2. Amelogenesis imperfecta of the hypoplastic type.
Tooth surface shows pitting (a) or irregularities (b)
indicating abnormal enamel formation. The hardness of the enamel is normal
6. Turner tooth, a hypoplastic tooth resulting
from periapical infection, usually of the
deciduous predecessor
7.
8. Amelogenesis imperfecta X-linked hypoplastic
type in a male showing a thin translucent layer
of defective enamel on the dentine surface.
9.
10.
11.
12. shell tooth. In this severe form of dentinogenesis imperfecta
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24. Syphilitic hypoplasia.
Congenital syphilis results in a pattern
of enamel hypoplasia that is well
known but currently so rare .
• Anterior teeth altered by syphilis
are termed Hutchinson's incisors
and exhibit crowns that are shaped
like straight-edge screw drivers.
• Altered posterior teeth are termed
mulberry molars .
