Dental surgery device (1), comprising - a punching element (15) having a cutting end part (16) suitable for the removal of tissue in the jaw of a patient, and - a guiding sleeve (7 ) to guide the punching element (15) during a punching operation, in which the guiding sleeve (7) has a first side (8) intended to be oriented in the opposite direction to the jaw and a second side (9) intended to be oriented towards the jaw during a punching operation, and in which a guiding through hole (101) extends from the first side (8) to the second side (9), in which the punching element (15) It is adapted to fit into the through-guide hole (101) such as to allow guidance by the guide sleeve (7) when the punching element (15) moves in an axial direction through the through-hole guide (101) ), characterized in that the punching element (15) and the guiding sleeve (7) are provided with complementary guiding means configured to control the axial movement of the punching element (15) through the guiding through hole (101) during the punching operation, in which the complementary guiding means comprise at least a guiding element (17) extending in a radial direction and at least one guiding groove (18) adapted to accommodate the guiding element (17) and guiding its movement along the guiding groove (18), in which the guide groove (18) extends both in the circumferential direction as well as in the axial direction so that, when the guiding element (17) and the guiding groove (18) are engaged, a rotation of the punching element (15) in relation to the guiding sleeve (7) forces the punching element (15) to move in relation to the guiding sleeve (7) in the axial direction thereof.Dispositivo de cirugía dental (1), que comprende - un elemento de punzonado (15) que tiene una parte de extremo de corte (16) adecuada para la retirada de tejido en la mandíbula de un paciente, y - un manguito de guiado (7) para guiar el elemento de punzonado (15) durante una operación de punzonado, en el que el ma
