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1. (im-plant´) to insert or graft material, such as tissue or radioactive material, into intact tissues or a body cavity; see also transplant.
2. (im´plant) any material inserted or grafted into the body.
cochlear implant see cochlear implant.
dental implant a prosthetic tooth with an anchoring structure surgically implanted beneath the mucosal or periosteal layer or in the bone.
Sequence of treatment with osseointegrated dental implants. From Darby and Walsh, 1995.
penile implant penile prosthesis.


1. To graft or insert.
See also: graft, transplant, prosthesis.
2. A surgically inserted or imbedded graft or device; also, a zone of cells or tissue transferred from another site through a developmental error or neoplastic process.
See also: graft, transplant, prosthesis.
[L. im-, in, + planto, pp. -atus, to plant, fr. planta, a sprout, shoot]


/im·plant/ (im-plant´) to insert or to graft (tissue, or inert or radioactive material) into intact tissues or a body cavity.


/im·plant/ (im´plant) an object or material inserted or grafted into the body for prosthetic, therapeutic, diagnostic, or experimental purposes.
cochlear implant  a mechanical alternative to hearing for deaf persons, consisting of a microphone, signal processor, external transmitter, and implanted receiver.
endosseous implant , endosteal implant a dental implant consisting of a blade, screw, pin, or vent, inserted into the jaw bone through the alveolar or basal bone, with a post protruding through the mucoperiosteum into the oral cavity to serve as an abutment for dentures or orthodontic appliances, or to serve in fracture fixation.
penile implant  see under prosthesis.
subperiosteal implant  a metal frame implanted under the periosteum and resting on the bone, with a post protruding into the oral cavity.
transmandibular implant  a dental implant for patients with severe mandibular alveolar atrophy; it is fixed to the symphyseal border and traverses the mandible to attach directly to a denture, bearing the denture directly.


v. im·planted, im·planting, im·plants
a. To insert or embed (an object or a device) surgically: implant a drug capsule; implant a pacemaker.
b. To graft or insert (a tissue) within the body.
v.intr. Embryology
To become attached to and embedded in the uterine lining. Used of a fertilized egg.
n. (ĭm′plănt′)
Something implanted, especially a surgically implanted tissue or device: a dental implant; a subcutaneous implant.

im·plant′a·ble adj.


[im′plant, implant′]
Etymology: L, implantare, to set into
1 (in radiotherapy) an encapsulated radioactive substance embedded in tissue for therapy. Seeds containing iodine-125 may be implanted permanently in prostate and chest tumors, and seeds of iridium-192 in ribbons or wire may be embedded temporarily in head and neck cancers. Sealed sources of cesium-137 or radium-226 may be implanted in the body cavity temporarily in the treatment of gynecological malignancies; strontium-90 in sealed sources may be embedded for a brief period (usually less than 2 minutes) in the treatment of eye tumors; needles containing radium-226 may be used as temporary interstitial implants. Patients with radioactive implants are isolated from other patients whenever possible.
2 (in surgery) material inserted or grafted into an organ or structure of the body. The implant may be of tissue, such as in a blood vessel graft, or of an artificial substance, such as in a hip prosthesis, a cardiac pacemaker, or a container of radioactive material.


See Cochlear implant.
A pliable silicone shell filled with saline (formerly with silicone gel) and placed between the skin and pectoral muscle o cosmetically enhance the breasts.
A titanium device—e.g., Brånemark system, Nobelpharma—which is surgically placed in the mandible or maxilla and allowed to “fuse” for 3 to 6 months to the bone (osseointegration), which serves as an anchor for attaching artificial teeth.
Any device placed into a surgically or naturally formed cavity of the human body and intended to remain there for a period of 30 days or more.

See Tumour implant.

(1) A generic term for a secondary tumour nodule, often understood to mean a mass that is not contiguous with the primary neoplasm, which is most common on the free surface of the peritoneum.
The term as used in surgical pathology is semantically problematic as it implies implantation of a primary lesion elsewhere in the peritoneal cavity, usually of the ovary, and ignores the possible origin of such implants from “renegade” embryonic rests in the peritoneal cavity and/or a multicentric origin of the lesions.

