Symbolic of something in your life that did not originate with you
A substitution for spiritual inadequacy; research anatomical location, i.E. Breast implants reveal a need, but inability, to nurture adequately
Dreams of an implant represent that you are additionalizing, maximizing, and embellishing yourself for a desired effect.
For example, if you dream of breast implants, you have a desire to uplevel your femininity, sexiness or attractiveness.
If you dream of receiving an alien implant, then you are venting your feelings of being violated and influenced in non-supportive ways. See Venting Dreams and Cosmetic Surgery..