Subperiosteal Dental Implants
A specialized implant option for patients with insufficient jawbone height or density. Subperiosteal implants rest on top of the bone, avoiding the need for bone grafting procedures.
What Are Subperiosteal Implants?
Subperiosteal implants consist of a custom-made metal framework that is placed under the gum tissue but on top of the jawbone. Unlike endosteal implants, they do not penetrate into the bone structure.
The framework has posts that protrude through the gums to hold the artificial teeth. This design makes them suitable for patients who lack sufficient bone height or density for traditional implants.
Key Characteristics
- Custom metal framework
- Sits on top of jawbone
- Posts protrude through gums
- Biocompatible materials
- No bone penetration
- Supports multiple teeth
Advantages and Considerations
Advantages
- Avoids need for bone grafting procedures
- Shorter overall treatment time
- Less invasive surgical approach
- Can support multiple teeth
- Custom-designed for perfect fit
- Good option for elderly patients
Considerations
- Lower success rate than endosteal implants
- More complex maintenance required
- May be less stable over time
- Higher risk of complications
- More expensive than some alternatives
- Limited long-term research data
Subperiosteal Implant Procedure
Initial Assessment
Comprehensive examination and 3D imaging to design custom framework
Framework Design
Custom metal framework created based on jaw impressions
Surgical Placement
Framework placed under gum tissue, resting on jawbone
Healing Period
Gum tissue heals around framework posts
Restoration Placement
Crowns, bridges, or dentures attached to framework posts
Subperiosteal vs Endosteal Comparison
| Factor | Subperiosteal | Endosteal |
|---|---|---|
| Success Rate | 85-90% | 95-98% |
| Healing Time | 2-4 months | 3-6 months |
| Bone Requirement | Minimal | Adequate |
| Surgery Complexity | Moderate | Standard |
| Maintenance | Higher | Standard |
Ideal Candidates
- Insufficient jawbone height or density
- Healthy gum tissues
- Good overall health
- Realistic expectations about outcomes
- Commitment to oral hygiene
- Unable or unwilling to have bone grafting
Quick Facts
Important Note
Subperiosteal implants are less commonly used today due to advances in bone grafting techniques and shorter endosteal implants. Consult with a specialist to explore all options.
Explore Your Implant Options
Compare different implant types or learn about bone grafting alternatives.