(2) A cluster of epithelial cells in the peritoneal cavity in patients with epithelial ovarian neoplasms that are of either borderline (i.e., of uncertain malignant potential) or frankly malignant (e.g., serous, mucinous cystadenocarcinoma).

Radiation oncology
A small amount of radioisotope sealed in a needle, seed, wire, or catheter, which is placed directly within or near a tumour to deliver brachytherapy.
noun A device that is inserted to preserve or maintain a function (e.g., a hip or knee prosthesis), or to preserve, enhance or alter a contour (e.g., a breast or chin implant).
verb To surgically place such a device in its appropriate site.


A material that is not original to its location. See Baerveldt glaucoma implant, Bioimplant, Dental implant, Molteno implant, Penile implant, Silicone implant, Visual implant Audiology See Cochlear implant Breast surgery A silicone shell shaped in the form of a breast and filled with saline or silicone gel Dentistry A titanium device–eg, Brånemark system, Nobelpharma that is surgically placed in the mandible or maxilla, allowed to 'fuse' in 3 to 6 months to the bone–osseointegration, which serves as an anchor for attaching artificial teeth Oncology Tumor implant, see there Surgery noun A device that is inserted to preserve or maintain a function–eg, a hip or knee prosthesis, or to preserve, enhance or alter a contour–eg, a breast or chin implant verb To surgically place such a device in its appropriate site. See Breast implant, Permanent adjustable implant.


1. To graft or insert.
2. Material inserted or grafted into tissues.
See also: graft, transplant
3. dentistry a graft or insert set in or onto the alveolar recess prepared for its insertion.
See also: implant denture
4. orthopedics A metallic or plastic device employed in joint reconstruction.
[L. im-, in, + planto, pp. -atus, to plant, fr. planta, a sprout, shoot]


(im'plant?) [ ¹in- + plant]
An object inserted into the body, e.g., a piece of tissue, a tooth, a pellet of medicine, a tube or needle containing a radioactive substance, liquid and solid plastic materials used to augment tissues or to fill in areas traumatically or surgically removed, artificial joints, and/or for other therapeutic purposes. See: mammaplasty, augmentation

auditory brainstem implant

An auditory prosthesis that bypasses the cochlea and auditory nerve and partially restores hearing by directly stimulating the cochlear nucleus complex. This type of implant helps those with retrocochlear deafness. The implant electrode is inserted directly into the auditory brainstem and is used for those who cannot benefit from cochlear implants because of lesions of the cochlea and/or auditory nerve. It has been used to treat patients who have undergone surgical excision of an acoustic neuroma. Synonym: brainstem implant

bone implant

An implant to repair bone or to cover implanted objects such as artificial hips or tooth implants.

brain implant

Any substance, tissue, or object placed surgically in the brain.

brainstem implant

Auditory brainstem implant.

breast implant

A surgically inserted object used to change the size and/or contour of the breast or chest wall, either using the patient's own tissue, e.g., a pedicle graft, or a prosthesis.

cochlear implant

An electrical device that receives sound and transmits the resulting signal to electrodes implanted in the cochlea. That signal stimulates the cochlea so that hearing-impaired persons can perceive sound.


Cochlear implants increase the likelihood of meningitis. Patients with cochlear implants should be vaccinated against pneumococcus and Haemophilus influenzae type b (Hib).
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dental implant

In dentistry, a prosthetic device in any of several shapes. It is implanted into oral tissues beneath the mucosa or the periosteal layer, or within the bone to support or hold a fixed or removable prosthesis. Synonym: tooth implant See: illustration


Ultrasonic devices should not be used on dental implants.

endosteal implant

A dental prosthesis that is partially submerged and anchored within the bone. The blade form and the cylinder form are the two types of endosteal implants used. The cylinder form, which is most common, consists of a screw, a small titanium cylinder, and an abutment surgically inserted into the bone. The blade form consists of one or more abutments. In both forms, the prosthetic device is placed on the abutment(s).

