREADY GRADED A+
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All of the following, except one, are instruments used in debridement around dental implants. Which one is the exception? a. Plastic resin b. Graphite c. Stainless steel d. Gold-tipped - ANSWERS-Stainless steal
The patient asks why her remaining baby teeth have not fallen out yet. At what age do mandibular second bicuspids typically erupt? - ANSWERS-age 11-
Which of the following is NOT true in regard to ADHD? a. Treatment may include stimulants b. May cause irritability and impulsiveness c. More common in girls d. Can make it difficult to acquire new skills - ANSWERS-More common in girls
The patient was born with a bilateral cleft lip on the right side. A cleft in this area occurs when what processes fail to fuse during fetal development? - ANSWERS-Maxillary and medial nasal processess
What could the hygienist suggest as a way to help further protect the patient's orofacial area from trauma associated with playing softball?
When the hygienist is probing the periodontal pockets, she uses a probe with millimeters marked at 1, 2, 3, 5, 7 and deeper. What type of probe is this? - ANSWERS-Williams probe
d. the plaque has been removed e. there's no bleeding around the gums - ANSWERS-e. there's no bleeding around the gums
A flat stone may be used to sharpen a curette by hand. The face of the curette should be at what angle to the stone? a. 50-65 degrees b. 75-85 degrees c. 90-100 degrees d. 100-110 degrees e. 125-135 degrees - ANSWERS-d. 100-110 degrees
Radiographic intensifying screens are used for a. magnification b. sharpening the image c. reducing the patient dose d. reflecting harmful rays e. expediting the processing time - ANSWERS-c. reducing the patient dose
After an outbreak of herpetic gingivostomatitis, the herpes simplex virus may remain dormant in which of the following? a. Sensory ganglion b. Salivary Glands c. Blood d. Ligaments e. Lymph nodes - ANSWERS-a. Sensory ganglion
Which of the following is a characteristic of an overdenture? a. No natural teeth remain b. Natural teeth remain c. Used with an overbite d. Used with an underbite e. Covers the denture - ANSWERS-b. Natural teeth remain
Hypersensitivity of a root lessens as the tooth forms which of the following? a. Periodontal Ligament b. Pulp
c. Cavity d. Plaque build-up e. Gingivitis - ANSWERS-c. Cavity
Which of the following is one of the main reasons for a root canal? a. tooth is cracked b. The pulp can't be fixed c. Gums are bleeding d. A cavity is present e. Enamel is worn off - ANSWERS-b.. The pulp can't be fixed
Vital whitening is performed on which of the following? a. Dentures b. Tooth with no live nerve c. Tooth with live nerve d. Cavities e. Tooth roots - ANSWERS-c. Tooth with live nerve
A vasoconductor does which of the following when used in conjunction with Lidocaine?
a. Helps the drug get into the blood stream b. Helps the numbing drug work c. Helps the drug resist breaking down d. Makes the numbness wear off e. Makes the numbness last longer - ANSWERS-e. Makes the numbness last longer
When a periapical abscess forms, it indicates what? a. The gums are infected b. Tooth enamel is worn thin c. A cavity d. A dead or dying tooth root e. Plaque build-up - ANSWERS-d. A dead or dying tooth root
If a dentist is placing a bonded filling, she will do which of the following to ensure the filling bonds to the tooth? a. X-ray the tooth b. Scrape the tooth c. Polish the tooth d. Etch the tooth
b. A tooth with a cavity c. Chipped teeth d. Gaps between teeth e. Teeth with different lengths - ANSWERS-b. A tooth with a cavity
Patients should give informed consent to all dental procedures. Which of the following is not a part of informed consent? a. Informing patients of the risks of treatment b. Patient's agreement to care c. Having a discussion of the treatment options with the patient d. Getting the patient's or guardian's signature e. Obtaining a dental history of the patient - ANSWERS-e. Obtaining a dental history of the patient
While reviewing brushing techniques, the patient exhibits the method that she uses. She brushes with the bristles aimed toward the gingival margin and then rolls the brush toward the occlusal surface. What method is this? a. Fones b. Roll
c. Leonard d. Charters - ANSWERS-b. Roll exp: The Roll method of brushing starts with the bristles at the gum margin and then rolls the brush toward the incisal or occlusal surfaces.
During oral hygiene instruction, the hygienist discloses the patient's teeth with an agent that stains new and mature plaque in red and blue tints. What type of agent does she use? a. Erythrosin b. Disclosing tablet c. Two-tone disclosing solution d. Bismarck Brown - ANSWERS-c. Two-tone disclosing solution exp: Two-tone disclosing solutions will stain new plaque red and mature plaque blue, that way oral hygiene instruction can address areas in the mouth that have developed plaque buildup due to inefficient brushing over time.
