The phrase
"complete excision" means to completely remove or cut out something from its original place or location.
Full definition
When complete excision is not possible, local control is significantly improved with radiation therapy to the surgery site.
They arise from the periodontal ligament (the ligament that attaches the tooth to the bone) of the adjacent tooth, and
only complete excision of the tumor, surrounding tissue, the ligament, and, often, the tooth will affect a cure.
Complete excision should be curative.»
Complete excision is recommended to prevent recurrence.
In a few cases,
complete excision (surgical removal) may be curative.