No fear: nothing is permanent. If converting to a morph doesn't get the result you need, then just delete the morph. The only time that morph textures have 'issues' is with complex surfaces and UV mapping AFAIK.
Something like a table shouldn't be a problem.
If you convert to morph, delete the stuff you don't want, and then don't want the resulting table to still be a morph, then save it as an object... and it is an object again. One advantage of being an object would be that you can then use gravity to place the table onto a slab...
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