An alternative device to a mask that blocks a patient's aerosol and avoids contamination of the patient's surrounding environment is described. The device has a flexible arm that holds an aerosol disposal pipe with one side connected to a wall, a bed, or pole attached to a floor. The second side of the flexible arm is attached to a circular or elliptical pipe that covers the face of the patient. The elliptical or circular pipe comprises of two independent moving and rotating halves to create two aerosol sucking planes. The sucking function is provided by sucking fans attached to the two halves of the circular or elliptical pipes or by a remote pump. The sucked aerosol may be filtered and released to the environment or guided to a sink P-Trap or an inlet of sewer.

Aspects of the present disclosure relate to systems, devices and methods for performing a surgical step or surgical procedure with visual guidance using an optical head mounted display. Aspects of the present disclosure relate to systems, devices and methods for displaying, placing, fitting, sizing, selecting, aligning, moving a virtual implant on a physical anatomic structure of a patient and, optionally, modifying or changing the displaying, placing, fitting, sizing, selecting, aligning, moving, for example based on kinematic information.

Aspects of the present disclosure relate to systems, devices and methods for performing a surgical step or surgical procedure with visual guidance using an optical head mounted display. Aspects of the present disclosure relate to systems, devices and methods for displaying, placing, fitting, sizing, selecting, aligning, moving a virtual implant on a physical anatomic structure of a patient and, optionally, modifying or changing the displaying, placing, fitting, sizing, selecting, aligning, moving, for example based on kinematic information.

A bone graft carrier has a body. The body has a containing portion, a conveying portion, and an opening. The containing portion is formed at one of two ends of the body and has a chamber. The conveying portion is formed at the other one of the two ends of the body, is tapered, is connected to the containing portion, and has a delivery channel communicating with the chamber of the containing portion. The opening is formed through a top surface of the body and directly communicates with the chamber of the containing portion and the delivery channel of the conveying portion.

Provided is an instrument holder that allows an instrument to be smoothly, safely, and hygienically handled by holding the instrument in a standing posture when in use and by holding the instrument in a posture not allowing the instrument to easily contact a practitioner when not in use. A holder portion 15 of an instrument holder 12 has a pair of supporting body portions 16, a rotational body portion 23 that is supported by the supporting body portions 16 and that is rotatable, and a holder body portion 31 that is attached to the rotational body portion 23. The holder portion 15 alternately changes between a rearwardly tilting holding state and a forwardly tilting waiting state due to rotation of the rotational body portion 23.

Provided is an instrument holder that allows an instrument to be smoothly, safely, and hygienically handled by holding the instrument in a standing posture when in use and by holding the instrument in a posture not allowing the instrument to easily contact a practitioner when not in use. A holder portion 15 of an instrument holder 12 has a pair of supporting body portions 16, a rotational body portion 23 that is supported by the supporting body portions 16 and that is rotatable, and a holder body portion 31 that is attached to the rotational body portion 23. The holder portion 15 alternately changes between a rearwardly tilting holding state and a forwardly tilting waiting state due to rotation of the rotational body portion 23.

Disclosed herein are protective apparatuses for minimizing the risk of transmission of SARS-CoV-2 and other infectious diseases between individuals in close proximity to one another. Said apparatuses may comprise a receiving component comprising a first aperture comprising a series of flanges; as well as a substantially transparent shield component. Protective apparatuses of the present disclosure may be used to protect dentists and other healthcare workers from transmission of infectious agents through aerosols and through transmission of droplets and other bodily fluids that may contain infectious agents and likewise may be used to protect patients in the same manner. Also disclosed herein are systems comprising such protective apparatuses installed to a substantially cylindrical suctioning device such as a vacuum hose or operatively attached to an articulating mechanical arm. Also disclosed herein are methods of using such protective apparatuses and systems to mitigate the risk of transmission of infectious diseases between, without limitation, patients and healthcare workers treating such patients.

An apparatus and method for a dental tool holder for use with a cassette assembly for cleaning and preparing dental tools for use. The dental tool holder includes a body with a set of openings. A set of slits extend through the exterior of the body to the openings for the insertion of tools. Opposite of the openings, a valley can be formed in the body at each slit. Additionally, slots can be provided between each set of one slit and one opening.

The present invention is a dental storage box (1) comprising a 3-dimensional hollow body (10) whose at least one surface is open and at least one outer cover (13) which closes the open surface of said body (10) in a manner providing sealing, in order to preserve a tooth, removed from the place thereof as a result of a trauma, for at least partially increasing the vitality duration of the tooth thanks to a protective liquid (30) provided therein. Accordingly, the subject matter dental storage box (1) is characterized by comprising at least one separator (15) provided inside the body (10) and which separates the protective liquid (30) and at least one cleaning liquid (40) in a manner providing sealing.

Aspects of the present disclosure relate to systems, devices and methods for performing a surgical step or surgical procedure with visual guidance using an optical head mounted display. Aspects of the present disclosure relate to systems, devices and methods for displaying, placing, fitting, sizing, selecting, aligning, moving a virtual implant on a physical anatomic structure of a patient and, optionally, modifying or changing the displaying, placing, fitting, sizing, selecting, aligning, moving, for example based on kinematic information.