Dental Caries in Children: Causes, Prevention, and Management

Question 1

Which of the following is a major contributing factor to dental caries in children?

Accepted Answer

Regular exposure to sugary drinks and snacks

Answer

Excessive fluoride intake

Answer

Diligent brushing and flossing habits

Answer

Genetic predisposition

Question 2

The primary mechanism by which fluoride helps prevent dental caries is:

Accepted Answer

Promoting the remineralization of weakened tooth structure

Answer

Strengthening tooth enamel

Answer

Inhibiting bacterial growth

Answer

Neutralizing acids produced by bacteria

Question 3

Which of the following materials is commonly employed as a dental sealant to prevent caries on the biting surfaces of teeth?

Accepted Answer

Pit and fissure sealant

Answer

Composite resin

Answer

Glass ionomer cement

Answer

Amalgam

Question 4

For optimal caries prevention, when should pit and fissure sealants be applied?

Accepted Answer

Immediately after the eruption of permanent molars

Answer

Once the chewing surfaces are fully developed

Answer

When plaque accumulation becomes noticeable

Answer

After the onset of carious lesions

Question 5

The recommended frequency for dental check-ups in children, as per guidelines, is:

Accepted Answer

Every 6 months, for regular monitoring

Answer

Every 3 months, without exception

Answer

Every 12 months, unless there are specific concerns

Answer

As infrequently as possible, to minimize discomfort

Question 6

In children, which microorganism is the main cause of dental caries?

Accepted Answer

Streptococcus mutans

Answer

Lactobacillus acidophilus

Answer

Candida albicans

Question 7

What is the main reason why young children develop dental caries?

Accepted Answer

Eating and drinking too much sugar

Answer

Not brushing often enough

Answer

Not taking care of their teeth properly

Question 8

What is the primary dietary factor that significantly contributes to the development of dental caries in children?

Accepted Answer

Regular consumption of sugary foods and drinks

Answer

Frequent intake of fruits and vegetables

Answer

Limited consumption of dairy products

Question 9

Which of the following is NOT a risk factor for the development of dental caries in young children?

Accepted Answer

Regular dental visits

Answer

Poor oral hygiene

Answer

Excessive intake of refined carbohydrates and sugars

Answer

Inadequate or absent use of toothpaste containing fluoride

Question 10

What is the primary mechanism by which fluoride exerts its caries-preventive effects?

Accepted Answer

Remineralization of tooth enamel

Answer

Inhibition of bacterial growth

Answer

Reduction of the acidity of dental plaque

Answer

Stimulation of salivary flow

Question 11

Which of the following is NOT a type of dental sealant used for the prevention of cavities in children?

Accepted Answer

Silver amalgam

Answer

Glass ionomer

Answer

Composite resin

Answer

Pit and fissure sealant

Question 12

Which of the following bacteria is most commonly associated with the development of dental caries?

Accepted Answer

Streptococcus mutans

Answer

Lactobacillus acidophilus

Answer

Porphyromonas gingivalis

Answer

Actinomyces viscosus

Question 13

What is the primary purpose of a pit and fissure sealant?

Accepted Answer

To seal off and prevent bacteria from entering susceptible tooth surfaces

Answer

To strengthen weakened tooth enamel

Answer

To deliver fluoride directly to a tooth

Answer

To improve the aesthetics of a tooth

Question 14

Which of the following is an early clinical sign of tooth decay?

Accepted Answer

Opaque white or brown spots on tooth surfaces

Answer

Pain or sensitivity when eating or drinking

Answer

Visible holes or cavities in teeth

Answer

Swelling and tenderness of the gums

Question 15

Which dietary habit is most directly linked to an increased risk of tooth decay in children?

Accepted Answer

Frequent consumption of sugary beverages

Answer

Regular intake of foods high in fluoride

Answer

Sufficient intake of calcium and phosphorus

Answer

Consumption of fresh fruits and vegetables

Question 16

What is the primary cause of dental caries in children?

Accepted Answer

Frequent consumption of sugary foods and drinks

Answer

Poor oral hygiene

Answer

Tooth structure defects

Answer

Genetic factors

Question 17

Which bacterium is scientifically recognized as the primary cause of dental caries in children?

Accepted Answer

Streptococcus mutans

Answer

Excessive fluoride intake

Answer

Vitamin D deficiency

Answer

Genetic predisposition

Question 18

What is a potential systemic health consequence of severe or untreated dental caries in children?

Accepted Answer

Impaired growth and development

Answer

Increased risk of heart disease

Answer

Kidney failure

Answer

Type 1 diabetes

Question 19

Which bacterial species is primarily responsible for causing and worsening tooth decay in children?

Accepted Answer

Streptococcus mutans

Answer

Streptococcus sanguinis

Answer

Lactobacillus acidophilus

Question 20

What dietary habit is the primary cause of increased dental caries risk in children?

Accepted Answer

Snacking frequently throughout the day

Answer

Consuming fruits and vegetables regularly

Answer

Consuming dairy products regularly

Answer

Consuming products containing xylitol

Question 21

Which of the following factors increases the risk of developing dental caries in children?

Accepted Answer

Frequent consumption of sugary beverages

Answer

Daily flossing

Answer

Regular dental visits

Answer

Use of fluoride-containing toothpaste

Question 22

What is the primary function of dental sealants?

Accepted Answer

Blocking bacterial colonization in tooth fissures

Answer

Strengthening tooth enamel

Answer

Removing plaque from tooth surfaces

Question 23

Which of the following is an early sign of dental caries?

Accepted Answer

White or brown spots on tooth surfaces

Answer

Tooth sensitivity

Answer

Toothache

Answer

Swollen gums

Question 24

What is the initial step in treating dental caries?

Accepted Answer

Removal of decayed tooth tissue

Answer

Prescribing pain medication

Answer

Applying fluoride varnish

Answer

Administering antibiotics