I think I know what you are describing Bruce. Do you have any images?

I have found that i have been doing a lot more tunnel type preps since I started with the laser and end up with a similar result to what you described. The trick is making sure you have good visual access to assess if you have left any caries behind, use a dye, go into the embrasure space and to get rid of the decalcified area there.

I put a band in place before tx to ensure I am not lasing or bonding to the neighboring tooth, use Clearfill SE bond as it has one of the highest ratings for bonding to prepped enamel –> GI resin –> AesthetX occlusal (on primary teeth). If it is a permanent tooth I will only use Comp as I have read it has higher compressive strength as compared to the GI resins and less expansinon with h2o over time.

I have followed several over the last several years and they are holding up very well. Nicest thing about it was i didn’t have to anesthetize, even on the pulp exposed ones! Trust the force Bruce, even if that force is a hydrokinetic one

Saving the marginal ridge will provide greater strength to that tooth in the long run. Since you are using the laser rather than the drill you will avoid introducing micro fractures into the enamel and that should allow for even more strength in that marginal ridge.

Rubber dam, clamp whats that? Don’t fire your assistant, get an Isolite! Of course if you do decide to send her packing i am looking for an assistant for Spetember

P.S. anaesthetic – contact Dave Kap, he will set you straight about putting that anaesthetic in the drawer. He is a great source for info on eliminating anaesthetic.