Table 1.

Description of the investigated Ti alloy mini-implants and discs

Device	Size	Material, surface characteristics
Custom-made mini-implant	1.8 × 1.1 × 10 mm (diameter × collar width × length)	Ti-4Al-6V, smooth surface (untreated)
Orlus mini-implant	1.6 × 1 × 7 mm (diameter × collar width × length)	Ti-4Al-6V sandblasted acid-etched surface
Disc	5 × 0.1 mm (diameter × thickness)	Ti-4Al-6V
Filings	Particles <100 μm	Ti-4Al-6V

Al: Aluminum; Ti: Titanium; V: Vanadium