National Dental Hygiene Certification Exam (NDHCE) Practice

These questions are part of the practice quiz. Start practicing

• How long do desensitizing toothpastes need to be used before they are effective?
• Which type of fluoride treatment is most beneficial for patients with special health care needs?
• Which gland produces the most saliva?
• Which of the following is NOT a common sign of gingivitis?
• What causes the staining associated with chlorhexidine?
• Which component in mouth rinses is primarily responsible for reducing the risk of caries?
• What is zinc phosphate used for in dentistry?
• What type of staining is more difficult to remove than green stain?
• How long does it take for plaque to mineralize into calculus?
• Fosamax is used to treat or prevent what condition?
• How much toothpaste should a child younger than 3 years use?
• Which shape characterizes the globulomaxillary cyst?
• Green stains on teeth are often linked to which of the following?
• A deficiency in which vitamin can lead to cheilosis and glossitis?
• What complication is commonly associated with cyclosporine use after an organ transplant?
• Which food is considered a good source of potassium?
• What is a key characteristic of gingival inflammation related to color?
• What is bimanual palpation in dental examination?
• What is the term for the merging of three surfaces on a tooth?
• Alcohol and tobacco use significantly increase the risk for which type of cancer?
• What is Pica?
• What is the maximum level of fluoride allowed for home use?
• Angular cheilitis is commonly associated with a deficiency in which vitamin?
• Which fluoride application is known for immediate absorption by enamel?
• For what condition is the Trendelenburg position primarily indicated?
• How do vasoconstrictors affect the absorption rate of local anesthetics?
• What occurs in a class III furcation compared to a class II furcation?
• What dental mobility class is defined by 1mm of horizontal movement?
• Which tooth is known for having an oblique ridge?
• Which class of tooth mobility ranges from 1-2mm in horizontal facial/lingual direction?
• Which type of hepatitis is most often asymptomatic?
• What type of lupus is primarily characterized by skin symptoms?
• What is a common use for 2% neutral sodium fluoride?
• What technique is used to assess the thyroid gland?
• What is the Trendelenburg position?
• Which ultrasonic tip is characterized by being curved with a ball on the end?
• Which of the following uses for utility wax is correct?
• Which teeth are classified as succedaneous?
• What is eugenol primarily known for in dental practice?
• What percentage of saliva is produced by the sublingual gland?
• What does the deft index measure?
• Dark brown stains on teeth are typically associated with what behavior?
• What is a common side effect of Hydrochlorothiazide?
• In which tooth structure are Korff's fibers located?
• What are the three primary treatment options for oral cavity cancer?
• Why is it important to understand the metabolism of local anesthetics?
• Where are the papilla of the tongue located?
• Which of the following is a practice to prevent cross-contamination in dental settings?
• Why is it important to monitor the amount of toothpaste used by children?
• Which characteristic of essential oils is associated with their action against plaque and gingivitis?
• What defines an ASA 3 classification?
• Are fixed nodes a concern in dental hygiene practice?
• Where is the parotid duct located?
• What type of cyst is a simple bone cyst?
• What type of radiolucency is typically associated with a class II furcation?
• What is the role of calcium hydroxide in dentistry?
• At what age is a child most at risk for dental fluorosis affecting permanent teeth?
• Which artery is typically used to measure blood pressure in adults?
• In a class II furcation, what does the probe indicate?
• Patients with an increased risk for bacterial endocarditis should rinse with chlorhexidine how long before treatments?
• How can bulky tumors in the oral cavity be effectively reduced?
• Which type of hepatitis does not have a vaccine available?
• What type of cells are erythrocytes?
• Which microorganism does chlorhexidine primarily suppress?
• What characterizes a class I furcation?
• What does a typical finding indicate in extraoral/intraoral examinations?
• What concentration range is considered 'high concentration hydrogen peroxide'?
• Is a release form of refusal considered legally binding?
• What is the location of the sublingual gland?
• What prevents the occurrence of a pear-shaped cyst?
• Where is a simple bone cyst most commonly found?
• What characterizes a Class II caries lesion?
• What is a disadvantage of using boil and bite mouth guards?
• What characterizes a black line stain?
• After how many hours is the chance of an avulsed tooth successfully recovering diminished?
• Which is a common side effect of using local anesthetics?
• What does the diastolic reading in blood pressure measurements indicate?
• Which class of furcation can be detected by probing but does not allow for complete penetration?
• What is typically used to treat sensitivity in teeth?
• What is a primary side effect of Cyclosporine, also known as Sandimmune?
• Which of the following is a primary reason for using utility wax in dental procedures?
• What is a normal periodontal change associated with aging?
• Which of the following is associated with increased patient comfort during periodontal treatment?
• What effect can local anesthetics have on seizure activity?
• Which nutrient is recommended for patients with poor wound healing?
• What is the function of glass ionomer material?
• What type of hepatitis typically does not show up on blood work?
• Which of the following is a characteristic of essential oils?
• Which group of drugs is most likely to cause xerostomia?
• Which ASA classification is characterized by mild systemic diseases such as controlled hypertension and obesity?
• Which type of papillae is most anterior on the tongue?
• What are possible side effects of taking Fosamax?
