Posts Tagged ‘ fixtures

Parts of a Branemark Dental Implant

Parts of a Branemark Dental Implant

Based on years of research and clinical use, the Branemark dental implant system showed the highest success rate. It has set the precedence for surgical techniques that result in a successful implant system.

The Branemark Dental Implant System consists of six components:
1. The implant fixture.
2. Cover screw.
3. Abutment.
4. Abutment screw.
5. Gold cylinder.
6. Gold screw.

The dental implant fixture is the component which is surgically installed into the jawbone. The cover screw is screwed into the top of of the fixture to prevent downgrowth of soft and hard tissue into the internal, threaded area. The abutment is the transmucosal component which is conneted using an abutment screw into the fixture. Gold cylinder is an integral part of the prosthetic component. It is connnected to the abutment with the gold screw.

The dental implant fixture is made of pure titanium with machined threads on the outer surface as well as the inner channel. The fixture is threaded into the jawbone using a series of surgical procedures to achieve an intimate contact between the dental implant fixture and bone. The top of the fixture has usually a hexagonal design and threads are visible in the internal channel. The apical portion is tapered and it has vertical notches.
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History of Dental Implants

History of Dental Implants. Photo credit: Oris Neobiotech


History of Implant Dentistry dates back to early Egypt. At that time, it was done by transplanting teetrh from slaves who would willingly sell their teeth. Teeth from animals were also used for dental implantation.

In early 16th century, replantation was performed on avulsed teeth. In 1886, tooth buds were tried to be implanted.
From late 1880 to early 1900, gold, porcelain, gutta percha and platinum were used as implant materials.

In early 1890, ceramics are used as a dental implant material. Ceramics are considered a biocompatible material,

In 1940’s, Modern Implantology began with a screw-type implant created by Formiggini. Chercheve introduced another screw type dental implant in 1962. It was made of chrome cobalt.

In 1966, blade type implant was developed by Linkow. The implant was made from chromium, nickel and vanadium. This used a one step procedure for implant placement through mucosa into bone. Blade-type implants were not proven clinically successful.

In 1967, Hodosh tried acrylic resin to fabricate dental implants in tooth forms and tested their biocompatibiliy in monkeys.

In 1982, single crystalline forms of ceramics have been developed for implant purposes. This is to increase hardness and to overcome ceramics’ brittleness problem. Single sapphire crystal implants have been used to support fixed partial dentures in the mandible. It was found out that the said implant was well tolerated by soft tissue.
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Parts of a Dental Implant

Components of a dental implant.

The Dental Implant consists of four components:
1. The implant fixture.
2. Cover screw.
3. Abutment.
4. Abutment screw.

The dental implant fixture is the component which is surgically placed into the jawbone. The cover screw is screwed into the top of of the fixture to prevent downgrowth of soft and hard tissue into the internal, threaded area. The abutment is the transmucosal component which is conneted using an abutment screw into the fixture.

The implant fixture is made of pure titanium with machined threads on the outer surface as well as the inner channel. The fixture is threaded into the jawbone using a series of surgical procedures to achieve an intimate contact between the dental implant fixture and bone. The top of the fixture has usually a hexagonal design and threads are visible in the internal channel.
Read more

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