Biology

Dental and Oral Biology

967 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

Which of the following is not a type of housing assistance provided to medical students in India by the university?

  1. On-campus housing

  2. Off-campus housing

  3. Homestays

  4. Private apartments

  5. Financial assistance for housing
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Financial assistance for housing is not typically provided as a type of housing assistance to medical students in India by the university.

Multiple choice

What is the most common type of dental infection?

  1. Tooth decay

  2. Gum disease

  3. Abscess

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

Tooth decay, also known as caries, is the most common type of dental infection. It is caused by bacteria that feed on the sugars in food and produce acids that attack the teeth.

Multiple choice

What is an abscess?

  1. A collection of pus in a tooth or gum

  2. A cavity in a tooth

  3. A type of gum disease

  4. A type of oral cancer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An abscess is a collection of pus in a tooth or gum. It is usually caused by a bacterial infection and can be very painful.

Multiple choice

Which dental infection can spread to other parts of the body if left untreated?

  1. Tooth decay

  2. Gum disease

  3. Abscess

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

An abscess can spread to other parts of the body if left untreated. This can lead to serious complications, such as sepsis.

Multiple choice

What is the treatment for tooth decay?

  1. Fillings

  2. Crowns

  3. Root canals

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

The treatment for tooth decay depends on the severity of the decay. Fillings are used to repair small cavities. Crowns are used to protect teeth that have been severely damaged. Root canals are used to treat infections in the pulp of the tooth. Extractions are used to remove teeth that are too badly damaged to be saved.

Multiple choice

What is the treatment for gum disease?

  1. Scaling and root planing

  2. Antibiotics

  3. Surgery

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

The treatment for gum disease depends on the severity of the disease. Scaling and root planing is a deep cleaning procedure that removes plaque and bacteria from the teeth and gums. Antibiotics may be prescribed to treat infections. Surgery may be necessary to treat advanced gum disease.

Multiple choice

When should you see a dentist about a dental infection?

  1. As soon as possible

  2. Within a few days

  3. Within a week

  4. When the pain becomes severe
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

You should see a dentist about a dental infection as soon as possible. Dental infections can spread quickly and can lead to serious complications if left untreated.

Multiple choice

What is the most common type of bacteria that causes dental infections?

  1. Streptococcus mutans

  2. Lactobacillus

  3. Actinomyces

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

Streptococcus mutans is the most common type of bacteria that causes dental infections. This bacteria is found in plaque and can produce acids that attack the teeth and gums.

Multiple choice

Which TRICARE program provides dental coverage to active duty military members and their families?

  1. TRICARE Prime

  2. TRICARE Select

  3. TRICARE Standard

  4. TRICARE Dental Program
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The TRICARE Dental Program provides dental coverage to active duty military members and their families.

Multiple choice

What are the main components of a comprehensive school dental program?

  1. Preventive services, such as fluoride treatments and sealants.

  2. Restorative services, such as fillings and crowns.

  3. Educational programs on oral hygiene and dental health.

  4. Referral services to dental care providers for specialized treatment.
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

A comprehensive school dental program includes preventive, restorative, educational, and referral services to address the oral health needs of students.

Multiple choice

Which of the following is a characteristic feature of the Mewati dialect of Haryanvi?

  1. The use of the dental fricative /ζ/

  2. The use of the palatal fricative /ι/

  3. The use of the labial fricative /κ/

  4. The use of the retroflex flap /ά/
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The use of the dental fricative /ζ/ is a characteristic feature of the Mewati dialect of Haryanvi.

Multiple choice

What type of travel-sized toothbrush is most suitable for kids?

  1. Soft-bristled toothbrush

  2. Electric toothbrush

  3. Sonic toothbrush

  4. Natural bristle toothbrush
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Soft-bristled toothbrushes are generally recommended for kids, as they are gentler on their gums and teeth.

Multiple choice

What is the most common type of malocclusion?

  1. Class I malocclusion

  2. Class II malocclusion

  3. Class III malocclusion

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

Class I malocclusion is the most common type of malocclusion, characterized by a normal relationship between the upper and lower jaws, but with misaligned teeth.

Multiple choice

What is the primary cause of malocclusion?

  1. Genetics

  2. Environmental factors

  3. A combination of genetics and environmental factors

  4. Poor oral hygiene
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Malocclusion is typically caused by a combination of genetic and environmental factors, such as thumb sucking, tongue thrusting, and trauma.

Multiple choice

Which of the following is a common type of orthodontic appliance?

  1. Braces

  2. Aligners

  3. Retainers

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

Braces, aligners, and retainers are all common types of orthodontic appliances used to correct malocclusion.