Effects of immediate loading with threaded hydroxyapatite-coated root-form implants on single premolar replacements:...

Area of Science:

• Dental Implantology
• Prosthodontics
• Oral Surgery

Background:

• Immediate loading protocols for dental implants are gaining traction.
• Assessing the efficacy of immediate loading in the esthetic zone is crucial for patient satisfaction.

Purpose of the Study:

• To evaluate the immediate loading of single, threaded, root-form implants in the maxillary premolar region.
• To assess peri-implant bone and soft tissue parameters following immediate loading.

Main Methods:

• A prospective study involving ten human subjects.
• Immediate placement of a screw-retained temporary acrylic resin crown after implant surgery.
• Placement of a definitive metal-ceramic crown after 6 months.

Main Results:

• Mean marginal bone loss ranged from 0.58 mm at 1 month to 0.90 mm at 12 months.
• Implant mobility remained stable, with mean Periotest values around -3.3.
• Peri-implant soft tissue parameters, including probing depth and recession, showed stability.

Conclusions:

• Immediate loading of single root-form implants in the maxillary premolar area is a viable option.
• Peri-implant parameters were comparable to those observed with conventional two-stage loading protocols.
• The findings support the immediate loading protocol under the study's conditions.