Guided Open Wound Healing: Why We Don’t Always Close Surgical Sites

Introduction: Rethinking Surgical Closure

For decades, surgical training emphasized one primary goal:Close the wound tightly. Suture. Seal. Protect.

But biology doesn’t always thrive in tight spaces.

In regenerative and biologic dentistry, we’ve learned something profound:Sometimes the body heals better when we don’t force closure.

Guided Open Wound Healing (GOWH), taught extensively by Dr. Shahram Ghanaati and the Frankfurt group, honors the body’s natural healing cascade. Rather than compressing tissue and restricting oxygen, we create a stable, oxygenated, biologically active environment — often using PRF as a protective scaffold.

At Amore Dentistry, we don’t close wounds simply because it’s conventional.We close them only if it serves biology.

“Healing isn’t about hiding the wound. It’s about guiding it.”

Primary vs. Secondary Intention: What’s the Difference?

Primary Intention

• Edges of tissue are tightly approximated with sutures.

• Minimal open exposure.

• Traditionally thought to reduce infection risk.

Secondary Intention (Guided Open Healing)

• Site remains partially open.

• Covered with PRF membranes or stabilized clot.

• Oxygen, drainage, and immune access remain intact.

Historically, open wounds were feared due to infection risk. But with proper debridement, ozone irrigation, and PRF coverage, infection risk is dramatically reduced — and vascularization often improves.

Why Oxygen Matters in Healing

Oxygen is not optional in wound healing — it is foundational.

When we tightly close a site:

• Blood flow may be compressed.

• Interstitial pressure increases.

• Oxygen diffusion decreases.

• Inflammatory metabolites may become trapped.

When we allow guided openness:

• Microcirculation improves.

• Oxygen tension increases.

• Angiogenesis (new blood vessel formation) is enhanced.

• Lymphatic drainage remains active.

Oxygen drives:

• Fibroblast proliferation

• Collagen synthesis

• Osteoblast differentiation

• Immune cell efficiency

This is why combining ozone irrigation with PRF membranes creates such powerful outcomes — the wound bed is clean, oxygenated, and biologically primed.

The Role of PRF in Open Wound Healing

PRF acts as a biologic dressing.

Its fibrin matrix:

• Stabilizes the clot

• Protects the site from food debris

• Releases growth factors over 10–14 days

• Supports angiogenesis and epithelial migration

Unlike synthetic membranes, PRF integrates into tissue seamlessly and resorbs naturally.

Under PRF coverage, the wound remains oxygen-accessible yet biologically protected — the ideal balance between exposure and safety.

Inflammation: Controlled, Not Compressed

Inflammation is not the enemy — uncontrolled inflammation is.

Primary closure can sometimes:

• Increase internal pressure

• Trap inflammatory cytokines

• Create ischemic pockets

• Promote anaerobic conditions

Guided open healing:

• Allows drainage

• Reduces anaerobic bacterial growth

• Promotes healthy granulation tissue

• Encourages macrophage-guided remodeling

The immune system functions more efficiently when it isn’t suffocated.

Clinical Applications at Amore Dentistry

We use guided open healing for:

Surgical extractions

Cavitation debridement

Zirconia implant site preparation

Periodontal regenerative procedures

Protocol often includes:

1. Thorough debridement

2. Ozone irrigation (gas + water)

3. Placement of L-PRF+ membranes

4. Minimal tension suturing (if needed)

5. Photobiomodulation post-op

The result? Less swelling. Less pain. Healthier tissue tone. Faster granulation.

What Patients Experience

Patients frequently report:

• Reduced post-op pressure

• Minimal throbbing

• Faster soft tissue closure

• Pink, vibrant healing sites

Many say the recovery feels “clean” instead of inflamed.

That’s the difference between forced closure and guided biology.

Sometimes patients do have to take medication to help manage their pain, but the point is the bone is clean and that is what matters.

The Future of Surgical Philosophy

Modern regenerative surgery is shifting from:“Close everything tightly”to“Support the body’s healing rhythm.”

Guided open wound healing is not reckless.It’s intentional, evidence-informed, and biologically aligned.

When we trust oxygen, circulation, and growth factors — healing becomes elegant.

Key Takeaways

1. Not all wounds need tight closure.

2. Oxygen supports angiogenesis and immune efficiency.

3. PRF stabilizes and protects open surgical sites.

4. Guided openness allows tissue to grow!

5. Biology heals best when circulation and drainage remain intact.

Conclusion: Guided, Not Forced

At Amore Dentistry, we don’t force tissue into submission. We guide it toward regeneration.

Healing isn’t about sealing off the body. It’s about creating the right environment — and letting nature do what it’s always done beautifully.

When we stop fighting biology, it rewards us.

References

1. Ghanaati S, et al. “Advanced platelet-rich fibrin and guided open wound healing.” Clin Oral Investig. 2014. PubMed

2. Miron RJ, Choukroun J. Platelet Rich Fibrin in Regenerative Dentistry. Wiley Blackwell, 2017.

3. Schreml S, et al. “Oxygen in acute and chronic wound healing.” Br J Dermatol. 2010. PubMed

4. Dohan Ehrenfest DM, et al. “Classification of platelet concentrates.” Trends Biotechnol. 2009. PubMed

5. IAOMT Clinical Report. “Biologic Surgical Protocols in Dentistry.” 2023.