What treatments or medications are available to promote gingival tissue regeneration in patients with gumline recession?

Treatment Options for Gingival Recession

For gingival recession, surgical intervention with coronally advanced flap (CAF) combined with L-PRF membranes or recombinant growth factors (rhPDGF-BB or rhFGF-2) represents the most effective approach to promote gingival tissue regeneration, with L-PRF offering the additional benefit of significantly reduced postoperative pain. 1

Surgical Approaches

L-PRF Membrane Technique (Preferred for Most Cases)

The most recent 2025 guidelines establish L-PRF (Leukocyte Platelet-Rich Fibrin) membranes as an effective treatment that improves outcomes of coronally advanced flap procedures for recession coverage 1. The technique involves:

• Multiple L-PRF membranes (2-4 layers) are sutured together and placed over the recession defect
• The face portion of the deepest membrane should orient toward the exposed root surface
• Membranes are sutured to the periosteum for stability
• The flap is coronally advanced to cover the graft and sutured in position 1

Key advantage: L-PRF provides "significant reduction in post-operative pain" compared to traditional soft tissue grafts, while maintaining comparable clinical benefits 1

Recombinant Growth Factor Therapy

rhPDGF-BB (Platelet-Derived Growth Factor)

This FDA-approved option (available in US, Canada, Taiwan) demonstrates true periodontal regeneration with histological evidence of new cementum, bone, and periodontal ligament formation 2, 3:

• Applied at 0.3 mg/ml concentration with beta-tricalcium phosphate or bone graft 3
• Can be combined with soft tissue matrices (connective tissue graft, acellular dermal matrix, or collagen matrices) 2
• Promotes chemotaxis, mitogenesis, and accelerated wound healing 2

Critical caveat: Long-term data shows potential relapse. At 5 years, rhPDGF-BB-treated sites showed significant reduction in root coverage (89.85% at 6 months declining to 74.10% at 5 years), while connective tissue graft maintained stability 2. This suggests gingival thickness modification is more important than regeneration alone for long-term stability 2.

rhFGF-2 (Fibroblast Growth Factor-2)

Approved in Japan at 0.3% concentration for periodontal regeneration 4, 3:

• Promotes mitogenic and angiogenic effects on periodontal ligament cells
• Can be combined with carbonate apatite granules for interdental tissue reconstruction
• Shows promise for challenging Type 2/3 recessions with interdental tissue loss 4

Decision Algorithm

Step 1: Assess Gingival Phenotype and Recession Type

Thin gingival phenotype (<1.46 mm thickness):

• Use connective tissue graft (autogenous) as gold standard 2
• Alternative: rhPDGF-BB with soft tissue matrix scaffold 2
• Rationale: Thin tissue is prone to re-recession regardless of bone regeneration; thickness modification is essential for long-term stability 2

Adequate gingival thickness (≥1.46 mm):

• L-PRF membranes with CAF (preferred for reduced morbidity) 1
• Alternative: CAF alone may suffice 1

Type 2/3 recessions with interdental tissue loss:

• rhFGF-2 with carbonate apatite in interdental space + connective tissue graft for root coverage 4

Step 2: Postoperative Protocol (Universal)

• Soft food only, no biting/chewing in treated area for 1 week 1
• No mechanical cleaning of treated area for 1 week 1
• 0.12% chlorhexidine rinse twice daily for minimum 3 weeks (start day 3 for some protocols) 1
• Prescribe analgesics 1

Step 3: Antibiotic Considerations

Do NOT routinely prescribe antibiotics for systemically healthy patients undergoing recession coverage surgery 5.

Only prescribe prophylactic antibiotics for:

• High risk of infective endocarditis
• Immunocompromised patients with elevated infection susceptibility 5

Important Clinical Pitfalls

1. Long-term stability requires adequate keratinized tissue: Minimum 1.5 mm keratinized tissue width and 1.46 mm gingival thickness at 6 months are critical predictors of long-term gingival margin stability 2

2. Growth factors alone may not prevent relapse: Without addressing gingival phenotype (thickness), even successful regeneration may fail long-term due to inflammation or traumatic brushing 2

3. Avoid vertical releasing incisions when possible; use minimally invasive techniques 1

4. Primary closure without tension is essential for all techniques 1

Medications and Adjuncts

No topical medications alone promote gingival growth—surgical intervention is required. However:

• Chlorhexidine 0.12% is the only medication consistently recommended, used postoperatively for infection control, not tissue regeneration 1
• Tetracycline root conditioning (100 mg/ml for 4 minutes) may enhance outcomes when combined with surgical procedures 6
• Platelet-rich plasma (PRP) shows some benefit for increasing keratinized tissue width and clinical attachment, though evidence is older and less robust than L-PRF 7, 8

The evidence strongly favors surgical approaches over any medication-only treatment for meaningful gingival tissue regeneration in recession defects.