Upload
dina-alshayaa
View
509
Download
4
Embed Size (px)
Citation preview
Environmental alteration of teeth
ORAL AND MAXILLOFACIAL PATHOLOGY
LAB 3
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
Amelogenesis imperfecta of the hypomineralized type.
Turner tooth, a hypoplastic tooth resulting from periapical infection, usually of the deciduous predecessor
Amelogenesis imperfecta X-linked hypoplastic type in a male showing a thin translucent layer of defective enamel on the dentine surface.
shell tooth. In this severe form of dentinogenesis imperfecta
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 .