A, B, C = test group, electromagnetic osteotomes (Magnetic Mallet® - Meta Ergonomica S.r.l.): A = Osteotome 100P; B = Osteotome 160; C = Osteotome 200 (Source: Osseotouch LLC; Alabama, USA: www.osseotouch.com/en/products/magnetic-mallet/osteotomes).
D = control group, osseodensification burs (Densah® - Versah, LLC).