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NBDHE Part B (NBDHE Part B) Practice Tests & Test Prep by Exam Edge - Exam Info



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National Board Dental Hygiene Examination Part B - Additional Information

At ExamEdge.com, we focus on making our clients' career dreams come true by offering world-class practice tests designed to cover the same topics and content areas tested on the actual National Board Dental Exam National Board Dental Hygiene Examination Part B (NBDHE Part B) Certification Exam. Our comprehensive National Board Dental Hygiene Examination Part B practice tests are designed to mimic the actual exam. You will gain an understanding of the types of questions and information you will encounter when you take your National Board Dental Exam National Board Dental Hygiene Examination Part B Certification Exam. Our National Board Dental Hygiene Examination Part B Practice Tests allow you to review your answers and identify areas of improvement so you will be fully prepared for the upcoming exam and walk out of the test feeling confident in your results.

Because our practice tests are web-based, there is no software to install and no need to wait for a shipment to arrive to start studying. Your National Board Dental Hygiene Examination Part B practice tests are available to you anytime from anywhere on any device, allowing you to study when it works best for you. There are 5 practice tests available, each with 100 questions and detailed explanations to help you study. Every exam is designed to cover all of the aspects of the NBDHE Part B exam, ensuring you have the knowledge you need to be successful!

National Board Dental Hygiene Examination Part B - Additional Info Sample Questions

During patient assessment, the clinician performs a full mouth probing examination.   The generalized probe readings range from a normal 3 mm sulci to 6 mm pockets at the maxillary molar interproximal areas.  Which of the following may cause a decrease in a periodontal probing depth following initial periodontal therapy?  

Correct Answer:
tissue shrinkage


during a patient's periodontal assessment, the clinician measures the depth of the sulcus or periodontal pocket with a probe. this depth measurement is critical in diagnosing periodontal disease and determining the health of the periodontal tissue surrounding each tooth. in the scenario presented, the patient exhibits probe depths ranging from 3 mm, which is within normal limits, to 6 mm in the interproximal areas of the maxillary molars, indicating deeper pockets and potential periodontal issues.

initial periodontal therapy often involves procedures aimed at reducing these pocket depths and improving tissue health. such procedures typically include scaling and root planing, which remove plaque and calculus (tartar) from below the gum line. the main goal is to eliminate the bacterial toxins that contribute to periodontal disease.

the question specifically asks about factors that might lead to a decrease in periodontal probing depth following initial therapy. the answers provided include calculus removal, tissue shrinkage, root morphology, and furcation involvement. among these, tissue shrinkage is the correct answer that directly leads to a decrease in probing depths.

**calculus removal** is a critical part of periodontal therapy but does not directly cause a decrease in probing depth. instead, it removes the hard deposits that contribute to gum inflammation and bone loss, facilitating healing and potentially helping other treatments, such as tissue shrinkage, to be more effective.

**root morphology** describes the shape and structure of the tooth roots. certain root shapes may predispose teeth to accumulate more plaque and calculus, but altering the root morphology is not a typical outcome of periodontal therapy and does not directly affect probing depth.

**furcation involvement** refers to the condition where periodontal pockets extend into the area between the roots of multi-rooted teeth. addressing furcation involvement is crucial in periodontal therapy, but it does not inherently result in a reduction of probing depths; rather, it is an area that requires specific therapeutic attention.

**tissue shrinkage**, on the other hand, occurs as the inflamed gum tissue heals and returns to a healthier, less swollen state post-treatment. this reduction in inflammation leads directly to a decrease in the depth of periodontal pockets measured during probing. as the gum tissue heals and shrinks, it tightens around the tooth, effectively reducing the pocket depth.

in conclusion, tissue shrinkage following initial periodontal therapy is the primary reason for a decrease in probing depths, as it signifies the resolution of inflammation and the restoration of healthier periodontal tissue. this outcome is a positive indicator of successful periodontal treatment and improved oral health.