Chapter 23

Question 1

bottle mouth or nursing bottle caries

Answer 1

condition caused by the erosion of enamel on the infant’s deciduous teeth from sugar in formula or sweetened juice that coats the teeth for long periods. This condition also can occur in infants who sleep with their mothers and nurse intermittently throughout the night.

Question 2

deciduous teeth

Answer 2

primary teeth that usually erupt be-tween 6 and 8 months of age.

Question 3

extrusion reflex

Answer 3

infant’s way of taking food by thrusting the tongue forward as if to suck; has the effect of pushing solid food out of the mouth.

Question 4

pedodontist

Answer 4

dentist who specializes in the care and treatment of children’s teeth.

Question 5

pincer grasp

Answer 5

using the thumb and index finger to pick up food or small objects.

Question 6

primary circular reactions

Answer 6

a stage of development named by Piaget in which infants explore objects by touching or putting them in their mouths; the infant is unaware of actions that he or she can cause.

Question 7

seborrhea

Answer 7

a scalp condition characterized by yellow,crusty patches; also called cradle cap.

Question 8

secondary circular reaction

Answer 8

a stage of development named by Piaget in which the infant realizes that his or her actions cause pleasurable sensations.