The patient lives in a rural area and has a well as her water source. There is no natural fluoridation of the water in the area. The hygienist recommends a weekly supplemental dosage of fluoride. What is the proper dosage for the patient's age? a. 1.0mg
a. Chlorhexidine digluconate b. Stannous Fluoride c. Listerine d. Povidone-iodine - ANSWERS-c. Listerine exp: Listerine is not a commonly used solution for subgingival irrigation following a periodontal procedure. The most common are 0.12% chlorhexidine, 0.4% stannous fluoride and 0.05% povidone- iodine.
The hygienist then demonstrates a brushing method that places the bristles at the attached gingiva and sweeps them up apically, then sweeps over the gingiva and the tooth. What method is this? a. Combination b. Leonard c. Roll d. Stillman's - ANSWERS-c. Roll exp: The roll method involves brushing with the bristles at the gingival margin and sweeping them apically over the gingiva, then sweeping up over the gingiva onto the tooth.
Which of the following is NOT true in regard to ADHD? a. Treatment may include stimulants
b. May cause irritability and impulsiveness c. More common in girls d. Can make it difficult to acquire new skills - ANSWERS-c. More common in girls exp: ADHD is more common in boys. All of the other statements are correct.
Which of the following appearances of gum tissue evident in the patient's mouth would be considered healthy? a. Soft b. Coral/pink c. Shiny with thin epithelial tissue d. Blunted - ANSWERS-b. Coral/pink exp: Healthy gums will appear coral pink in color. They are also firm, pointed in contour and have smooth margins.
What is the most common type of implant? a. Endosteal b. Osseointergrated c. Subperiosteal d. Transosteal - ANSWERS-a. Endosteal
-Self Esteem -Physiological Needs -Actualization -Social Needs - ANSWERS-1. Physiological Needs
What type of test compares actual results versus independent results? a. T-test b. Student's t test c. Chi square test d. Significance level - ANSWERS-c. Chi square test exp: The Chi square test compares actual results versus independent results and provides a comparison that measures the significance of observed and expected frequencies.
In statistics, the p-value describes:
a. Statistical significance b. Different means c. Variability in the sample groups d. How many subjects are needed to provide significance - ANSWERS- a. Statistical significance exp: In statistics, the p-value shows statistical significance, in that it represents the probability that a study could have come to a false conclusion. It shows the strength of the evidence about the population in question. The smaller the p-value, the more significant the findings of the study are considered. A small p-value (typically < 0.05) indicates strong evidence against the null hypothesis, so it can be rejected. A large p-value (typically > 0.05) indicates weak evidence against the null hypothesis, so its rejection fails. A p-value at or close to 0.05 is considered marginal, in that it could go either way.
What type of motivation practice is used when there is the promise of a reward? a. External b. Internal c. Formal d. Informal - ANSWERS-a. External exp: External motivation is described as motivation derived from outside of the individual. Intrinsic motivation stems from the individual them self.
a. Aluminum filters must be no less than 1.5 mm thick for exposures below 70kVp b. Circular tubeheads must be no less than 2 3/4" in diameter c. Rectangular tubeheads must be no less than 1 3/8 by 1 3/4" in diameter d. PID lengths must be no less than 6" - ANSWERS-d. PID lengths must be no less than 6" exp: The statement that PID lengths must be no less than 6" is incorrect. PID lengths must actually be no shorter than 8", 12" or 16", depending on the type of beam.
A diabetic patient arrives having just taken their insulin, but only ate a very light lunch due to having a dental procedure scheduled. During the appointment the patient begins experiencing headache and shakiness. What should the practitioner do? a. Administer nitrous oxide b. Wait until the patient feels better to continue the treatment c. Ask the patient to take more insulin - ANSWERS-d. Have the patient drink a soda exp: Have the patient drink a soda or juice, or have another sugar- containing snack due to a low level of blood sugar. After administering the sugar, monitor the patient.
A diastema between #8 and 9 is marked by: a. One vertical red line between 8/ b. Two vertical red lines between 8/ c. One "v" drawn between 8/ d. Two horizontal red lines between 8/9 - ANSWERS-b. Two vertical red lines between 8/ exp: Two vertical red lines placed between teeth #8 and 9 on a dental chart indicate a diastema between the two teeth.
Which diagnostic method of decay may NOT be appropriate for coronal smooth surface lesions? a. Bitewing x-rays b. DIAGNOdent c. QFL d. Clinical examination - ANSWERS-b. DIAGNOdent exp: DIAGNOdent diagnosis for decay is not appropriate for use on smooth coronal surface lesions. It is for use only in suspected pit and fissure lesions on the occlusal surfaces.
Which of the following Gracey area-specific curettes would be appropriate to use on the mesial of posterior teeth? a. 3/