• Under which law do individuals maintain the right to keep their group health insurance after job loss?
• Which is true regarding class I furcation compared to class IV furcation?
• What is bilateral palpation?
• What defines a class III malocclusion?
• What impact do vasoconstrictors have on local anesthetic procedures?
• Vitamin D deficiency can lead to which dental issue?
• Hydrochlorothiazide is primarily used for what purpose?
• Which sign is NOT commonly associated with hypoglycemia?
• Fluoride varnish is classified as what type of treatment?
• If a patient suffers from xerostomia, what type of fluoride should be administered?
• Which demographic is most commonly affected by nasopalatine canal cysts?
• What is the earliest clinical sign of radiation exposure?
• Why is it important to assess lymph nodes in a dental exam?
• What is a common characteristic of traumatic bone cysts?
• Where are the subclavicular nodes located?
• What type of cyst is often described as heart-shaped?
• Which type of local anesthetics is metabolized primarily in the liver?
• Patients with an ASA 4 classification are experiencing which of the following?
• What is a potential consequence of applying fluoride incorrectly?
• What is a characteristic of vitamins in the body?
• How difficult is it to remove chlorhexidine staining?
• Which group of nodes is commonly enlarged after an infection?
• Which lifestyle choice is a significant risk factor for developing periodontal disease?
• What is the duration of the period during which patients experience severe periodontal disease due to cyclic neutropenia?
• Approximately how long should one wait to have oral care completed following a cerebrovascular accident?
• What condition does dry mouth increase the risk for?
• Under what circumstances should EMS be called for a patient experiencing a seizure?
• What are the two oblique elevations found laterally from the lingual frenum?
• How does the metabolism of amide local anesthetics differ from that of ester local anesthetics?
• What type of fluoride should be used on patients with porcelain veneers?
• What are the three categories in head and neck examinations?
• What factors can cause a more active state of lupus?
• What is one common symptom of trigeminal neuralgia?
• What characterizes Kaposi's sarcoma?
• Where are amide local anesthetics metabolized in the body?
• What condition is associated with bluish-green stains on teeth?
• Which class of furcation indicates a larger radiolucency that is clinically visible?
• Why should local anesthetics be used with caution in individuals who experience seizures?
• Where are the occipital nodes located?
• In dental terminology, what is NOT a primary function of macrophages in the immune response?
• What is the purpose of adding vasoconstrictors to local anesthetics?
• Where is perimolysis most commonly observed in patients with bulimia?
• What substance does lactobacillus produce?
• For what purpose is utility wax primarily used in dental settings?
• What characterizes a class III furcation?
• What is the most common initial manifestation of a penicillin allergy?
• Monocytes, when transported to tissues, are referred to as what?
• What is an important pre-treatment protocol for patients at risk of endocarditis?
• For adults with no clinical caries and/or low risk for caries, how often are radiographs recommended?
• Which of the following are signs of hypoglycemia?
• What is the primary purpose of a periodontal dressing?
• What nutrient are anorexics most commonly deficient in?
• What structure houses Wharton's duct?
• What does the term "succedaneous" refer to in dentistry?
• What is the main cause of primary herpetic gingivostomatitis?
• How does green stain become intrinsic?
• What effect does fluoride have at high concentrations?
• What oral hygiene issue is typically associated with poor oral hygiene among patients?
• Which virus is known to be most resistant to disinfective agents?
• How far above the hairline are the occipital nodes located?
• How long should you wash your hands between clients?
• If fluoride is applied to a child without parental permission, this is considered what?
• Which disease is caused by decreased function of the anterior pituitary gland?
• What instrument is best for removing subgingival calculus in a Class II furcation?
• How often should a child with a transitioning dentition be prescribed radiographs if they are at high caries risk?
• Which systemic condition might be considered in ASA 2 classification linked to pregnancy?
• What concentration of alcohol is considered effective for disinfection?
• What should you do if you notice hypertrophy of the masseter muscle during an extraoral examination?
• What is the significance of enlarged lymph nodes in an oral examination?
• Which function is NOT associated with sticky wax?
• What is the most reliable evidence that periodontal disease has stopped?
• What are neutrophils primarily responsible for?
• What defines a class IV furcation?
• What is the inner canthus of the eye?
• Which condition often correlates with Pica?
• What type of mouth rinse should tobacco smokers avoid?
• What should be done if a patient is contraindicated for a particular local anesthetic?
• What surfaces does the oblique ridge run from?
• Which vitamin is not fat soluble?
• What does the systolic pressure measure?
• What defines a Class I caries lesion?
• Which extrinsic stain has the potential to become intrinsic?
• Which structure is primarily responsible for producing saliva?
• When does the pellicle form on the teeth?
• Where is the nasopalatine canal cyst typically located?
• What is sticky wax commonly used for in dental applications?
• What does fogging of the oxygen mask indicate?
• What distinguishes a Class III caries lesion?
• What percentage of saliva is produced by the parotid gland?
• What is the ASA 5 classification indicative of?
• Which ASA classification indicates a patient with severe systemic disease that poses a constant threat to life?
• What defines Class III tooth mobility?
• What is a pellicle in dental terminology?