The court may, for good cause shown, as provided in Code Section 29-4-52 or 29-5-92, respectively, revoke the letters of guardianship or conservatorship of the county guardian or county conservator, require additional security on the county conservator’s bond, or issue any other order as is expedient and necessary for the good of any particular guardianship or conservatorship in the hands of the county guardian or county conservator.