Last updated: March 2026
How Much Does Dental Inlay/Onlay Cost?
Cost Breakdown by Type
| Type / Procedure | Without Insurance | With Insurance |
|---|---|---|
| Porcelain Inlay | $650 – $1,200 | $200 – $500 |
| Porcelain Onlay | $800 – $1,500 | $250 – $600 |
| Gold Inlay/Onlay | $800 – $1,500 | $250 – $600 |
| Composite Inlay/Onlay | $500 – $1,000 | $150 – $400 |
CPT/ADA Code: D2542
What Affects the Cost
- Geographic location (urban areas cost 20-40% more)
- Dentist experience and specialization
- Type of dental insurance plan (PPO vs HMO/DHMO)
- Whether the procedure is classified as preventive, basic, or major
- Lab and material costs
- Number of teeth or surfaces involved
Insurance Coverage
Typical coverage: 50-80% (classified as major restorative)
Most dental PPO plans have an annual maximum of $1,000-$2,500. Preventive care (cleanings, exams, X-rays) is typically covered at 100%. Basic procedures (fillings, simple extractions) at 70-80%. Major procedures (crowns, bridges, implants) at 50%. Many plans have a 6-12 month waiting period for major work.
How to Save Money
- Dental schools offer procedures at 50-70% discount
- Dental discount plans save 20-50% for $80-$200/year
- Ask about payment plans — many dentists offer CareCredit 0% financing
- Community health centers provide sliding-scale pricing
- Get quotes from 2-3 dentists in your area
- Consider dental tourism for expensive procedures
Related Procedures & Costs
Frequently Asked Questions
Inlays fill the space between tooth cusps. Onlays cover one or more cusps. Crowns cover the entire tooth. Inlays/onlays preserve more natural tooth structure than crowns.
10-30 years depending on material. Gold and porcelain last longest. They're more durable than large fillings.
Yes — most plans cover them at 50-80% as major restorative procedures. Some plans may only pay the crown allowance.