A61C8/0015

Osseointegrative surgical implant
11141244 · 2021-10-12 · ·

Embodiments of the present invention provide an osseointegrative implant and related tools, components and fabrication techniques for surgical bone fixation and dental restoration purposes. In one embodiment an all-ceramic single-stage threaded or press-fit implant is provided having finely detailed surface features formed by ceramic injection molding and/or spark plasma sintering of a powder compact or green body comprising finely powdered zirconia. In another embodiment a two-stage threaded implant is provided having an exterior shell or body formed substantially entirely of ceramic and/or CNT-reinforced ceramic composite material. The implant may include one or more frictionally anisotropic bone-engaging surfaces. In another embodiment a densely sintered ceramic implant is provided wherein, prior to sintering, the porous debound green body is exposed to ions and/or particles of silver, gold, titanium, zirconia, YSZ, α-tricalcium phosphate, hydroxyapatite, carbon, carbon nanotubes, and/or other particles which remain lodged in the implant surface after sintering. Optionally, at least the supragingival portions of an all-ceramic implant are configured to have high translucence in the visible light range. Optionally, at least the bone-engaging portions of an all-ceramic implant are coated with a fused layer of titanium oxide.

ABUTMENT
20210307880 · 2021-10-07 · ·

The present invention relates to an abutment of a dental implant system for connecting a dental implant and a suprastructure, said abutment comprising an abutment basic body extending from an apical end to a coronal end arranged opposite to the apical end. The abutment basic body comprises a dental implant connecting portion facing the apical end and adapted to fit with a corresponding abutment connecting portion of the dental implant and/or an intermediate part to be directly or indirectly connected with the dental implant. It further comprises a support portion facing the coronal end and designed such to allow the suprastructure to be mounted directly or indirectly. According to the invention, the abutment further comprises nanostructures formed on at least a portion of the outer surface of the abutment basic body, said nanostructures extending in at least two dimensions to 200 nm at most.

MEDICAL IMPLANT WITH DISCONTINUOUS OSSEOINTIGRATIVE SURFACE

A medical implant includes a base portion configured for implantation into a bone of a patient. The base portion is formed from an electrically insulating and biocompatible base material with retaining features on an outer surface of the base portion for gripping the bone in the patient. A plurality of titanium bands is positioned along the outer surface of the base portion.

DENTAL ARTICLE WITH A COATING COMPRISING NANOSTRUCTURES MADE OF YTTRIA-STABILIZED ZIRCONIA

A dental article including a dental article body made of a ceramic material and a coating formed on the surface of said dental article body. The coating includes crystalline nanostructures made of yttria-stabilized zirconia YSZ.sub.1, the crystal habitus of at least a portion of the nanostructures having at least approximately the shape of a regular convex polyhedron.

COMPOSITE MATERIAL AND BIOIMPLANT
20210196862 · 2021-07-01 ·

A composite material in one of embodiments includes a crystal phase of titanium fluoride and a metal crystal phase of titanium. The crystal phase of the titanium fluoride is present in a first region located away from a surface in a depth direction.

Low melting point glass composition excellent in water resistance
10988403 · 2021-04-27 · ·

To provide a glass composition which can be used for a dental porcelain or a dental ceramics coloring material, and has low temperature meltability, acid resistance and preservation stability under the humid environment which are required for a dental porcelain or a dental ceramics coloring material, and a dental porcelain and dental ceramics coloring material which contain the glass composition of the present disclosure. To provide a low melting glass composition with softening point (Ts) less than 600° C. comprising as a component; SiO.sub.2: 55.0 to 75.0 wt. %, B.sub.2O.sub.3: 6.1 to 12.0 wt. %, Al.sub.2O.sub.3: 2.0 to 8.0 wt. %, ZnO: 2.0 to 8.5 wt. % and two or more kinds of alkali metal oxide: 10.5 to 20.0 wt. %.

Spherical Tantalum-Titanium Alloy Powder, Products Containing The Same, And Methods Of Making The Same
20210016348 · 2021-01-21 · ·

A tantalum-titanium alloy powder that is highly spherical is described. The alloy powder can be useful in additive manufacturing and other uses. Methods to make the alloy powder are further described as well as methods to utilize the alloy powder in additive manufacturing processes. Resulting products and articles using the alloy powder are further described.

PROCESS FOR PROVIDING A DENTAL ARTICLE
20200367996 · 2020-11-26 · ·

A process for providing a sterilized dental article, at least a portion of the surface of which exhibiting a contact angle of less than 45. The process includes the subsequent steps of a) providing a dental article and b) subjecting the initial dental article to a hydrogen peroxide plasma treatment. It is characterized in that the hydrogen peroxide plasma sterilization treatment of step b) is carried out in the presence of a carbon-containing compound, which during treatment is converted to form a carboxylic group attached to the surface of the dental article.

SURFACE AREA OF A CERAMIC BODY AND CERAMIC BODY
20200360114 · 2020-11-19 ·

Disclosed is a dental implant with a post element that can be inserted into a jawbone and with a mounting element attached to the post element, to which mounting element and dental element can be affixed with the post element designed as a ceramic body of yttrium and/or aluminum oxide stabilized zirconium oxide. Said dental implant should have an even additionally improved ingrowth or integration behavior during the osseous implant healing, compared with the mentioned known concepts. According to the invention, the surface of the dental implant is provided with at least one partial area that has nanoscopic pore or an otherwise executed nanoscopic structure that has a depletion zone with a reduced yttrium and/or aluminum oxide element, compared with the internal volume.

Si—O—N—P related fabrication methods, surface treatments and uses thereof

Disclosed are compositions, methods and processes for fabricating and using a device or other implement including a surface or surfaces having a nanoscale or microscale layer or coating of SiONP. These coatings and/or layers may be continuous, on the surface or discontinuous (e.g., patterned, grooved), and may be provided on silica surfaces, metal (e.g., titanium), ceramic, and combination/hybrid materials. Methods of producing an implantable device, such as a load-bearing or non-load-bearing device, such as a bone or other structural implant device (load-bearing), are also presented. Craniofacial, osteogenic and disordered bone regeneration (osteoporosis) uses and applications of devices that include at least one surface that is treated to include a nanoscale or microscale layer or coating of SiONP are also provided. Methods of using the treated and/or coated devices to enhance enhanced vascularization and healing at a treated surface of a device in vivo, is also presented.