Biology

Dental and Oral Biology

924 Questions

Dental and Oral Biology focuses on the structure, development, and function of teeth and oral tissues. It covers key concepts like dental formulas, tooth eruption, and common oral diseases. These topics are essential for medical and biology entrance examinations.

Dental formulaTooth anatomyMilk teethOral diseasesTooth decay

Dental and Oral Biology Questions

Multiple choice

What is tooth sensitivity?

  1. A condition in which the teeth are more sensitive to hot or cold temperatures

  2. A condition in which the teeth are more sensitive to sweet or sour foods

  3. A condition in which the teeth are more sensitive to pressure

  4. A condition in which the teeth are more sensitive to all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Tooth sensitivity is a condition in which the teeth are more sensitive to hot, cold, sweet, sour, or pressure. This can be caused by a number of factors, including worn tooth enamel, exposed tooth roots, and gum recession.

Multiple choice

What are the most common causes of tooth sensitivity?

  1. Worn tooth enamel

  2. Exposed tooth roots

  3. Gum recession

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The most common causes of tooth sensitivity are worn tooth enamel, exposed tooth roots, and gum recession. Worn tooth enamel can be caused by brushing too hard, using a hard-bristled toothbrush, or eating acidic foods and drinks. Exposed tooth roots can be caused by gum recession, which can be caused by periodontal disease, aggressive brushing, or trauma. Gum recession can also be caused by aging.

Multiple choice

How is tooth sensitivity diagnosed?

  1. By asking the patient about their symptoms

  2. By examining the patient's teeth and gums

  3. By taking X-rays of the patient's teeth

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Tooth sensitivity is diagnosed by asking the patient about their symptoms, examining the patient's teeth and gums, and taking X-rays of the patient's teeth.

Multiple choice

How is tooth sensitivity treated?

  1. Using a toothpaste for sensitive teeth

  2. Applying a desensitizing agent to the teeth

  3. Using a mouth rinse for sensitive teeth

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Tooth sensitivity can be treated using a toothpaste for sensitive teeth, applying a desensitizing agent to the teeth, and using a mouth rinse for sensitive teeth.

Multiple choice

When should you see a dentist about tooth sensitivity?

  1. If the pain is severe

  2. If the pain lasts for more than a few days

  3. If the pain interferes with your daily activities

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

You should see a dentist about tooth sensitivity if the pain is severe, if the pain lasts for more than a few days, or if the pain interferes with your daily activities.

Multiple choice

What is the most common cause of tooth sensitivity in children?

  1. Cavities

  2. Gum disease

  3. Tooth decay

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The most common cause of tooth sensitivity in children is cavities. Cavities are caused by bacteria that feed on the sugars in food and produce acids that attack the teeth. This can lead to tooth decay, which can cause pain and sensitivity.

Multiple choice

What is the most common cause of tooth sensitivity in adults?

  1. Gum recession

  2. Worn tooth enamel

  3. Tooth decay

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The most common cause of tooth sensitivity in adults is gum recession. Gum recession is caused by the loss of gum tissue, which can expose the roots of the teeth. This can lead to pain and sensitivity.

Multiple choice

What are some things that can make tooth sensitivity worse?

  1. Eating and drinking hot or cold foods and drinks

  2. Eating and drinking sweet or sour foods

  3. Brushing and flossing your teeth too hard

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Some things that can make tooth sensitivity worse include eating and drinking hot or cold foods and drinks, eating and drinking sweet or sour foods, and brushing and flossing your teeth too hard.

Multiple choice

What is the most common cause of tooth sensitivity in people with cancer?

  1. Radiation therapy

  2. Chemotherapy

  3. Immunotherapy

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The most common cause of tooth sensitivity in people with cancer is radiation therapy. Radiation therapy can damage the salivary glands, which can lead to dry mouth. Dry mouth can cause tooth sensitivity and other problems.

Multiple choice

What is the common name for the third molars?

  1. Wisdom Teeth

  2. Molars

  3. Canines

  4. Incisors
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Wisdom teeth are the four permanent molars that typically erupt between the ages of 17 and 25.

Multiple choice

Why are wisdom teeth often removed?

  1. To prevent overcrowding

  2. To avoid infection

  3. To improve oral hygiene

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Wisdom teeth can be removed for various reasons, including preventing overcrowding, avoiding infection, and improving oral hygiene.

Multiple choice

What is the most common complication associated with wisdom teeth?

  1. Impaction

  2. Cavities

  3. Gum disease

  4. Root canal
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Impaction occurs when a wisdom tooth is unable to fully erupt and remains trapped within the jawbone.

Multiple choice

What is the surgical procedure for removing wisdom teeth called?

  1. Extraction

  2. Impaction removal

  3. Wisdom tooth surgery

  4. Third molar surgery
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Wisdom tooth surgery is the surgical procedure performed to remove wisdom teeth.

Multiple choice

What is the term for a wisdom tooth that is partially erupted?

  1. Impacted

  2. Semi-impacted

  3. Partially erupted

  4. Unerupted
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A partially erupted wisdom tooth is one that has only partially emerged from the gum tissue.

Multiple choice

What is the term for a wisdom tooth that is completely hidden within the jawbone?

  1. Impacted

  2. Semi-impacted

  3. Partially erupted

  4. Unerupted
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

An unerupted wisdom tooth is one that has not yet emerged from the jawbone.