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Dental Implants

at Capital Periodontics and Dental Implants

Capital Periodontics can help put a smile on your face by replacing compromised or missing teeth with dental implants.

What Are Dental Implants?

A dental implant is a titanium screw of similar dimensions to a tooth root placed into the jaw bone to act as a root of an artificial tooth. Over a period of two to three months following implantation the bone cells around the implant produce bone mineral against the implant surface and there is a biological “cementation” of the implant into the bone. This process is called osseointegration and is a dynamic process – that is, the supporting bone for the implant constantly undergoes the normal process of renewal as it does throughout our skeletons.

After a healing period which varies slightly from person to person, depending on bone density and procedural variables, the implant is tested for osseointegration and an appropriate dental restoration is constructed and fixed to the implant via an intermediary component called an abutment. The abutment is screwed into the implant and the restoration may also be screwed to the abutment or cemented in a similar fashion to a conventional tooth crown.

How Can They Help Me?

Dental implants can provide solutions for a range of tooth loss situations:

  • A single compromised or missing tooth.

  • Replacement of groups of compromised or missing teeth with an implant supported bridge or multiple individual implant supported crowns as an alternative to partial dentures.

  • Replacement of a complete arch of missing teeth in the upper and lower jaw as an alternative to conventional full dentures. This may take the form of a full arch bridge directly connected to, and supported by, a number of dental implants, or a denture stabilized by a number of implants to greatly enhance the denture’s retention and stability during chewing. This allows denture wearers to enjoy a much wider range of food types.

FAQs

How successful are Dental Implants?


Dental implants provide a very predictable outcome, but not all dental implants are successful. Current data on long-term survival of dental implants suggests that 90% of dental implant restorations will be successful over at least 10 years. A small number of dental implants (around 2.5%) do not successfully osseointegrate after placement. These are lost in the first two months after placement (early failure) and generally, Capital Periodontics and Dental Implants will replace these without cost to the patient, once there has been healing of the bone. Dental implants can also fail after some years (late failure). The causes for this are related to infection (peri-implantitis) for which smoking, poor oral hygiene and susceptibility to periodontal disease are risk factors.




What are the risks of failure?


People who have had problems with periodontal disease must be advised that they can develop similar problems with dental implants. For these people, regular checks and professional cleaning of their natural teeth and implant restorations are essential to ensure longevity of the dental implants as well as their remaining natural teeth. Similarly, smokers are more prone to bone loss around dental implants as with their natural teeth. Diabetics are more susceptible to oral infections and more likely to have problems with dental implants as with their natural teeth. Bone density varies around the jaws and can affect the healing period required as well as the success of dental implants. The least dense bone is found in the upper molar area and healing times are sometimes extended in this area if particularly soft bone is encountered during implant placement.




Are Dental Implants always the best solution for missing teeth?


Modern dentistry has a number of solutions for missing teeth, ranging from dentures and bridges to dental implants. Although dental implants can be a solution in most situations, other options may be more appropriate depending on a number of factors. These options need to be carefully considered in every case. Dental implant restorations have the advantage of being self supporting. They do not require adjacent teeth to be modified and can be brushed and flossed the same as natural teeth.




How are Dental Implants placed?


Most implants are placed while the patient is under local anaesthesia in a standard dental surgery. The procedure is performed under sterile conditions and infection is an uncommon complication. After numbing the area with conventional dental local anaesthesia, the gum is lifted from the site and the bone is prepared with special drills to the correct position and length. The implant is threaded into position and the gum repositioned with sutures. The healing period for osseointegration is usually between six and 12 weeks depending on individual circumstances. The implant is then tested for integration before impressions are taken by your dentist to construct the crown, which is attached to the implant via an intermediary component, called the abutment.




Is there much discomfort following the placement of Dental Implants?


Placement of dental implants is not usually associated with much post-operative pain. In the first six to eight hours following the procedure, some discomfort is experienced which is well controlled with analgesics. Swelling of the lips or cheeks of the gum tissue around the site can be expected for several days. This swelling is variable and more related to additional soft tissue procedures that may be required rather than the actual implant placement. The likely post-operative course should be discussed with your periodontist, as it will depend on the type of implant procedure that is planned.




What are the limitations?


To be successful, dental implants require bone of adequate dimensions. Often, when teeth are injured or become infected, supporting bone is lost. In addition, when teeth are extracted, there is always some loss of bone which varies from one person to the next. Occasionally, the bone loss can make it difficult to place a dental implant unless a bone graft is placed prior to the implant placement or, if the problem is less severe, at the same time as implant placement. The maxillary sinus is a chamber in the upper jaw which is situated above the upper premolar and molar teeth and can limit the amount of bone available for implant placement in these areas. For successful implant placement it is sometimes necessary to place a bone graft in the floor of the maxillary sinus or perform the “osteotome” technique whereby the sinus floor is carefully uplifted to permit bone grafting and the simultaneous placement of an implant of adequate length.




Can a Dental Implant be placed at the same time as the tooth is extracted?


Dental implants can be placed at the time of tooth extraction. This has the advantage of reducing the number of procedures required to replace a compromised tooth. However, it is not always desirable to have “immediate” replacement of teeth by dental implants as the success of an implant is dependent on initial stability of the implant in the extraction socket. Allowing an extraction socket to heal for even six to eight weeks will result in bone healing within the socket to ensure primary stability of the implant. Similarly the presence of an acute infection associated with a badly compromised tooth should be resolved following tooth extraction and before the placement of a dental implant.





Other treatments at Capital Periodontics 

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Periodontal Therapy

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Address: Suite 15, 5 McKay Gardens Professional       Centre, McKay Gardens, Turner, 2612
Phone: 02 6247 6534   Fax: 02 6247 0190
Email: 
reception@capitalperiodontics.com.au

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