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Changes in Peri-Implant Soft Tissue Dimensions Following Soft Tissue Contour Augmentation: A 3-Year Follow-Up of a

Karin Jepsen1, Søren Jepsen1, Christoph H F Hämmerle2

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Summary

Both volume-stable collagen matrix (VCMX) and soft connective tissue grafts (SCTG) maintained stable peri-implant tissues 3 years after implant loading. Clinician-reported esthetics favored SCTG, but patient satisfaction was similar between groups.

Keywords:
connective tissue graftdental implantestheticspatient‐reported outcomesprofilometric analysissoft tissue augmentationvolume‐stable collagen matrix

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Area of Science:

  • Dental Implantology
  • Periodontology
  • Tissue Engineering

Background:

  • Soft tissue augmentation is crucial for peri-implant esthetics and health.
  • Comparing volume-stable collagen matrix (VCMX) and soft connective tissue grafts (SCTG) for augmentation is important for clinical decision-making.

Purpose of the Study:

  • To evaluate 3-year changes in peri-implant soft tissues after augmentation with VCMX or SCTG.
  • To compare patient and clinician-reported outcomes, including esthetics and satisfaction.

Main Methods:

  • A non-interventional follow-up study assessed peri-implant tissues at single-implant restorations.
  • Evaluated parameters included mucosal thickness, contour, probing depth, bleeding on probing, plaque index, mucosal margin level, and esthetics.
  • Patient and clinician satisfaction were recorded using Visual Analog Scales (VAS) at 3 years.

Main Results:

  • Both VCMX and SCTG maintained stable peri-implant soft tissues with minimal recession over 3 years.
  • Clinician-reported esthetic scores favored SCTG, but patient-reported satisfaction with overall esthetics was high and similar between groups.
  • Clinician-reported satisfaction was significantly higher for SCTG compared to VCMX.

Conclusions:

  • Both VCMX and SCTG are effective for maintaining stable peri-implant soft tissues long-term.
  • While clinicians favored SCTG for esthetics, patient-reported outcomes did not show significant differences, suggesting both materials yield satisfactory results.
  • Further research may explore specific patient subgroups or long-term functional outcomes.