Worst types of dentures - nesbit tooth
Denture problems. Bad dental prosthesis. Worst dentures of all: nesbit partial or tooth, acrylic resin crown, acrylic resin partial denture ...
Temporary dental crown and acrylic resin pivot
This type of crown made from acrylic resin, is used until a real (definitive), porcelain or PFM (porcelain fused to metal) crown can be fitted. This period should not exceed 15 days, which is more than required in order to fit a permanent crown. No matter how well it was done, the temporary crown has no quality. Do not be tempted by the price and do not be fooled. It was not made to last, it does not have the perfection, hardness, colour stability or biocompatibility of a true fixed dental crown.
Nesbit denture, Nesbit rpd, Nesbit partial, Nesbit tooth
Unilateral removable prosthesis with one or more teeth and clasps at both ends
Also known as bridge with retentive clasps, nesbit tooth, or Nesbit rpd, this is a type of prosthesis that is extremely dangerous to use. Because of its small size, it can easily be swallowed or become lodged in the trachea. It seems very tempting to have a prosthetic tooth in acrylic prosthesis, which is limited to only one side of the mouth, specially when there are no missing teeth on the other side. Don't be lured by the nesbit low price.
In fact, it is what it seems, completely wrong. The removable denture should be always bilateral, it should extend to the other side of the arch in order to give it dimension, stability and retention. If you want to see images on this, please search for the term "nesbit partial or denture", which is the term by which they are known.
Usually a case like this is ideal for a dental bridge, with all the superior advantages of the fixed partial denture.
Removable partial denture without occlusal rests (vertical stop)
All removable partial dentures in acrylic or silicone are prostheses that sit on the gum, without any support from teeth presente in the mouth. This fact accelerates bone loss and consequent degradation of oral health conditions. It decreases the longevity of the remaining teeth, complicating or compromising the future possibility of prosthetic quality restorations.
The use of this type of denture is only temporarily justified, whilst the person waits for the undertaking of a good quality permanent denture.
Unfortunately, people's economic status has led them to use this kind of provisional prosthesis for much longer periods than they were designed.
These negative factors are even greater in flexible dentures. The characteristic that makes them alluring is the elasticity, which contributes to the damage of the alveolar bone much more than with a rigid acrylic prosthesis.
[Read about RPD - removable partial denture in metal and acrylic, the only acceptable type.]
Acrylic complete denture with hollow palate surface
The above known removable denture can fit in many ways, among which by vacuum formed between the palate and the denture. Sometimes it creates a zone in the middle of the palate without being in contact with the same, with a heart-shape or another, intended to raise such vacuum. It is wrong, unnecessary and dangerous because it enhances the deformation of the palate and the appearance of tumours. The correct procedure is to seal the end of the prosthesis in the area of the Fovea Palatini. A slight groove is sufficient to obtain a perfect seal.
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Removable partial denture (clasps)
Immediate and Temporary denture
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