Randomized, Open Investigation Evaluating the Efficacy of Nobel Biocare SFB and CFB Implants

Exclusion Criteria

• •Alcohol or drug abuse as noted in patient records or in patient history.
• •Health conditions, which do not permit the surgical procedure.
• •Reason to believe that the treatment might have a negative effect on the subject's total situation (psychiatric problems), as noted in patient records or in patient history.
• •The subject is not able to give her/his informed consent to participate.
• •Any disorders in the planned implant area such as previous tumors, chronic bone disease, or previous irradiation.
• •Uncontrolled diabetics will be excluded.
• •Severe bruxism or other destructive habits.
• •Immediate insertion (e.g. placement of the implant immediately after extraction) consti-tutes an exclusion criterion.