How do I whiten a tooth w/ no nerve?

About 3 years ago I was riding my horse (barrel racing) and she bucked...somehow her head came up and hit me in the face.  I ended up breaking off about 3/4 of my front tooth (#9) and severely damaging the one right next to it (#8).  I got a temporary crown on #9 so it is hard for most people to know that it isn't a real tooth.  However, after 2 root canals, #8 is so discolored, apparently due to the lack of nerves left in that tooth, that people often notice.  My question is, how can I get my teeth to be one uniform color? (preferably white :-)?

[Jerome Bogin, D.D.S.]

You have pretty much three options. If there is enough tooth structure then you might consider internal bleaching. The second option is placing a porcelain laminate, and the third is fabricating a crown like the other central.