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Changing face of modern dentistry.

COLIN Caster, managing director of City Dental, explains how his team uses cutting edge technology to produce state of the art dentures: DENTURES or "false teeth" are prostheses constructed to replace missing teeth.

The first recorded dentures were produced by the Etruscans in Northern Italy and made from human or animal teeth circa 500BC. Human anatomy has evolved very little, thankfully however modern materials and techniques have.

Modern dentures are produced in a dental laboratory under dentist prescription or by a Clinical Dental Technician; a dental team member qualified as a dental technician then further qualified to carry out the clinical aspects of denture construction.

The process involves primary impressions to make special trays fitting the patient's mouth accurately achieving a much more detailed secondary impression to produce a master model.

Wax rims and bases are produced to allow the clinician to check several key points: fit, facial seal, the occlusion (how the patient bites together), facial aesthetics, the position, size, shape and shade of the teeth to be used to give the most natural appearance.

Next a wax "try-in" using the chosen teeth. At this stage the phonetics are checked to ensure the patient speaks normally with their new teeth, if adjustments are necessary alterations are made and a "re-try" carried out.

The dentures are finished once the patient is completely satisfied. The dentures are finished in the most modern advanced acrylics. Once fitted the patient attends a review programme to ensure they are completely at ease with their new teeth.

Modern implant technology allows patients who have previously lost some or all of their teeth to have them replaced using implants to support their new teeth. Anything from a single tooth to a full set of dentures can be replaced using implants for support.

An x-ray or CT scan is taken to ensure there is sufficient available bone and indicate the position of nerves and other structures which need to be avoided when placing the implants.

An implant surgeon carries out a surgical procedure to place the implants into the jaw bone. Implants can be restored immediately in some cases or left to integrate for a short period then restored.

There are a variety of restorations replacing one missing tooth to a full arch of teeth which are fixed in place giving the patient the closest thing to having natural teeth. Implants can be used to stabilise dentures giving patients the best of both worlds where dentures are held firmly in place but can be removed for easy cleaning.

Digital dentistry is used to plan accurate implant placement. Then in the dental laboratory a computer is used to scan the implants and a computer is used to design the frameworks (CADCAM).

The framework is then milled from the material of choice of titanium or zirconia with amazing accuracy, about 4 microns which provides a superb fit on to the implants.

The frameworks are then used either to carry the denture teeth which are processed onto the framework or porcelain teeth are built up directly onto the Zirconia framework to complete the process.


<BThe expert team at City Dental can advise on the appropriate treatment for you, from left , Andrew Graham, Mark Maley, managing director Colin Caster, Stuart Reading, Lesley Caster, Alan Forrest, Victoria Gray, Sue Forrest
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Publication:The Journal (Newcastle, England)
Date:Jan 23, 2016
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