Basic Guide about Periodontistycs day by day

Informationfor patients

What is adental implant?

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A dental implant is a screw, usually made from titanium, that is used to replace the root of a missing tooth. The implant is screwed into the jaw where it provides a solid foundation for a crown, bridge or other dental prosthesis that replaces one or more missing teeth.

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What isosseointegration?

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After an implant is placed, the surrounding bone will grow in contact with the implant surface and attach to it. This process of attachment is called ‘osseointegration’.If osseointegration is not esta-blished or is lost, the implant will become mobile and will fail.

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What are dentalimplants for?

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Implants are used to fix a crown, a bridge, or a prosthesis that repla-

ces one or more missing teeth. The aim is to improve the person’s

health, chewing function and/or aesthetic appearance.

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What are the treatment optionsfor replacing asingle tooth

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There are several options for replacing a single tooth. Not all of them involve implants.An implant can be placed into a gap left by a single missing tooth, and a crown can be fixed on to it if the adjacent teeth are still in place, these can be prepared to carry a bridge. The bridge is cemented on to the two adjacent teeth andreplaces the lost tooth.A single tooth can also be replaced with a re-movable prosthesis. This approach is only used when other teeth in the mouth also have to be replaced using the same removable prosthesis.

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What are the treatment optionsfor replacingtwo or moreadjacent teeth?

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There are several options for replacing two or more adjacent teeth. Not all of them involveimplants. Implants can be placed in the area where the teeth are missing, then single crowns or a bridge can be fixed on to the implants.Depending on the status of the remaining teeth and their distribution, these can be prepared to carry a bridge. The bridge is cemented on to the teeth and replaces the lost teeth a tooth-supported bridge is not suitable if theperson has too many missing teeth.Instead, implants can be placed and used tosupport either a fixed bridge or aremovable prosthesis.

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What are the treatment options for the replacement of a full arch?

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A removable prosthesis supported by two to six implants can replace the missing teeth.A fixed bridge supported by four to eight implants can replace themissing teeth.A removable prosthesis that fits on to the alveolar ridge without being anchored by implants is alsoan option.

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What are theadvantages of

replacing lost teeth with implants?

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Fixed bridges supported on implants nor-mally give the comfort and sensation of

natural teeth.

A removable prosthesis that replaces some or all of the teeth can also provi-

de a high level of comfort providing it is well anchored on implants neighbouring healthy teeth do not have to be prepared

to serve as abutments for bridges.

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What materialsare used for

implantrestorations?

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Once the implant has been placed, a restoration (a crown, bridge or removable prosthesis) is

placed on it. Removable prostheses are normally made of an acrylic material. Fixed restorations (crowns and bridges) have an inner framework that is made of metal or a strong ceramic ma-terial. A tooth-coloured ceramic material (por-celain) is then fused on to this framework. The

inner core of metal can be made fromvarious alloys.

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The most common metals used are various types of noble alloys or titanium. Restorations that are

made of an inner framework of metal combi-ned with a porcelain coating are called ‘metal-

ceramic’. Restorations that are made entirely of porcelain are called ‘all-ceramic’. All-ceramic

restorations are normally not recommended for the replacement of molars.

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Is titanium the only material thatosseointegrates?

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Various materials can osseointegrate, but implants made of commercially pure tita-nium are the most common. Implants made of ceramic materials (e.g. zirconium oxide) have been introduced in recent years, but long-term studies of their survival rates are not yet available.

I am allergic to tita-nium. Can I still have dental implants?

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Dental implants are normally made of commercially pure titanium. Allergy to titanium is extremely rare and only a few cases have been reported. If you are allergic to titanium, it will generally not be possible to replace your lost teeth with dental implants. Instead, other types of tooth replacements will need to be consi-dered, including bridges retained by the adjacent natural teeth or aremovable prosthesis.

Basic Guide about Periodontistycs day by day

Informationfor patients