If the adjacent teeth are in good shape and there is no anatomical
reason not to get an implant, an implant should be considered.
IOW, the dentist should be able to tell you why he thinks a bridge is a
better option.
    If bridges are done (I didn't know you could now make a Cerec bridge)
the holding (abutment) teeth should be onlayed.

Steve

I am not a dentist. But I am getting 5 implants this next month, via
the graduate student program at a dental school.

Implants are by and large a better option, IF you can afford it. My
wife's bridge is constantly a problem, hard to clean, uncomfortable,
causes bad breath, etc.. she hates it.

Implants can cost upwards of $3-4k per tooth, if you shop around you
might find a better deal, but then, quality is a concern, too. I had
no choice, I just could not afford to get 5 implants anywhere except a
dental school. My friend just had 2 at a well-recommended oral
surgeon's office, and it cost him 3/4 of what I am paying for 5. He is
happy with them, though.

Also, it takes about 3-6 months to get the implants and then wait for
the crowns to be added, in most cases. There are quicker types but the
dental school says they are not a great option. Also, your dentist may
require extras like stents and CT scans before the xrays (as mine did)
and this may cost another $700-1000. Then, if you need a bone graft or
sinus lift, that will cost more...