Download NBDHE Test Bank Multiple Choice Questions & Answers Latest 2025-2026 and more Exams Dental Anatomy in PDF only on Docsity!
NBDHE Test Bank Multiple Choice
Questions and Well Researched
Answers Latest Edition 2025-
Graded A
______ is the union of two normally separated tooth germs and can be complete or incomplete. Gemination Conrescence Dilaceration Fusion - ANSFusion _______ are clusters of ectopic glands that are commonly found on the buccal mucosa or vermillion border of the lips. Fordyce granules Lipomas Sialoliths Varicosities - ANSFordyce granules ___________ is the pathological loss of tooth structure due to a chemical process. Abfraction Erosion Abrasion Attrition - ANSErosion ______________ is the body's primary source of energy.
Fructose Sucrose Glycogen Galactose Glucose - ANSGlucose __________________ is the set of metabolic pathways that breaks down molecules into smaller units to release energy. Catabolism Metabolism Anabolism Botulism - ANSCatabolism A 31 year old patient currently use a half pack of cigarettes per day. The periodontal assessment reveals 6mm pocket depth in the posterior maxillary quadrants. Radiographs confirm localized 20% bone loss around the maxillary molars. Based on this information, what is the periodontal stage and grade for this patient? Stage II grade B Stage II grade C Stage III grade B Stage III grade C - ANSStage 3 grade C A 5-year-old patient has just moved from a non-fluoridated region to a fluoridated region to go to school. Currently this patient uses fluoridated toothpaste. What would your recommendation be for additional fluoride? 0.05% sodium fluoride rinse
A child has a maxillary incisor protrusion, and anterior open bite, crowded lower anteriors, and a high-palatal vault. Which of the following could be the cause? Thumb sucking Mouth breathing Tongue thrusting Using a pacifier Nocturnal bruxism - ANSThumb sucking A composite restoration is placed on tooth #11. What is this an example of? Primary prevention Secondary prevention Tertiary prevention None of the above - ANSSecondary prevention A curette design feature that limits the potential for tissue damage when used subgingivally is: Contra-angled shank Convex back Concave back Two cutting edges - ANSConvex back A deficiency in which of the following can result in beriberi? Thiamin (B1) Riboflavin (B2) Niacin (B3)
Folate - ANSThiamin (B1) A deficiency in which of the following can result in pailor of the tongue and atrophy of the lingual papillae? Cobolamin (B12) Thiamin (B1) Niacin (B3) Biotin (B7) - ANSBiotin (B7) A deficiency in which vitamin can cause cheilosis and glossitis? Vitamin A Riboflavin Vitamin D Vitamin E - ANSRiboflavin A deficiency of ascorbic acid is called scurvy. Women taking oral contraceptives may avoid scurvy related problems by eating more fruits and vegetables. The statement is true but the reason is not related The statement is true and the reason is related The statement is false and the reason is not related The statement is false but the reason is true - ANSThe statement is true and the reason is related A deficiency of thiamin (vitamin B1) in the diet causes: Osteopenia Beriberi
A drug ending in the suffix "-pril" is considered a __________. Antibiotic ACE inhibitor Antifungal Beta antagonist - ANSACE inhibitor A drug ending in the suffix "-tidine" is considered a ___________. Antidepressant Protease inhibitor Beta antagonist H2 antagonist - ANSH2 antagonist A hard, dark brown or black spot on the clinical crown of a tooth of a 75- year-old person is probably: Caries that has arrested Melanin in tooth that was deposited Stain from an amalgam restoration Hemorrhage of a blood clot in the gingiva during tooth eruption - ANSCaries that has arrested A hygienist is doing an extraoral examination and asks the patient to swallow. She detects something bilateral of the midline of the cervix, what could she have detected? Submental lymph nodes Thyroid gland Deep cervical lymph nodes Supraclavicular lymph nodes - ANSThyroid gland
A lack of folic acid during pregnancy may result in which of the following birth defects? Child with spinal bifida Child with down syndrome Child with dyslexia Child with multiple sclerosis - ANSChild with spinal bifida A local anesthetic block is needed for a debridement in the lower right quadrant. What is an anatomical landmark used when administering this injection? Glossopalatine arch Retromolar pad Pterygomandibular raphe Pharyngopalatine arch - ANSPterygomandibular raphe A local church group donates money to the dental clinic and specifies that the money must go to purchasing toothbrushes. What type of grant was used? Block grant Line item grant Corporate fund grant Community fund grant - ANSLine item grant A macular or papular skin rash is characteristic pf which stage of syphilis? Primary Secondary
A patient agreed to have scaling and root planing performed by verbally agreeing to the procedure. This type of civil law contract is considered implied consent. This statement is correct This statement is false - ANSThis statement is false A patient asks you what vitamin is best for eye sight. Your response is: Vitamin B Vitamin C Vitamin A Vitamin B6 - ANSVitamin A A patient being seen in office to receive a dental implant would be receiving what type of prevention service? Primary Secondary Tertiary Periodontal therpay - ANSTertiary A patient indicates on their health history that they suffered from a stroke 9 months ago. No long term complications arose. What is this patient's ASA classification? ASA I ASA II ASA III ASA IV - ANSASA III