interstitial implant

An implant consisting of an applicator containing a radioactive source directly into a tumor to deliver a high radiation dose while sparing the surrounding tissues.

intracavitary implant

An implant consisting of an applicator containing a radioactive source directly into a hollow organ to deliver a high radiation dose to the organ while sparing the surrounding tissues.

radioactive implant

See: brachytherapy; interstitial implant; intracavitary implant

staple implant

Transosteal implant.

subperiosteal implant

A prosthesis for edentulous patients who cannot wear dentures (e.g., because of mandibular atrophy). The implant consists of a metal framework that rests on the residual ridge beneath the periosteum but does not penetrate the mandible.

tooth implant

Dental implant.

transosteal implant

A rarely used type of dental prosthesis that completely penetrates the mandible. Its use is complicated by infection and a high rate of implant failure. Synonym: staple implant

wafer implant

A slowly dissolving polymer impregnated with chemotherapeutic drugs. It is placed into the tissue space from which a cancer has been removedto deliver a strong dose of chemotherapy to any residual cancer cells that escaped the resection.


A fixture with one end implanted into the bone and the other end covered with a crown, often to serve as a stable abutment for a bridge or denture.


indwelling prosthetic (e.g. joint replacement)


1. To graft or insert.
2. (īm'plant) A surgically inserted or imbedded graft or device; also, a zone of cells or tissue transferred from another site through a developmental error or neoplastic process.
See also: prosthesis
[L. im-, in, + planto, pp. -atus, to plant, fr. planta, a sprout, shoot]


