1. TRUE/FALSE?
A. The primary teeth usually erupt at age six months and all the teeth are in the mouth by 30 months.

1. TRUE/FALSE?
B. The number of teeth an infant erupts to form the primary dentition is 24.

1. TRUE/FALSE?
C. If there are no primary teeth in the mouth by the age of 18 months then the teeth need to be surgically exposed.

1. TRUE/FALSE?
D. Either the upper or the lower primary central incisor is always the first tooth to appear in the infant’s mouth.

2. TRUE/FALSE?
A. The pattern of dental caries is not diagnostic of the aetiological factors involved in initiating the caries in the first instance.

2. TRUE/FALSE?
B. The lower incisors are rarely carious in ECC (Early Childhood Caries), unless there is an issue with the flow of saliva from the submandibular/sublingual glands.

2. TRUE/FALSE?
C. The oral health status of the infants’ mother has little direct relationship with the caries risk of the infant.

2. TRUE/FALSE?
D. Most children can wait till they start school at age 5 before they have
their first oral health check.

3. TRUE/FALSE?
A. An avulsed primary tooth is not usually reimplanted because the tooth becomes black.

3. TRUE/FALSE?
B. Dental trauma is more common in the permanent dentition of children and adolescents than in their primary teeth.

3. TRUE/FALSE?
C. If a child fractures a primary tooth/teeth then antibiotics need to be prescribed to prevent secondary infection of the nerve/marrow.

3. TRUE/FALSE?
D. It is reported that less than 5% of children who have been abused have an oro-facial component.

4. TRUE/FALSE?
A. Primary herpetic gingivo-stomatitis is best treated symptomatically with bed rest, hydration, analgesics and antibiotics.

4. TRUE/FALSE?
B. The most common cause of white lesions in the mouth of a child is thrush.

4. TRUE/FALSE?
C. Odontogenic infections usually involve staphylococcal bacteria as the main pathogen.

4. TRUE/FALSE?
D. Oral ulceration is usually caused by viral infections.