Immediate Versus Delayed Loading of Maxillary Overdenture Implants

Eligibility Criteria

• 1. Males and females must be at least ≥ 21 years of age
• 2. Fully edentulous maxilla
• 3. The implant site has to be healed for at least 4 months after extraction
• 4. Wearing complete dentures deemed adequate
• 5. Orthopantomogram available (OPT)
• 6. Adequate amount of bone at least at the 2nd premolar position to house at minimum a 3.5 x 10 mm BLX-Roxolid implant
• 7. No bone grafting required
• 8. Implant IT ≥ 20 N/cm
• 1. Conditions requiring chronic routine prophylactic use of antibiotics
• 2. Conditions requiring prolonged use of steroids
• 3. History of leukocyte dysfunction and deficiencies
• 4. Bleeding disorders
• 5. History of neoplastic disease requiring use of radiation or chemotherapy
• 6. Metabolic bone disorders
• 7. Uncontrolled endocrine disorder
• 8. Use of any investigational drug or device within the 30-day period prior to implant surgery
• 9. Vaping, Tobacco Chewing or Smoking more than 10 cigarettes a day
• 10. Alcoholism or drug abuse
• 11. Patient infected with HIV
• 12. Condition or circumstances, in the opinion of the investigator, which would prevent completion of study participation or interfere with analysis of study results, such as as history of non-compliance, unreliability.
• 13. Local inflammation including untreated periodontitis
• 14. Mucosal disease such as erosive lichen planus
• 15. History of local irradiation therapy
• 16. Osseous lesion
• 17. Severe bruxism and clenching habits
• 18. Active infection with suppuration or fistula track
• 19. Persistent intraoral infection
• 20. Lack of primary stability \<20Ncm. In this instance, the patient must be withdrawn and treated according to the standard protocol.
• 21. Inadequate oral hygiene or unmotivated home care.
• 22. Bone grafting needed
• 23. Inadequate bone volume for implants insertion as measured on the pre-treatment cone beam computed tomography (CBCT).