Bar overdenture

Dental Removable partial or complete denture, supported by dental implants or implants and tissue. Dental implants are connected together with a bar, representing or incorporating attachment mechanisms for retention and/or support of a denture.

Barrier membrane

Device helping to confine a grafted area. It can prevent movement of a graft and/or controls the growth of undesirable cells into a site with or without grafted material.


Brain Controlled Bionic Ear


Bundesinstitut für Arzneimittel und Medizinprodukte German state authority for pharmaceutical products and medical devices


Breast implant-associated anaplastic large cell lymphoma more (WHO) more (FDA) more (Breast Implant Associated)


Bone to implant contact Direct contact of bone with an implant surface at the light microscope level.


syn.: Absorbable Property of a material that degrades and dissolves in vivo. Its breakdown products are incorporated into normal physiologic and biochemical processes (e.g. bioabsorbable membranes or sutures).


Designed to assist or modify a biological activity.

Bioactive glass

Absorbable alloplastic material composed of metal oxides: SiO2, Na2O and P2O5. It has the ability to form a chemical bond with living tissues thereby helping stabilize a filled defect site and maintaining a rigid scaffold upon which cells can migrate and grow.


Capacity of a material to fulfil its function with an appropriate response for a specific application from the receiving host. Quality of being accepted in a specific living environment without adverse or unwanted side effects. ——————————————————————————————————————— Biomaterials are non-living natural or synthetic materials that are used in contact with the living body and must therefore be biocompatible

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Progressive alteration or breakdown of a material in a biological environment.


Progressive alteration of a material in a biological environment.


The bonding of living tissue to the surface of a biomaterial or implant, which is independent of any mechanical interlocking mechanism.


A material intended to interface with the biological System to evaluate, treat, augment or replace tissue, organ or function of the organism. Material specially prepared and/or presented to exhibit bioacceptability, biocompatibility or positive biocompatibility.


Scientific field that deals with the mechanical properties of any biomechanical device, device-tissue interface or the properties of tissues themselves.


Able to replicate or imitate a body structure (anatomy) and/or function (physiology).


Biomimetics or biomimicry is the imitation of the models, systems, and elements of nature for the purpose of solving complex human problems.


Bionics or biologically inspired engineering is the application of biological methods and systems found in nature to the study and design of engineering systems and modern technology.


Removal and examination of sample tissue for diagnosis.


Workable, non-resorbable glass ceramic out of the SiO2-Al2O3-MgO-Na2O-K2O-F-system by 3di GmbH. Crystal phase (ca. 60 %) with mainly phlogopit-crystals, embedded in a alumosilicateglassmatrix (ca. 40 %).

Biphasic tricalcium phosphate

also: BCP Chemistry:  Mixture of two phases, hydroxyapatite, HA, and β-tricalcium phosphate. It is a ceramic. Preparation involves the sintering causing the irreversible decomposition of calcium deficient apatites alternatively termed non-stoichiometric apatites or basic calcium phosphate, an example is: Ca10-δ(PO4)6-δ(HPO4)δ(OH)2-δ → (1-δ)Ca10(PO4)6(OH)2 + 3δCa3(PO4)2. It has been used in implants for petiapical tooth surgery, in orthopedic surgery. …

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biventricular assist device While left ventricular assist devices (LVADs) are common treatment for patients with heart failure, a sizeable portion of LVAD recipients demonstrate clinically significant postoperative right ventricular failure and potentially require a biventricular assist device (BiVAD). (Mechanical Circulatory and Respiratory Support)

Black triangle

Dental Black space visible, if the papilla (soft tissue in between two teeth) is missing or does not totally fill the embrasure space.

Blade implant

Dental A laminar endosseous implant designed to be placed within the bone in a surgically prepared thin groove, especially in narrow alveolar ridges.

Block graft

Graft consisting of an autogenous block of bone, taken from a different site and usually fixed with screws.


Bone Morphogenetic Proteins are osteogenous and osteoinductive, as they induce differentiation of tissues. They induce bone building in every tissue.


Acronym: Basic multicellular unit.

Body dysmorphic disorder

A psychological condition characterized by excessive worry about an imagined or minor physical flaw to the point that it can interfere with normal daily activities.


The hard portion of the connective tissue that constitutes the majority of the skeleton. It consists of an inorganic component (67%, minerals such as calcium phosphate) and an organic component (33%, collagenous matrix and cells) Cortical bone. Syn.: Compact bone. The noncancellous hard and dense portion of bone consisting largely of concentric lamellar osteons and …

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bone conduction

Bone conduction is the conduction of sound to the inner ear through the bones of the skull. Bone conduction transmission can be used with individuals with normal or impaired hearing. Bone conduction is used in the following applications: – hands-free headsets or headphones – bone-anchored hearing aids with assistive listening devices – specialized communication products …

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Bone density

There are different definitions, non of them with exact reliable data for clinical use: 1, Histological: The “density” is calculated from the percentage of all bone tissue that is constituted by mineralized bone 2, Radiological: Mineral in bone is measured by x-ray translucency, defined as Hounsfield units. 3, Clinical: Tactile assessment of bone quality while …

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Bone expansion

Surgical widening of bone to augment its volume. In oral implantology also: Ridge expansion (or splitting) to widen the residual ridge.

Bone marrow

Soft spongy tissue found in the center of bone that contains fat and/or hematopoietic tissues.


Of or pertaining to cattle.



Brazilian Butt Lift

The Brazilian buttock lift, more commonly known as a  The Brazilian butt lift (BBL) aka Brazilian buttock lift, is an aesthetic procedure that helps improve the shape of the buttocks by injecting it with fat from other areas of the body (liposuction). Other areas can be: abdomen, thighs, lower back. Commonly it is an outpatient …

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Breast Augmentation

Enlargement of the breast by surgical implantation of a breast implant. The first time a breast implant is placed to increase breast size, it is called Primary Augmentation. All subsequent times the implant is replaced, it is called Revision Augmentation.

Breast Reconstruction

A surgery to reconstruct a breast after tissue was removed because of cancer or injury.

bridge therapy

A bridge therapy means to bridge to another stage of therapy or health. There are various types of bridge therapies: Bridge to transplant Bridge to candidacy Bridge to decision Bridge to recovery Anticoagulation bridge Opposite: Destination therapy

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