n a device, usually alloplastic, that is surgically inserted into or onto the oral tissue. To be used as a prosthodontic abutment, it should remain quiescent and purely secondary to local tissue physiology.
implant, abutment of,
n the portion of an implant that protrudes through the gingival tissues and is designed to support a prosthesis.
implant, anchor endosteal,
n an implant with a narrow buccolingual wedge-shaped infrastructure that is designed to be placed deep into the bone. The outline of the implant appears similar to a nautical anchor, and there is a variety of sizes and shapes to satisfy many anatomic and prosthodontic needs. Endosteal anchor implants are cast of chromium-cobalt surgical alloy and annealed.
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implant, anterior subperiosteal
n an implant placed in the anterior part of an edentulous mandible and designed to supply abutments in the two canine regions.
implant, arms of anchor endosteal,
n the major portion of the implant infrastructure.
implant, arthroplastic
n a cast chrome-alloy glenoid fossa prosthesis available in right and left models.
implant, blade,
n an implant with a bladelike shape used when a patient's jawbone is considered too narrow to receive a screw or a cylinder endosseous implant. Because of its shape, this implant can be inserted directly into a narrow jaw. These implants must be anchored to another blade implant, root form implants, or natural teeth to assist in handling lateral forces.
implant, blade endosteal,
n an implant with a narrow (buccolingually) wedge-shaped infrastructure bearing openings or vents through which tissue grows to obtain retention.
implant, bone,
n See graft, autogenous, bone; graft, iliac; graft,
implant, ceramic endosteal,
n an endosteal implant of a variety of designs constructed of silicate or porcelain.
implant, cervix of,
n that portion of an implant that connects the infrastructure with the abutment as it passes through the mucoperiosteum.
implant, CM (crūAxete manche) spiral end-osteal,
n a narrow-diameter screw implant designed for thin ridges.
implant, complete subperiosteal,
n an implant used for an entire edentulous jaw.
implant, complete-arch blade endosteal,
n a blade type of implant designed to be inserted into a completely edentulous ridge as a single appliance bearing multiple abutments.
implant, crown of anchor endosteal,
n the abutment part of an anchor implant.
implant denture,
n a prosthesis (denture) that is secured to the implants via the abutments or a connector bar.
implant, endodontic endosteal,
n an implant with a threaded or nonthreaded pin that fits into a root canal and extends beyond the dental apex into the adjacent bone, thereby lengthening the clinical root.
implant, endosseous,
n See implant, endosteal.
implant, endosteal,
n an implant that is placed into the alveolar and/or basal bone and that protrudes through the mucoperiosteum.
implant, fabricated,
n a custom-designed implant constructed for a specific operative site.
implant, fixation screw of subperiosteal,
n the screws, 5 to 7 mm long, that are made of the same surgical alloy as the implant and are used to affix the implant to the underlying bone.
implant, flukes of anchor endosteal,
n the end portions of the arms that rise to the most superficial portion within the bone.
implant, frame type of ramus endosteal,
n a prefabricated mandibular full-arch implant consisting of two posterior ramus implants: an anterior (symphyseal) endosteal component and a conjunction bar.
implant, helicoid endosteal,
n a two-piece end-osteal implant consisting of a helical steel spring that is inserted into bone as a female and a male that may be placed postoperatively and serves as the abutment.
implant, infrastructure of,
n the part of an implant that is designed to give it retention.
implant, intraperiosteal,
n an artificial appliance made to conform to the shape of a bone and placed beneath the outer, or fibrous, layer of the periosteum.
implant, mandrel of needle endosteal,
n a hollow device available in full, half, and shallow depths into which needle implants fit. The mandrel, in turn, is used in the contraangle to drive the needle implant into place.
implant, mesostructure,
n an intermediate superstructure. A series of splinted copings, each of which fits over an implant abutment or natural tooth and over which fits the completed prosthodontic appliance.
implant, needle endosteal,
n (pin endosteal) a smooth, thin shaft (self-perforating) that serves as an implant usually in conjunction with two others, the three being placed in bone in tripodal conformity.
implant, nonsubmergible,
n See implant, one-stage.
implant, one-stage,
n an endosseous implant placed in the bone and immediately fitted with an abutment or an implant already having a transmucosal coronal portion as part of the implant design so that the implant is exposed to the oral cavity during the healing process. This eliminates the need for a second surgery. Also known as a
nonsubmergible implant or a single-stage implant.
implant, oral,
n See implant.
implant, polymer tooth replica,
n an acrylic resin implant, shaped like the tooth recently extracted, that is placed into the tooth's alveolus.
implant, prosthetic
n an apparatus such as an artificial limb or a crown, bridge, or denture that is affixed to an implant in order to compensate for a missing body part (teeth).
implant, pterygoid
n an endosseous implant placed posterior to the maxillary first molar up into the pterygoid plate.
implant, ramus endosteal,
n a blade type of implant designed for the anterior part of the ramus. See also implant, endosteal, blade.
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Ramus frame implant.
implant, ramus frame
n a full-arch endosseous implant set into both rami and the symphyseal area of the mandible with a horizontal connecting bar that sits along the gingival tissues, thus forming a design similar to a monorail with a tripodial effect.
implant, root form,
n a cylindrical mechanism used to affix dental structures to the bone located under the soft tissue. These implants are classified under two forms: a threaded screw-type implant, and a smooth press fitted implant.
implant, seating instrument of anchor endosteal, arm type,
n a bayonet-shaped device designed to assist in seating an anchor implant by straddling its arms over a specially designed seating notch.
implant, seating instrument of anchor endosteal, crown type,
n a bayonet-shaped, double-ended device designed to assist in seating an anchor implant by cupping its crown or abutment.
implant, seating instrument of endosteal,
n a device designed to be placed on a portion of an implant so that malleting on it will seat the implant into the bone. It usually has an angled or bayoneted shaft to enable it to protrude from the oral cavity in a more-or-less vertical direction.
implant, shaft of anchor endosteal,
n the cervix of an anchor implant.
implant, shoulder of blade endosteal,
n the unbroken surface of the wedge-shaped infrastructure that is widest and most superficial. This part is tapped during the seating of the implant.
implant, single-stage,
n See implant, one-stage.
implant, single-tooth subperiosteal,
n an implant designed to replace a single missing tooth; usually unsupported by adjacent natural teeth.
implant, spiral endosteal,
n a screw type of implant, either hollow or solid, usually consisting of abutment, cervix, and infrastructure.
implant, staple,
n a type of transosteal implant that allows the attachment of a lower denture to the abutments of two or four threaded posts that go transcortically from a curved plate, which has been inserted through a submental incision and fixed into place at the inferior border of the mandible, through to the canine areas of the alveolar crest of the mandible; retentive screws partially inserted into the inferior border affix the rest of the plate. Also known as
mandibular staple implant and transmandibular implant.
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Mandible staple implant.
implant, stock,
n an implant, usually endosteal, that is available in manufactured form in uniform sizes and shapes.
implant, strut of subperiosteal,
n a thin, striplike component of an infrastructure.
implant, subperiosteal,
n an appliance consisting of an open-mesh frame designed to fit over the surface of the bone beneath the periosteum.
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Subperiosteal implant.
implant, superstructure of,
n a completed prosthesis that is supported entirely or in part by an implant. It may be a removable or fixed prosthesis but may be a single crown or a complete arch splint.
implant, threaded,
n an endosseous implant with threads resembling a screw; also known as a screw-type implant.
implant, transosteal
n an implant that passes completely through the buccal and lingual aspects of a toothless ridge; also, an implant whose threaded posts pass completely through the mandible in the parasymphyseal region from the inferior border to the alveolar crest, allowing the attachment of a dental prosthesis. Also known as a
transosseous implant. See also staple implant.
implant, two-piece,
n an implant, either end-osteal or subperiosteal, having its infrastructure and abutment in separate parts. Generally, the abutment, which is threaded, is screwed to the infrastructure some weeks after its incision, so that healing has taken place.
implant, two-stage,
n an endosseous implant placed in the bone, with the soft tissue over the implant being sutured closed in a stage-one surgery to allow osseointegration of the implant. A second surgery is performed later in which the soft tissue over the submerged implant is removed in order to thread an abutment into the implant so that a prosthesis can be attached; also known as a submergible implant.
implant, zygomatic
n a long, screw-shaped endosseous implant placed in the area of the former first maxillary molar up into the zygomatic bone following an intrasinusal trajectory and used as an alternative to bone augmentation of a severely atrophic maxilla.