A patient is diagnosed with congestive heart failure and must follow a specific diet. Which spices are okay for the patient to use daily? Onion salt and garlic powder Ginger and bay leaves Sea salt and pepper Garlic sodium and nutmeg - ANSGinger and bay leaves A patient is interested in having restorative treatment completed on teeth #6-11 due to esthetic concerns to cover the facial surfaces. There are no present restorations on any of the teeth; they are all virgin teeth. What would be the best choice of restoration for this patient? Veneers Crowns Composite resin Onlay - ANSVeneers A patient is taking antacids regularly. Which of the following , if taken with the antacids, can cause a decrease in the absorption of the medication? Acetaminophen Tetracycline Codeine Penicillin - ANSTetracycline A patient presents with a white, lacy patch that can be wiped off of the buccal mucosa. A red base is left behind. What does this patient have? Hairy leukoplakia Speckled leukoplakia
Vitamin D Vitamin K - ANSVitamin D A patient was recently admitted to the hospital for a Deep Vein Thrombosis and was started on Coumadin. Which food below should be avoided? Bananas Cheese Spinach Processed meats - ANSSpinach A patient who has sporadically brushed their teeth in the past is now brushing every morning before work. Which step of the learning ladder describes this patient? Awareness Habit Involvement Action - ANSAction A possible result of vitamin D deficiency is: Night blindness Enamel hypoplasia Glossitis Oral leukoplakia - ANSEnamel hypoplasia A provider who allows patient to refuse radiographs for multiple years in a row is not adhering to which dental hygiene core value? Autonomy
Beneficence Nonmaleficence Veracity - ANSNonmaleficence A sealant is placed in February, on the recall appointment in August it is no longer present, what is the most common reason for sealant failure? Saliva contamination Broken curing light Using weak sealant material Poor tooth selection - ANSSaliva contamination A three unit bridge is an example of which type of prevention? Final stage prevention Tertiary Secondary Primary - ANSTertiary A tooth demonstrates moderate bone loss, and a probe can enter the furcation but it cannot pass through the roots. What is the classification of this furcation? Class I Class II Class III Class IV - ANSClass II
Pandemic - ANSPandemic A young patient presents with painful oral lesions that occur on the keratinized tissue. The gingiva appears inflamed and swollen and the patient''s mother reports that the child has experienced fever and malaise recently. The signs and symptoms of this condition most likely mean that the patient is suffering from: Major aphthous stomatiitis Acute herpetic gingivostomatitis Minor aphthous stomatitis Herpetiform aphthous stomatitis - ANSAcute herpetic gingivostomatitis Accessory (lateral) pulp canals extend: Toward the cementum vertically As a bridge between two pulp canals From the chamber, parallel to another pulp canal From pulp tissue to the periodontal ligament - ANSFrom pulp tissue to the periodontal ligament According to FDA standards, desensitizing toothpastes are those that contain ________________ as an active ingredient. 5% potassium chloride 5% potassium nitrate Either 5% potassium chloride or 5% potassium nitrate 3% potassium nitrate - ANS5% potassium nitrate
According to the 2017 AAP classification system, disease GRADING is an indication of what? Severity of disease Extent of disease Rate of progression of the disease Classification of the disease - ANSRate of progression of the disease Acidulated fluoride formulations are capable of ____________ ceramics. Polishing Etching Preserving None of the above - ANSEtching After periodontal surgery, sutures serve what purpose? Maintain wound size Maintain soft tissue adaptation Protect the tissue from trauma Decrease the size of the clot - ANSMaintain soft tissue adaptation After removing your patient's periodontal dressing, there is a white patchy area where the dressing was placed. This patching is most likely: Plaque Eugenol Calculus Made of dead cells and tissue debris - ANSMade of dead cells and tissue debris
All are advantages of using dental amalgam except one. Which one is the EXCEPTION? Least technique sensitive permanent restoration material Long lasting and cost effective restorative material Amalgam restorations are very strong and can withstand extreme biting forces They expand and contract due to temperature - ANSThey expand and contract due to temperature All groups in a crossover design receive the same treatments, but not in the same order. In a split mouth design, all study participants receive two or more treatments to a separate unit of the mouth. First statement is true, second statement is false First statement is false, second statement is true Both statements are true Both statements are false - ANSBoth statements are true All of the following antibiotics can be given to a patient that requires premedication if they have a penicillin allergy EXCEPT: Amoxicillin Azithromycin Clindamycin Clarithromycin - ANSAmoxicillin All of the following are ACE inhibitors EXCEPT: Lisinopril
Captopril Elanapril Verapamil - ANSVerapamil All of the following are adrenergic agonists EXCEPT: Albuterol Epinephrine Lorazepam Pseudoephedrine - ANSLorazepam All of the following are associated with occlusal trauma EXCEPT: Alveolar bone loss Increase in tooth mobility Formation of periodontal pockets Increase in width of the periodontal ligament space - ANSFormation of periodontal pockets All of the following are blood-borne pathogens except one. Which one is the exception? Hepatitis B Hepatitis C Hepatitis D Hepatitis E - ANSHepatitis E All of the following are cardiac conditions that warrant antibiotic premedication EXCEPT: Artificial heart valves
