Objective: To compare in vivo orthodontic mini-implants (MI) of smooth (machined) and rough (acid etched) surfaces. assessing primary and secondary stability. Methods:Thirty-six (36) MI were inserted in the mandibles of six (6) dogs. Each animal received six (6) MI. https://fitnessgravesyardes.shop/product-category/cardio-and-eport-signal-wire/