Dental Assisting National Board Quiz

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Questions: 10 | Attempts: 390 | Updated: Mar 20, 2023

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Dental Assisting National Board Quiz - Quiz

Typical of health professions all around the world, dental assistant occupation in the united states is regulated. The Dental Assisting National Board is saddled with the responsibility of licensing qualified individuals in this profession. The license is issued having passed the compulsory exams for trained dental assistants organized by the regulatory body.

Questions and Answers

1.

What is the most characteristic symptom of halitosis?
- A.
  
  Bad breath
- B.
  
  Pain
- C.
  
  Bleeding
- D.
  
  Weak gum
Correct Answer
A. Bad breath

Explanation
Halitosis, commonly known as bad breath, is the most characteristic symptom of this condition. It is a condition where a person has an unpleasant odor coming from their mouth. This odor can be caused by several factors such as poor oral hygiene, gum disease, dry mouth, certain foods, and smoking. Bad breath can be embarrassing and can affect a person's self-confidence. Therefore, it is important to address the underlying causes and maintain good oral hygiene to prevent and treat halitosis.

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2.

How many teeth does an adult human has?
- A.
  
  32 teeth
- B.
  
  24 teeth
- C.
  
  12 teeth
- D.
  
  28 teeth
Correct Answer
A. 32 teeth

Explanation
An adult human typically has 32 teeth. This includes 8 incisors, 4 canines, 8 premolars, and 12 molars (including 4 wisdom teeth). The number of teeth can vary slightly from person to person, but 32 is the most common number.

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3.

What is cleaning between the teeth called?
- A.
  
  Intradental cleaning
- B.
  
  Interdental cleaning
- C.
  
  Teeth brushing
- D.
  
  Teeth whitening
Correct Answer
B. Interdental cleaning

Explanation
Interdental cleaning refers to the process of cleaning between the teeth. This involves using tools such as dental floss or interdental brushes to remove plaque and food particles from the spaces between the teeth. It is an important part of oral hygiene as it helps prevent gum disease and tooth decay.

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4.

Which of these is most common globally?
- A.
  
  Periodontitis
- B.
  
  Tooth decay
- C.
  
  Gingivitis
- D.
  
  Halitosis
Correct Answer
B. Tooth decay

Explanation
Tooth decay is the most common dental problem globally. It is a condition where the enamel of the tooth is damaged due to the acids produced by bacteria in the mouth. Poor oral hygiene, excessive sugar consumption, and lack of regular dental check-ups are some of the factors that contribute to tooth decay. This condition affects people of all ages and can lead to pain, tooth loss, and other complications if left untreated. Gingivitis, periodontitis, and halitosis are also common dental issues, but tooth decay is the most prevalent worldwide.

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5.

Which of these refers to dental biofilm?
- A.
  
  Dental plaque
- B.
  
  Gingivitis
- C.
  
  Calculus
- D.
  
  Dental soda
Correct Answer
A. Dental plaque

Explanation
Dental biofilm refers to dental plaque, which is a sticky film of bacteria that forms on the teeth. It is a soft, colorless substance that can accumulate on the tooth surface and along the gumline. If not removed through proper oral hygiene practices, dental plaque can harden and turn into calculus, which is a hardened form of plaque. Gingivitis is a common gum disease that is often caused by the accumulation of dental plaque. Dental soda, on the other hand, is not related to dental biofilm.

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6.

Which of these dental conditions is a result of inflammation?
- A.
  
  Gingivitis
- B.
  
  Halitosis
- C.
  
  Oral cancer
- D.
  
  Sensitive teeth
Correct Answer
A. Gingivitis

Explanation
Gingivitis is a dental condition that is caused by inflammation of the gums. It is characterized by red, swollen, and bleeding gums. The inflammation is usually caused by the buildup of plaque and tartar on the teeth, which leads to an immune response and subsequent inflammation of the gums. If left untreated, gingivitis can progress to a more serious condition called periodontitis, which can result in tooth loss. Therefore, gingivitis is the correct answer as it directly relates to inflammation.

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7.

What is the last tooth to grow in the oral cavity called?
- A.
  
  Floss tooth
- B.
  
  Wisdom tooth
- C.
  
  Golden tooth
- D.
  
  Special tooth
Correct Answer
B. Wisdom tooth

Explanation
The last tooth to grow in the oral cavity is called a wisdom tooth. These are the third molars that typically emerge in the late teens or early twenties. They are called wisdom teeth because they come in at a later stage in life when a person is considered wiser. Wisdom teeth can sometimes cause problems such as crowding or impaction, and may need to be removed if they cause pain or other complications.

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8.

How many states in America recognize DANB exams as of 2018?
- A.
  
  39 states
- B.
  
  52 states
- C.
  
  45 states
- D.
  
  30 states
Correct Answer
A. 39 states

Explanation
As of 2018, DANB exams are recognized by 39 states in America.

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9.

How many classes of tooth is present in human oral cavity?
- A.
  
  Four classes
- B.
  
  Two classes
- C.
  
  Three classes
- D.
  
  Five classes
Correct Answer
A. Four classes

Explanation
There are four classes of teeth present in the human oral cavity. These classes are known as incisors, canines, premolars, and molars. Each class of teeth has a specific shape and function in the process of chewing and grinding food. The incisors are used for cutting and biting, canines for tearing, premolars for crushing and grinding, and molars for further grinding and chewing. Together, these four classes of teeth help in the proper breakdown of food during the digestion process.

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10.

What kind of tooth helps in biting?
- A.
  
  Molar
- B.
  
  Premolar
- C.
  
  Canine
- D.
  
  Incissor
Correct Answer
D. Incissor

Explanation
Incisors are the front teeth in the mouth that have sharp edges, making them ideal for biting into food. They are located in the front of the mouth and are used for cutting and shearing food. Incisors play a crucial role in the initial stages of the digestion process by breaking down food into smaller, more manageable pieces.

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