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Restorative Dentistry » Precision & Attachment Dentures
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Replacing lost or missing teeth has substantial benefits for your health and appearance.
A complete or full denture replaces the natural teeth and provides support for cheeks and lips.
Without this support, sagging facial muscles can make a person appear older and reduce their ability to eat and speak.
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A dental denture is an appliance which is worn to replace lost or missing teeth to enable you to enjoy a healthy diet and smile with confidence. A complete or full denture is one that replaces all of the natural teeth in either the upper or lower jaws. A partial denture fills in the spaces created by lost or missing teeth and is attached to your natural teeth with metal clasps or devices called precision attachments.
The base of a denture is called a plate and can be made of either acrylic (plastic) or metal. The teeth are normally made of acrylic and can be made to match your natural teeth. This is especially important in the case of partial dentures.
Precision Denture – Monoductor
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Fig. 6By combined dental prosthesis we understand a combination of one component that is tightly anchored in the patient’s gum and another component that is removable.
Occasionally, a patient may only have lost teeth from one half of his/her natural set of teeth (fig.1). Due to the lack of a pillar tooth at the rear of the gum, it is impossible to manufacture a firmly fixed dental bridge. Furthermore, a large prosthesis with clamps or upper denture should also be avoided.
Under these circumstances it would be advisable, to manufacture a monoreductor. A monoreductor consists of a securely fixed and a removable component.
To create the highest possible stability at least two teeth sitting at the end of the tooth row will need to be joined by crowns (fig.2,4). They act as an anchor for the removable denture prosthesis.
A small prosthesis replacing the missing teeth can then be seamlessly connected (fig.3). To prevent this small prosthesis from being inhaled or swallowed during sleep, a tiny bolt is situated between the crown and the prosthesis. This bolt holds the prosthesis securely to the crowned teeth.
Pressing the tiny button situated on the inside (fig.5) of the prosthesis releases the former and it can be removed for cleaning purposes. On reinserting the prosthesis the bolt engages audibly (fig.6).
A dentist should check the correct fitting of the prosthesis at regular intervals.
Advantages:
+ Smallest possible method of replacement
++ „Invisible” replacement
+No irritations in the mouth area due to clamps, connector or plate
+++ inexpensive alternative to implants
Alternatives:
+++ Implants with dental bridges
+ Removeable dentures with abutments or “german crowns”
Precision Denture – Telescopic
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Fig. 6By combined dental prosthesis we understand a combination of one component that is tightly anchored in the patient’s gum and another component that is removable.
The various forms of removable part-prostheses differ above all in their biological valence, which affects their ability to give support and act by virtue ofdistributing, without damaging the natural set of teeth even after prolonged wear.
The functionality is mainly determined by the choice of the connecting elements, which are clamps, abutments, telescopes, as well as dental bridges and joints, to name but a few.
The supporting component is the patient’s own tooth, which carries a metal cap, the so-called inner telescope (fig.1,3). This cap is firmly cemented onto the tooth and remains in the patient’s gum after the removal of the prosthesis. The telescope is held in place by means of wall-friction between the individual components and at least two telescopes per jaw are required to obtain a proper replacement. It is possible to manufacture the prosthesis from palladium/silver, gold-alloy, zircon or titanium, however, based on its elasticity gold-alloy represents the preferred material in telescope technology.
A part or fully blended crown (fig.6) manufactured from synthetic material represents the outer telescope. It is firmly interconnected with the prosthesis component and can be easily removed for cleaning purposes. An optimal pressure distribution as well as an aesthetic result speak in favour of this option of dental prosthesis.
A dentist should check the correct fitting of the prosthesis at regular intervals.
Advantages, Disadvantages:
+ Easily expandable with later tooth-loss
++ „Invisible“ replacement
+ No irritations in the mouth area by clamps
+++ Inexpensive alternative to implants
Alternatives:
+++ Implants with dental bridges
+ Abutment prothesis
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