1. to insert or to graft (tissue or radioactive material) into intact tissues or a body cavity.
2. any material inserted or grafted into the body, e.g. carbon fiber, metal or plastic prostheses, hormone, electronic signal, growth promoter.

biological implant
foreign materials placed in the body tissues for purposes of assisting in some function, either temporarily or permanently. May be made of soft tissues, synthetics, metals, or ceramics that are relatively inert and compatible with body tissues.

Patient discussion about implant

Q. Does anyone know if its possible to get breast implants if i have an implanted defibrillator? I have hypertrophic cardiomyopathy. I'm 27 and in great health, I workout 6 days a week and I have no further symptoms.

A. Thanks for your help. In fact I have an appointment with my cardiologist in a couple of weeks and if he says its OOK I will definitely consult it with the plastic surgeon as well. However I always try to do some additional research on my own and get second opinions.
Ince again,

Q. Do any of you with FM have silicone breast implants, or have you ever had them? How about saline? My silicone implants expired on the surgeon's shelf before they went in my body. Both implants ruptured and disintegrated within 5 years of implantation. I was diagnosed with FM shortly after 2 surgeries to remove silicone goo. Just wondering if anyone else has made the connection. Thank you!

A. As far as I know several studies failed to prove there is a connection between rupture of breast implants and fibromyalgia, as did the FDA conclude. Indeed I heard about one study that found this connection, but it seemed like a very problematic one.

You can read about this subject here (

Q. I have hypertrophic cardiomyopathy and an ICD. Is it possible to get breast implants with an ICD? I have no further symptoms: I workout and run 6 days a week, in good shape and only 27 years old.

A. Some medical equipment can damage your ICD If you are visiting your doctor , tell him or her that you have an ICD BEFORE they do any testing or treatment.i'm pretty sure they'll find a creative way to do the implant.any way- before doing any procedure- ask the cardiologist that handles you about it.

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