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Influence of Implant Type on Clinical and Radiologic Outcomes: A Cross-Sectional Private Practice-Based Analysis
Cristian Scognamiglio1,2, Gülce Çakmak2,3,4, Martin Schimmel2
1Private Practice, Mendrisio, Switzerland.
Clinical and Experimental Dental Research
|July 16, 2026
Summary
Tissue-level (TL) implants demonstrated superior mesial bone gain and fewer complications compared to bone-level X (BLX) implants over three years. While both implant types showed similar overall outcomes, TL implants offered better peri-implant bone preservation.
Area of Science:
- Dental Implantology
- Periodontology
- Biomaterials Science
Background:
- Dental implants are crucial for tooth replacement.
- Comparing tissue-level (TL) and bone-level X (BLX) implants is essential for optimizing patient outcomes.
- Peri-implant bone level, survival, and complication rates are key indicators of implant success.
Purpose of the Study:
- To compare peri-implant bone level alterations, survival rates, and complication frequencies between TL and BLX implants over a 3-year period.
- To evaluate the influence of keratinized mucosa on implant outcomes.
- To provide insights into implant selection based on clinical performance.
Main Methods:
- Retrospective, non-interventional clinical study.
- Inclusion of 146 implants (73 TL, 73 BLX) with a minimum 6-month follow-up.
- Evaluation of bone-level alterations and peaks from radiographs; recording of keratinized mucosa and technical complications.
Main Results:
- TL implants exhibited a 100% survival rate, while BLX implants had a 98% survival rate after 3 years.
- TL implants showed significant mesial bone gain and less distal bone loss compared to BLX implants.
- BLX implants had a higher complication rate, though a wider band of keratinized mucosa (>2mm) was associated with smaller bone level alterations.
Conclusions:
- Both TL and BLX implants demonstrate comparable clinical and radiological outcomes.
- TL implants showed reduced mesial bone alterations and fewer complications than BLX implants.
- Adequate keratinized mucosa appears particularly beneficial for BLX implant outcomes, though baseline differences between groups warrant consideration.
