<s>
The	O
SMART	B-Device
Retainer	I-Device
is	O
a	O
small	O
micro	O
sensor	O
which	O
is	O
imbedded	O
in	O
a	O
traditional	O
orthodontic	O
retainer	O
.	O
</s>
<s>
The	O
smart	B-Device
retainer	I-Device
chip	O
is	O
about	O
the	O
size	O
of	O
a	O
shirt	O
button	O
and	O
provides	O
detailed	O
information	O
about	O
the	O
chip	O
's	O
environmental	O
surroundings	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
a	O
smart	B-Device
retainer	I-Device
sensor	O
is	O
exclusively	O
provided	O
by	O
orthodontists	O
who	O
have	O
signed	O
up	O
to	O
be	O
providers	O
,	O
and	O
should	O
retail	O
for	O
around	O
$100	O
.	O
</s>
<s>
The	O
SMART	B-Device
Retainer	I-Device
was	O
featured	O
on	O
the	O
May	O
15	O
episode	O
of	O
The	O
Today	O
Show	O
.	O
</s>
