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
Which of the following is NOT a common type of dental appointment reminder?
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Phone call
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Email
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Text message
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Postal mail
D
Correct answer
Explanation
While phone calls, emails, and text messages are commonly used for appointment reminders, postal mail is less frequently used due to its slower delivery time.
Which of the following is NOT a common type of dental office sterilization method?
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Autoclaving
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Chemical disinfection
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Heat sterilization
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Ultraviolet light sterilization
D
Correct answer
Explanation
Ultraviolet light sterilization is not a common method of dental office sterilization as it is less effective in killing bacteria and viruses compared to other methods such as autoclaving, chemical disinfection, and heat sterilization.
What is the most common type of cleft lip and palate?
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Unilateral cleft lip
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Bilateral cleft lip
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Unilateral cleft palate
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Bilateral cleft palate
A
Correct answer
Explanation
Unilateral cleft lip is the most common type, occurring on one side of the lip and palate.
Which dental procedure utilizes regenerative medicine principles to promote the regeneration of lost tooth structure?
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Dental implants
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Root canal therapy
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Pulp capping
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Direct pulp capping
D
Correct answer
Explanation
Direct pulp capping is a dental procedure that involves placing a biocompatible material directly onto the exposed pulp tissue to promote its regeneration and preserve the vitality of the tooth.
Which dental procedure utilizes regenerative medicine principles to promote the regeneration of lost enamel?
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Dental implants
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Root canal therapy
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Enamel matrix derivative (EMD) therapy
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Fluoride treatment
C
Correct answer
Explanation
Enamel matrix derivative (EMD) therapy is a regenerative medicine approach that involves applying a protein-based material derived from developing enamel to the tooth surface to promote the regeneration of lost enamel.
Which type of orthodontic appliance is commonly used to move teeth?
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Braces
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Aligners
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Retainers
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Headgear
A
Correct answer
Explanation
Braces are the most common type of orthodontic appliance used to move teeth. They consist of brackets that are bonded to the teeth and connected by wires, which gradually move the teeth into the desired position.
What is the role of retainers in orthodontic treatment?
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To move teeth
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To retain the teeth after orthodontic treatment
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To prevent tooth decay
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To relieve pain
B
Correct answer
Explanation
Retainers are used to maintain the position of the teeth after orthodontic treatment. They are typically worn at night or for a specified period of time to prevent the teeth from shifting back to their original position.
What is the most common type of malocclusion?
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Overbite
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Underbite
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Crossbite
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Open bite
A
Correct answer
Explanation
Overbite is the most common type of malocclusion, where the upper teeth overlap the lower teeth vertically to a greater extent than normal.
What is the term used to describe the process of moving teeth through bone?
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Tooth eruption
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Tooth migration
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Tooth movement
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Tooth remodeling
C
Correct answer
Explanation
Tooth movement is the process by which teeth are moved through bone in response to orthodontic forces. This process involves the remodeling of bone around the teeth, allowing them to move to their desired positions.
Which type of orthodontic treatment is commonly used to correct jaw discrepancies?
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Braces
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Aligners
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Retainers
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Orthognathic surgery
D
Correct answer
Explanation
Orthognathic surgery is a surgical procedure used to correct jaw discrepancies. It involves repositioning the jaws to improve their alignment and function.
What is the term used to describe the ideal relationship between the upper and lower teeth when the jaws are closed?
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Occlusion
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Malocclusion
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Overbite
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Underbite
A
Correct answer
Explanation
Occlusion refers to the ideal relationship between the upper and lower teeth when the jaws are closed. It involves proper alignment, contact, and function of the teeth.
Which type of orthodontic appliance is commonly used to expand the palate?
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Braces
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Aligners
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Retainers
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Palatal expanders
D
Correct answer
Explanation
Palatal expanders are orthodontic appliances used to expand the palate, creating more space for the teeth. They are commonly used to correct crossbites and other dental irregularities.
Which type of orthodontic treatment is commonly used to treat sleep apnea?
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Braces
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Aligners
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Retainers
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Mandibular advancement devices
D
Correct answer
Explanation
Mandibular advancement devices are orthodontic appliances used to treat sleep apnea. They work by repositioning the lower jaw forward to improve airflow and reduce the risk of airway obstruction during sleep.
What is the term used to describe the process of aligning the teeth and jaws to improve their function and aesthetics?
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Occlusion
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Malocclusion
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Orthodontic treatment
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Dentofacial orthopedics
C
Correct answer
Explanation
Orthodontic treatment is the process of aligning the teeth and jaws to improve their function and aesthetics. It involves the use of orthodontic appliances to move teeth and correct bite problems.
Which type of orthodontic treatment is commonly used to treat temporomandibular joint disorders (TMD)?
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Braces
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Aligners
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Retainers
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Occlusal splints
D
Correct answer
Explanation
Occlusal splints are orthodontic appliances used to treat temporomandibular joint disorders (TMD). They work by repositioning the jaw and reducing muscle tension to relieve pain and improve jaw function.