Empty pages marked corrupt

I run rman and it shows some blocks as corrupted; when I run dbv all the blocks corrupt show under empty pages.
When I do
select * from dba_extents
where file_id = 25 and
corrupt_block_no between block_id and block_id+blocks-1
all corrupted blocks are in a table which is empty (0 rows).
I dropped the table , recreated it, but these blocks still come out as corrupt.
Will these empty pages corruption create any problems for me in future?
How can I get rid of them, rman recoverblock somehow is not working for me?
THANKS A LOT.

RMAN will check all blocks that
a. are currently in use
OR
b. have been used in the past but may be in free extents now
If the block is in a free extent, RMAN will keep reporting it. However, when the extent is allocated to a table or index, the block will be re-formatted when it is used. If corruption is physical, the Oracle server process will only then detect it. If the corruption is logical, the re-formatting will clear it.
You could attempt to create a new table and load data in that tablespace -- if there are few free extents it is likely that that extent may be used (or just keep creating a few new tables).
Hemant K Chitale
http://hemantoracledba.blogspot.com

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