Molar Incisor Hypoplasia

Question 1

What is the prevalence of molar incisor hypomineralization?

Answer 1

2.8-40%

Question 2

What is thought to be one cause of MIH?

Answer 2

amoxicillin administration in the first 12-24mo of life

Question 3

What are other conditions that can present similar to MIH?

Answer 3

fluorosis, enamel hypoplasia, amelogenesis imperfecta, white spot lesions, traumatic hypomineralization

Question 4

Why are hypomineralized teeth more sensitive?

Answer 4

hypomineralized enamel is a poor insulator with increased nerve density and vascularity

Question 5

What is the best way to manage MIH-affected molars clinically?

Answer 5

early occlusal coverage

Question 6

What medicament can be used to achieve increased bond strength with MIH-affected teeth for resin composites?

Answer 6

sodium hypochlorite

Question 7

Why does amalgam perform poorly in MIH-affected teeth?

Answer 7

non-adhesive and poor insulation

Question 8

How can anterior teeth affected by MIH be treated?

Answer 8

carbamide peroxide, microabrasion, etch-bleach-seal

Question 9

What is the AAPD recommendation for treatment of 1st permanent molars affected by MIH?

Answer 9

SSC coverage

Question 10

What is diagnostic criteria for MIH?

Answer 10

1-4 molars and some incisors affected, demarcated opacities, enamel disintegration, tooth sensitivity