D7340 Dental Code: Understanding Periodontal Scaling and Root Planing for Four or More Teeth per Quadrant

Periodontal disease affects nearly 50% of adults over 30 in the U.S., making it one of the most common dental health issues. Without proper treatment, it can lead to tooth loss, bone deterioration, and systemic health problems. The D7340 dental code is a critical procedure in combating advanced gum disease, specifically addressing scaling and root planing (SRP) for four or more teeth per quadrant.

This in-depth guide will explore everything you need to know about D7340, including its purpose, procedure, benefits, insurance implications, and post-treatment care. Whether you’re a dental professional or a patient seeking clarity, this article provides exclusive, well-researched insights to help you make informed decisions.

2. What Is the D7340 Dental Code?

The D7340 code, as defined by the American Dental Association (ADA), refers to:

“Periodontal scaling and root planing—four or more teeth per quadrant.”

This means the procedure involves deep cleaning below the gumline to remove plaque, tartar, and bacterial toxins from the roots of four or more teeth in a single quadrant of the mouth.

Key Features of D7340:

• Non-surgical periodontal therapy

• Targets moderate to severe gum disease (periodontitis)

• Performed under local anesthesia

• Requires multiple visits in some cases

3. The Importance of Periodontal Scaling and Root Planing

Gum disease progresses in stages:

Why D7340 is Essential:

• Prevents tooth loss by stopping bacterial destruction

• Reduces gum inflammation and bleeding

• Promotes gum reattachment to teeth

• Lowers systemic risks (heart disease, diabetes complications)

4. When Is D7340 Necessary?

A dentist or periodontist will recommend D7340 if:
✅ Pocket depths exceed 5mm
✅ Bone loss is visible on X-rays
✅ Bleeding and gum recession are present
✅ Previous cleanings (D1110/D4341) were ineffective

5. Differences Between D4341, D4342, and D7340

D7340 is used when a full quadrant requires therapy, rather than isolated teeth.

6. Step-by-Step Procedure for D7340

1. Diagnosis & X-rays – Probing depths and radiographic assessment.

2. Anesthesia – Local numbing for comfort.

3. Scaling – Ultrasonic and hand tools remove tartar.

4. Root Planing – Smoothing roots to prevent bacterial reattachment.

5. Antimicrobial Rinse – Reduces bacteria.

6. Follow-up – Reevaluation in 4-6 weeks.

7. Benefits of D7340 Treatment

✔ Halts gum disease progression
✔ Reduces bad breath (halitosis)
✔ Improves overall oral and systemic health
✔ Less invasive than surgery

8. Risks and Complications

While rare, possible side effects include:

• Temporary tooth sensitivity

• Mild gum swelling

• Discomfort during healing

Proper aftercare minimizes risks.

9. Post-Treatment Care and Maintenance

• Avoid smoking (delays healing)

• Use antimicrobial mouthwash

• Soft diet for 1-2 days

• Schedule periodontal maintenance (D4910) every 3-4 months

10. Insurance Coverage and Cost Considerations

• Most dental plans cover 50-80% of D7340

• Average cost: $200-$400 per quadrant

• Payment plans available at many clinics

11. FAQs

Q1: Does D7340 hurt?

A: Local anesthesia ensures minimal discomfort. Some sensitivity may occur afterward.

Q2: How long does healing take?

A: Gums heal in 1-2 weeks, but full tissue reattachment may take months.

Q3: Can I avoid surgery with D7340?

A: Yes, if caught early, D7340 can prevent the need for gum surgery.

Q4: How often is D7340 needed?

A: Typically once per affected quadrant, followed by regular maintenance.

12. Conclusion

The D7340 dental code is a vital treatment for advanced gum disease, offering a non-surgical solution to save teeth and improve oral health. By understanding its purpose, procedure, and aftercare, patients can make informed decisions. Early intervention with scaling and root planing prevents costly and invasive treatments later.

13. Additional Resources

• American Academy of Periodontology

• ADA Guide to Dental Procedures

• CDC Report on Gum Disease