Dental Implant vs Bridge: Which Costs Less Over 20 Years?
Most people think bridges are cheaper. They are, upfront. But over 20 years, the math changes significantly.
Dental Implant
$3,000 - $6,000
Upfront. Lasts 25+ years.
Dental Bridge
$1,500 - $5,000
Upfront. Lasts 10-15 years.
The 20-Year Calculation
A bridge lasts 10-15 years. An implant lasts 25+ years (the post is permanent; only the crown may need replacement at 15-25 years).
| Over 20 Years | Implant | Bridge |
|---|---|---|
| Initial cost | $3,000 - $6,000 | $1,500 - $5,000 |
| Replacements needed in 20 years | Crown only (once, maybe) | Full bridge (once) |
| Replacement cost | $1,000 - $2,500 (crown) | $1,500 - $5,000 (bridge) |
| Additional dental work | None | Possible crown on adjacent teeth |
| 20-year total | $4,000 - $8,500 | $4,500 - $15,000 |
Complete Comparison
| Implant | Bridge | |
|---|---|---|
| Upfront cost | $3,000 - $6,000 | $1,500 - $5,000 |
| Lifespan | 25+ years (post), 15-25 years (crown) | 10-15 years |
| Preserves jawbone | Yes | No (bone resorbs under pontic) |
| Affects adjacent teeth | None | Grinds down 2 healthy teeth |
| Feels natural | Indistinguishable from real tooth | Mostly natural |
| Maintenance | Normal brushing and flossing | Special floss threader needed |
| Procedure time | 6-12 months total | 2-3 weeks |
| Surgical procedure | Yes (minor oral surgery) | No surgery required |
| Insurance coverage | Rarely covered | Often partially covered |
When an Implant Wins
- Adjacent teeth are healthy (no existing crowns)
- You want to preserve jawbone long-term
- You can afford the upfront cost or can finance it
- You want the longest-lasting solution
- You have adequate bone (or are willing to graft)
When a Bridge Wins
- Upfront affordability is the primary concern
- Adjacent teeth already have crowns (grinding them down is not an additional issue)
- Insufficient bone and you want to avoid a bone graft
- Medical conditions prevent surgery
- You need a solution in weeks, not months
The Hidden Cost of Bridges
Adjacent teeth are permanently altered
A bridge requires grinding down the two teeth on either side of the gap to act as anchors. These teeth lose 60-70% of their enamel. Once ground, they will always need crowns, even if the bridge is later removed.
Higher risk of future tooth loss
The ground-down anchor teeth are weaker and more prone to decay and fracture. Studies show a 15-20% failure rate for bridge abutment teeth within 10 years.
Bone loss under the pontic
The section of the bridge that spans the gap (the pontic) does not stimulate the jawbone beneath it. Over years, this bone resorbs, creating a visible indentation in the gum that can trap food and bacteria.