Academic Journal
Effects of low-pressure plasma and ytterbium fiber laser on zirconia surface properties and bond strength to gingiva-colored composite.
| Title: | Effects of low-pressure plasma and ytterbium fiber laser on zirconia surface properties and bond strength to gingiva-colored composite. |
|---|---|
| Authors: | Akbulut M; Department of Prosthodontics, Gulhane Faculty of Dentistry, University of Health Sciences Turkey, Ankara, Turkey., Kalyoncuoğlu ÜT; Department of Prosthodontics, Gulhane Faculty of Dentistry, University of Health Sciences Turkey, Ankara, Turkey., Erdemli BY; Department of Biomaterials, Hamidiye Institute of Health Sciences, University of Health Sciences Turkey, Istanbul, Turkey.; Gulhane Medical Design and Manufacturing Center (METUM), University of Health Sciences Turkey, Ankara, Turkey.; Department of Basic Medical Sciences, Gulhane Faculty of Dentistry, University of Health Sciences Turkey, Ankara, Turkey. |
| Source: | Journal of prosthodontics : official journal of the American College of Prosthodontists [J Prosthodont] 2026 Oct; Vol. 35 (8), pp. 1312-1323. Date of Electronic Publication: 2026 Aug 18. |
| Publication Type: | Journal Article; Comparative Study |
| Language: | English |
| Journal Info: | Publisher: Wiley-Blackwell Country of Publication: United States NLM ID: 9301275 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1532-849X (Electronic) Linking ISSN: 1059941X NLM ISO Abbreviation: J Prosthodont Subsets: MEDLINE |
| Imprint Name(s): | Publication: Hoboken, NJ : Wiley-Blackwell Original Publication: Philadelphia, PA : W.B. Saunders Co., c1992- |
| MeSH Terms: | Zirconium*/chemistry , Zirconium*/radiation effects , Composite Resins*/chemistry , Dental Materials*/chemistry , Dental Materials*/radiation effects , Plasma Gases*/chemistry , Yttrium*/chemistry , Dental Bonding* , Lasers*, Dental Stress Analysis/instrumentation ; Methacrylates/chemistry ; Dental Polishing/methods ; Surface Properties ; Shear Strength ; Materials Testing ; Time Factors ; Humans ; Pressure ; Microscopy, Electron, Scanning ; Stress, Mechanical ; Wettability ; Temperature ; Gingiva ; Random Allocation |
| Abstract: | Purpose: To evaluate and compare the effects of surface activation by low-pressure plasma (LPP) and surface texturing by ytterbium fiber laser (YFL) treatments on zirconia surface properties and shear bond strength (SBS) to a gingiva-colored indirect composite under aged and non-aged conditions. Materials and Methods: Sixty zirconia specimens were prepared, polished, sintered, and air-abraded under standardized conditions. The specimens were randomly assigned to three groups according to the applied surface treatment: control, LPP, and YFL. Surface roughness and contact angle were measured before and after surface treatments. A gingiva-colored indirect composite was bonded to the zirconia surfaces using an 10-Methacryloyloxydecyl dihydrogen phosphate (MDP) containing primer and standardized mold. Each group was further divided into aged and non-aged subgroups (n = 10). Thermal aging was performed using thermocycling (5000 cycles, 5°C-55°C). SBS was measured, and failure modes were analyzed. Surface morphology, phase composition, and representative failure modes were evaluated using scanning electron microscopy (SEM) and X-ray diffraction (XRD) analyses. Results: Surface treatments influenced zirconia wettability, with LPP showing a greater reduction in contact angle compared to YFL. YFL groups exhibited higher SBS values than both LPP and control groups under both aged and non-aged conditions. Thermal aging showed a significant overall effect on SBS, although no significant differences were observed between aged and non-aged specimens within each surface treatment group. Failure modes were predominantly adhesive in low-strength groups, whereas mixed failures were more frequent in high-strength groups. Conclusion: YFL enhanced bond strength at the zirconia and gingiva-colored composite interface compared to LPP, whereas aging showed a small but significant overall effect on bond strength, with no significant interaction between aging and surface treatment. (© 2026 The Author(s). Journal of Prosthodontics published by Wiley Periodicals LLC on behalf of American College of Prosthodontists.) |
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| Grant Information: | University of Health Sciences Türkiye Research Foundation |
| Contributed Indexing: | Keywords: bond strength; composite resin; laser; low‐pressure plasma; zirconia |
| Substance Nomenclature: | C6V6S92N3C (Zirconium) 0 (Composite Resins) S38N85C5G0 (zirconium oxide) 0 (Dental Materials) 0 (Plasma Gases) 85590-00-7 (methacryloyloxydecyl dihydrogen phosphate) 0 (Methacrylates) 58784XQC3Y (Yttrium) |
| Entry Date(s): | Date Created: 20260819 Date Completed: 20261006 Latest Revision: 20261008 |
| Update Code: | 20261008 |
| PubMed Central ID: | PMC13639820 |
| DOI: | 10.1111/jopr.70219 |
| PMID: | 42613817 |
| Database: | MEDLINE |
| ISSN: | 1532-849X |
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| DOI: | 10.1111/jopr.70219 |