Dental tools and methods for at least one of seating, insertion and removal of one or more components of dental attachment assemblies are described herein. The dental tools comprise an elongate member, an expandable grabber positioned around at least a portion of the elongate member, and an adjustment mechanism. The elongate member comprises an expander, which can have different widths or diameters along its length such that an adjustment of a position of the expandable grabber relative to the elongate member via the adjustment mechanism adjusts a width or diameter of at least a portion, preferably an end portion, of the expandable grabber.

A bar for connecting dental implants, the bar provided to be received in a cavity of a component of a dental prosthesis, a base made of a biocompatible material including a high-performance polymer, and the base including recesses and the bar including click elements that are received in the respective recesses, the click elements provided for making click connections for connecting the bar to the dental implants, assembly of an overdenture and the bar, and an overdenture.

A dental attachment assembly is provided, including an abutment member and a male member. The abutment member may include an outer locating surface portion having at least two axially spaced retention portions having two generally rounded, annular projections. The male member for engagement over the outer locating surface of the abutment member may include an upper end and a continuous, unbroken skirt having a rounded, convex outer surface. The male member may be constructed from a rigid material and have at least two axially spaced, snap engaging formations on the inner surface of the skirt for snap engagement with the respective retention portions of the abutment member.

Proposed is a hybrid ceramic prosthesis. Since the prosthesis is made of a novel hybrid ceramic material, the prothesis has a similar color and transmittance to natural teeth, minimizes tooth removal during preparation for placement of the prothesis, is securely attached to the target tooth by snap-fit fastening to prevent detachment of the prothesis and re-treatment caused by the prothesis detachment, and can be more conveniently applied to the patient than conventional prostheses, enabling an one-day-one-stop dental procedure, thereby reducing burden to patients. The prothesis is useful as a primary crown.

Apparatus and methods for adjustably retaining an oral appliance to an abutment assembly are disclosed. In one variation, a securement apparatus can comprise a sleeve having a sleeve frame and a number of locking flaps. The sleeve can define a lumen therethrough for positioning upon an abutment assembly. The locking flaps can have varying length dimensions and can project radially inward or outward relative to the sleeve frame. The outward flaps can lock against surface features defined along an inner surface of a coping coupled to the oral appliance and the inward flaps can lock against surface features defined along a portion of the abutment assembly. The sleeve can release the oral appliance from the abutment assembly when the locking flaps of the sleeve are actuated by an actuation unit.

A frictionally-retained detachable dental anchor device is provided for adjustably attaching a dental appliance with a tooth root or implant. The dental anchor device includes a cap secured in the dental appliance, an abutment attached with a tooth root or implant, and a compressible retention member with a first end in fixed attachment with the cap and a second end in snap engagement with the abutment via a frictionally-retained ball secured within a cavity of the abutment. The retention member is formed using a compressible material to allow the ball to compress and the retention member to flex while inserting the ball into the cavity. Additional friction-retained and fixed attachment configurations of the dental anchor device are provided, along with methods of securing a dental appliance in a subject's mouth by means of the friction-retained and fixed attachment dental anchor devices.

A digital integrated molding method for dental attachments includes 3D design, aiming at acquiring 3D data of an attachment itself through 3D scanning of an attachment preform, carrying out modeling design directly on the basis of acquired data, adjusting corresponding positions of an inner-crown and an attachment, or a bridge and an attachment by design software, and directly designing the attachments of the inner-crown and the bridge into a whole; data processing, aiming at slicing the integrated inner-crown and attachment or bridge and attachment for additive manufacturing; and additive manufacturing, aiming at processing an integrated inner-crown, bridge or attachment. The molding method can greatly improve the molding accuracy of dental attachments, and ensure the relative accuracy of inner-crowns, bridges or attachments.

The present disclosure relates, in some embodiments, to a dental prosthesis and methods of use thereof. According to some embodiments, a dental prosthesis includes a dental implant surgical guide, a prosthesis base, a prosthesis cover, at least one implant configured to be inserted through the dental implant surgical guide and the prosthesis base into a dental surgical site; and at least one implant fastener configured to attach to the at least one implant. A prosthesis base may include: a base bottom configured to sit adjacent to a dental surgical site, and a base top including a base recess, the base recess including at least one base aperture. In some embodiments, the dental implant surgical guide is configured to sit within a base recess. A prosthesis cover, in some embodiments, may include a cover recess configured to encapsulate at least a portion of the dental implant surgical guide within the base recess.

Dental attachment assemblies for a mouth of a patient are provided. Contemplated dental attachment assemblies may include an abutment member, and a retention member for attachment to the abutment member. The retention member may comprise an upper end and a continuous, unbroken skirt projecting from the upper end for fixed, non-patient removable, fixed engagement over an outer locating surface of the abutment member. The retention member can be constructed from a rigid material, such as PEEK, such that it provides a retentive force of about 10 to 75 pounds. The abutment member may be configured for attachment to an implant having an upper portion including a threaded portion configured to screw into a threaded recess of an abutment, and a lower portion including an angled platform and a threaded post extending from the platform.

The invention relates to an apparatus for releasable attachment of a removable dental prosthesis to a head part of an implant or of an abutment that can be anchored in an implant, comprising a retention matrix (1) having a receptacle that accommodates a circular-ring-shaped retention element (2) that has at least two clamping arms (22), which is disposed so as to be displaceable along a center axis of the retention matrix (1), wherein the at least two clamping arms (22) form a mantle surface that widens conically toward the outside, and that the receptacle for the retainer element (2) has two sections (14, 15) having a different inside diameter, against the transition of which the at least two clamping arms (22) lie. The invention furthermore relates to a dental implant system, having such an apparatus.