Antibody:	anti-gamma-catenin (Clone 15)
Detection system:	Secondary antibody coupled to Cy3

Structure	Level	Pattern	Image	Note
TS21: lower jaw molar epithelium	Present		3A

Structure	Level	Pattern	Image	Note
TS22: lower jaw molar epithelium	Present	Regionally restricted	3B	Expression was much weaker on the medial aspect.

Structure	Level	Pattern	Image	Note
TS23: lower jaw molar epithelium	Present	Regionally restricted	3C	Expression was much weaker on the medial aspect.

Structure	Level	Pattern	Image	Note
TS24: lower jaw molar epithelium	Present		3D	Increased expression.
TS24: outer enamel epithelium	Present		3D	Similar intensities were seen in lateral and medial sides.
TS24: inner enamel epithelium	Present	Regionally restricted	3D	Expression was reduced compared with the cells of stellate reticulum and stratum intermedium.
TS24: stellate reticulum	Present		3D
TS24: stratum intermedium	Present		3D

Structure	Cell Type	Level	Pattern	Image	Note
TS26: outer enamel epithelium		Present		3E	Similar intensities were seen in lateral and medial sides.
TS26: inner enamel epithelium	ameloblast	Present		3E	Increased expression.
TS26: inner enamel epithelium	preameloblast	Present		3E	Increased expression.

Structure	Cell Type	Level	Pattern	Image	Note
TS26: outer enamel epithelium		Present		3F	Similar intensities were seen in lateral and medial sides.
TS26: inner enamel epithelium	ameloblast	Present		3F	Increased expression.
TS26: inner enamel epithelium	preameloblast	Present		3F	Increased expression.