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DOH Dental Hygienist (DOH-DT) Practice Tests & Test Prep by Exam Edge - Free Test


Our free DOH Dental Hygienist (DOH-DT) Practice Test was created by experienced educators who designed them to align with the official Department of Health (DOH) Abu Dhabi content guidelines. They were built to accurately mirror the real exam's structure, coverage of topics, difficulty, and types of questions.

Upon completing your free practice test, it will be instantly reviewed to give you an idea of your score and potential performance on the actual test. Carefully study your feedback to each question to assess whether your responses were correct or incorrect. This is an effective way to highlight your strengths and weaknesses across different content areas, guiding you on where to concentrate your study efforts for improvement on future tests. Our detailed explanations will provide the information you need to enhance your understanding of the exam content and help you build your knowledge base leading you to better test results.

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DOH Dental Hygienist - Free Test Sample Questions

For maximum benefit, patients should brush their teeth with fluoridated toothpaste at least how often?





Correct Answer:
twice per day.


the recommended frequency for brushing teeth with fluoridated toothpaste to maximize oral health benefits is twice per day. this practice is endorsed by dental professionals globally, including the american dental association (ada). brushing twice a day helps to remove plaque, a sticky film of bacteria that forms on the teeth and gums after eating. plaque bacteria use sugars from the food we eat to produce acids that can damage tooth enamel and lead to dental cavities.

fluoride in toothpaste enhances the process of remineralization, which is the natural repair of enamel by minerals from saliva. by brushing in the morning and before bedtime, fluoride has a better chance to work effectively, providing a protective barrier throughout the day and during sleep when saliva flow decreases, which otherwise increases the risk of tooth decay.

furthermore, brushing twice daily helps to maintain healthy gums by preventing the buildup of plaque at the gum line, reducing the risk of developing gingivitis, the early stage of gum disease. it also aids in removing food particles and reducing the likelihood of developing bad breath.

patients with inconsistent brushing habits or high-risk factors for dental diseases, such as a history of frequent cavities or existing gum disease, may require additional fluoride treatments or more frequent dental check-ups. these additional measures help to ensure that their oral health is maintained and that any emerging issues are addressed promptly.

in conclusion, brushing with fluoridated toothpaste twice per day is essential for maintaining optimal dental health. it prevents the development of cavities, supports the health of the gums, and contributes to the overall effectiveness of daily personal oral hygiene routines. dental professionals play a crucial role in educating and motivating patients to adhere to this practice for long-term oral health benefits.