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

Which of the following is NOT a common type of dental disciplinary action?

  1. License revocation

  2. License suspension

  3. Probation

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

Censure is not a common type of dental disciplinary action. License revocation, license suspension, and probation are all more common types of dental disciplinary action.

Multiple choice

What is the legal term for a dentist's duty to maintain patient confidentiality?

  1. Patient-dentist privilege

  2. Informed consent

  3. Non-maleficence

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

Patient-dentist privilege is the legal term for a dentist's duty to maintain patient confidentiality. It is a type of evidentiary privilege that protects the privacy of patient-dentist communications.

Multiple choice

What is the legal term for a dentist's duty to provide continuing care to a patient?

  1. Duty to treat

  2. Informed consent

  3. Non-maleficence

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

Duty to treat is the legal term for a dentist's duty to provide continuing care to a patient. It is a type of legal obligation that arises from the dentist-patient relationship.

Multiple choice

What was the primary role of the ancient Egyptian dentist?

  1. To extract teeth

  2. To fill cavities

  3. To make dentures

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

Ancient Egyptian dentists were skilled in performing a variety of dental procedures, including tooth extraction, cavity filling, and denture making.

Multiple choice

What is the term for the hard tissue that covers the crown of a tooth?

  1. Enamel

  2. Dentin

  3. Cementum

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

Enamel is the hardest tissue in the human body and is composed of hydroxyapatite crystals.

Multiple choice

What is the term for the soft tissue that fills the pulp chamber and root canals of a tooth?

  1. Enamel

  2. Dentin

  3. Cementum

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

The pulp contains blood vessels, nerves, and connective tissue.

Multiple choice

What is the term for the hard tissue that forms the bulk of a tooth?

  1. Enamel

  2. Dentin

  3. Cementum

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

Dentin is a calcified tissue that is softer than enamel but harder than cementum.

Multiple choice

What is the term for the thin layer of tissue that covers the root of a tooth?

  1. Enamel

  2. Dentin

  3. Cementum

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

Cementum is a calcified tissue that helps to anchor the tooth in the jawbone.

Multiple choice

What is the term for the space between two teeth?

  1. Interdental space

  2. Gingival sulcus

  3. Periodontal ligament

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

The interdental space is the space between two adjacent teeth.

Multiple choice

What is the term for the groove that runs along the biting surface of a tooth?

  1. Fissure

  2. Groove

  3. Pit

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

A fissure is a deep, narrow groove in the biting surface of a tooth.

Multiple choice

What is the term for the small depression on the biting surface of a tooth?

  1. Fissure

  2. Groove

  3. Pit

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

A pit is a small, shallow depression on the biting surface of a tooth.

Multiple choice

What is the term for the pointed projection on the biting surface of a tooth?

  1. Fissure

  2. Groove

  3. Pit

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

A cuspid is a pointed projection on the biting surface of a tooth.

Multiple choice

What is the term for the tissue that surrounds and supports the teeth?

  1. Gingiva

  2. Periodontal ligament

  3. Alveolar bone

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

The gingiva is the tissue that surrounds and supports the teeth.

Multiple choice

What is the term for the ligament that connects the tooth to the jawbone?

  1. Gingiva

  2. Periodontal ligament

  3. Alveolar bone

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

The periodontal ligament is the ligament that connects the tooth to the jawbone.

Multiple choice

What is the term for the bone that supports the teeth?

  1. Gingiva

  2. Periodontal ligament

  3. Alveolar bone

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

The alveolar bone is the bone that supports the teeth.