Fig. 5
From: Dentin dysplasia type I—novel findings in deciduous and permanent teeth
TEM examination of the teeth specimens. a Normal inner dentin with orderly dentinal tubules having no sheath-like structures were found in control deciduous teeth (3000×). b Tubules with irregular shape, size, and pattern of organization were found in deciduous teeth affected by DD-I (3000×). c Outer dentinal tubules with sheath-like structures of normal permanent teeth and (d) dentin tubules of permanent teeth affected by DD-I (5000×). e Laminar-type collagen in a normal tooth and (f) ill-defined margins and irregular collagen fibers in a tooth affected by DD-I (15,000×)