A single missing tooth has two good replacement options: a dental implant (one implant + one crown) or a traditional 3-unit bridge (two crowns on the neighboring teeth supporting a fake tooth between them). In 2026, implants are almost always the better long-term choice — but bridges are not obsolete.
What a 3-Unit Bridge Actually Requires
A traditional bridge requires reducing (grinding down) both neighboring teeth to fit crowns over them. Even when those teeth are perfectly healthy, significant enamel and dentin must be removed. Those teeth are now permanently dependent on the bridge; if the bridge fails in 10-15 years, both supporting teeth are often lost with it.
What a Single Implant Requires
A single implant replaces only the missing tooth. Adjacent teeth are untouched. The implant integrates with the jawbone, preserving bone that would otherwise shrink over years. A single crown attaches to the implant. The total footprint of intervention is limited to the site of the missing tooth.
Long-Term Comparison
- Longevity — Implants: 25+ years for the fixture, 15-20+ years for the crown. Bridges: 10-15 years typical before needing replacement.
- Adjacent teeth — Implants: untouched. Bridges: permanently modified.
- Bone preservation — Implants: preserve bone. Bridges: bone continues to shrink under the pontic.
- Hygiene — Implants: flossed like a natural tooth. Bridges: require special threader floss to clean under the pontic.
- Revision when things fail — Implant crown fails: replace the crown. Bridge fails: often lose supporting teeth too.
Cost Comparison
- Single implant with crown: $4,500-$7,500
- 3-unit traditional bridge: $3,000-$5,000
The bridge looks cheaper initially. Over a 30-year horizon, the implant is typically cheaper because the bridge needs to be replaced 1-2 times and may take supporting teeth with it.
When a Bridge Is Still the Right Answer
- Neighboring teeth are already crowned or need crowning independently
- Insufficient bone for an implant and patient declines grafting
- Medical contraindication to implant surgery
- Short-term financial constraints where implant treatment is not currently feasible
- Specific anatomical situations where implant positioning is unfavorable
When an Implant Is Clearly Right
- Neighboring teeth are healthy and unrestored
- Adequate bone volume (or willingness to have grafting if needed)
- No medical contraindications
- Patient wants the longest-lasting option
Request a consultation to discuss your case.
Related Articles
- Types of Dental Implant Bridges
- How Long Do Dental Implants Last?
- Implant vs. Root Canal
- Dental Implant Abutments Explained
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