Last updated: March 2026
How Much Does Dental Irrigation (Subgingival) Cost?
Cost Breakdown by Type
| Type / Procedure | Without Insurance | With Insurance |
|---|---|---|
| Chlorhexidine Irrigation (per quadrant) | $30 – $75 | $0 – $25 |
| Full Mouth Subgingival Irrigation | $75 – $150 | $20 – $50 |
| Medicament Irrigation (per site) | $25 – $50 | $0 – $15 |
CPT/ADA Code: D9630
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: Periodontic adjunctive — may be included in deep cleaning cost; standalone may not be covered
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
Dental irrigation flushes antimicrobial solution below the gum line into periodontal pockets. It removes bacteria and debris that brushing and flossing cannot reach.
Subgingival irrigation is a helpful adjunctive treatment when combined with scaling and root planing. It reduces bacterial counts and can improve gum healing.
It is typically performed during periodontal maintenance visits every 3-4 months. It may also be recommended after deep cleaning to enhance treatment outcomes.