Why do I see more files after scanning my drive with your software than the files I see on Windows explorer?

Why do I see more files after scanning my drive with your software than the files I see on Windows explorer?

Disk Doctors NTFS Data Recovery Software works at low level with hard drive, not through the driver for the file system provided by operating system.

Thus it enables the software to read the files which are deleted or are orphan on the disk; this increases the number of files you view after scanning a logical drive.