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Surface biocompatibility of differently textured titanium implants with mesenchymal stem cells
Pasqualina Naddeo1, Luigi Laino2, Marcella La Noce1
1Dipartimento di Medicina Sperimentale, Sezione di Biotecnologie ed Istologia Medica, Seconda Università degli Studi di Napoli, Napoli, Italy.
Summary
Dental implant surfaces were compared for their interaction with Dental Pulp Stem Cells (DPSCs). Rougher TriVent surfaces promoted earlier cell differentiation, while TiUnite surfaces enhanced cell proliferation.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Dental Implantology
Background:
- Dental implantation is the preferred method for restoring missing teeth.
- Understanding the interaction between dental implant surfaces and stem cells is crucial for improving osseointegration and treatment outcomes.
Purpose of the Study:
- To evaluate the in vitro interaction between Dental Pulp Stem Cells (DPSCs) and two different dental implant surfaces.
- To compare the biocompatibility, cell viability, osteogenic differentiation, and VEGF production on rough (TriVent) versus ceramic-coated (TiUnite) implant surfaces.
Main Methods:
- Dental Pulp Stem Cells (CD34+ DPSCs) were cultured in 3D on TriVent and TiUnite implant surfaces.
- MTT assay assessed DPSC viability during osteogenic differentiation.
- SEM analysis and histological staining evaluated mineralized matrix deposition.
- RT-PCR and ELISA measured the temporal expression of osteogenic markers.
Main Results:
- Both TriVent and TiUnite surfaces demonstrated equal biocompatibility and preserved DPSC viability.
- Both surfaces stimulated osteogenic differentiation and increased VEGF production.
- The TriVent surface showed a slightly faster rate of DPSC differentiation compared to TiUnite.
Conclusions:
- The TriVent surface promotes earlier DPSC differentiation due to its roughness.
- The TiUnite surface, while promoting slightly slower differentiation, enhances greater cell proliferation.
- Both surfaces are viable options for dental implantation, with subtle differences in cellular response impacting treatment strategies.
