Single-tooth replacement by osseointegrated Astra Tech dental implants: a 2-year report

Area of Science:

• Dentistry
• Oral Implantology
• Prosthodontics

Background:

• Single-tooth restorations are crucial for maintaining oral function and aesthetics.
• Astra Tech implants are a widely used system for dental implantology.
• Long-term outcomes of implant-supported single-tooth restorations require continuous evaluation.

Purpose of the Study:

• To evaluate the clinical outcomes of single-tooth restorations supported by Astra Tech implants.
• To assess implant survival rates and marginal bone loss over a 2-year period.
• To identify and report any complications associated with these restorations.

Main Methods:

• A prospective study involving 47 patients receiving single-tooth restorations on Astra Tech implants.
• Clinical follow-up at 2 years, including assessment of implant stability and marginal bone levels.
• Documentation of all recorded complications during the follow-up period.

Main Results:

• High implant survival rate, with no implants removed after 2 years.
• Mean marginal bone loss of 0.31 mm (SD = 0.48 mm) after 2 years.
• The most frequent complication was loose crowns, occurring in 7 instances.

Conclusions:

• Astra Tech single-tooth implants demonstrate favorable outcomes for single-tooth restorations over 2 years.
• The implant system shows a high degree of stability and minimal bone loss, supporting its clinical efficacy.
• While generally successful, potential complications like crown loosening should be monitored.