Dündar Yılmaz Berivana, Halil Tepe İbrahimb, Nigiz Remzia, Seyfioğlu Polat Zelala, Mutluay Unal Serverc
aUniversity of Dicle, Faculty of Dentistry, Department of Prosthodontics, Diyarbakir, Turkey
bUniversity of Afyonkocatepe, Faculty of Dentistry, Department of Prosthodontics, Afyonkarahisar, Turkey
cn/a
Summary
Background/Aim: In recent years, the role of computer aided design (CAD) and computer aided manufacturing (CAM) in dentistry has increasingly become important. However, the influence of different Yb: fiber laser applications on surface roughness of CAD/CAM implant has rarely been studied. The aim of this study is to investigate the effect of different Yb: fiber laser parameters on the surface roughness of CAD/CAM titanium. Material and Methods: Titanium samples, produced by CAD/CAM, were divided into 11 groups according to laser parameters such as scanning types (ST), application angles (AA) and hatch interval (HI). The surface roughness of CAD/CAM titanium was examined for each group. Wettability contact angles (CA) were also determined. Results: The highest surface roughness (43 mm) value was obtained for Group 10 (three-ways ST, 60o AA, 0.07mm HI). The lowest value (2.77 mm) after control group was obtained for Group 6. Surface roughness values, for Group 3, Group 9 and Group 10 were significantly higher than for the other groups (P= 0.000). In contact angle evaluations, the highest contact angle (144o) was observed in Group 10, while the lowest (95o) was observed in control group. Conclusions: Surface roughness was dependent on mixed effect of the laser application parameters. Three-ways ST, 60o AA, 0.07mm HI provided highest surface roughness and wettability contact angles. The surface roughness values of one-way ST, 0.06 mm HI, two-ways HT, 45o AA and 0.08 mm HI and three-ways ST, 60o AA and 0.07 mm HI were significantly higher than for the other groups (P=0.000).
Keywords: Titanium; CAD/CAM; Yb: Fiber Laser; Surface Roughness; Scanning Type; Hatch Interval
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Balkan Journal of Dental Medicine, 2022, vol. 26, br. 1, str. 52-57