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Mastication, Stability And Retention: Removable dentures, under the best of circumstances, do not have the same chewing efficiency as natural teeth. The ability to masticate food depends on the stability and retention of the dentures. Stability and retention are affected by many factors, including the attachment of the dentures to natural teeth or implants if any; the amount and type of bone, gum tissue and saliva; and the patient's dexterity and fit of the dentures. *

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Appearance: Properly fitting dentures will support the lips and facial contours in a manner similar to natural teeth. Dentures can often be contoured to provide additional facial support. However, excessive lip and facial support from dentures may result in a "swollen" appearance and irreversible tissue damage. *

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Speech: Removable dentures cover areas of the jaws and palate that are not normally covered. The presence of acrylic resin, metal or porcelain in these areas requires adaptation of the tongue and lips for proper speech, which may require a period of time.

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Denture "Click": Denture click occurs when the upper and lower denture teeth inadvertently contact during speech or mastication. To minimize this problem, denture teeth have to be repositioned to create more space between the upper and lower teeth. However, this repositioning will decrease the amount of lip and facial tissue support afforded by the dentures. Sometimes a compromise is necessary between full facial support and denture click. *

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Taste: Taste buds are located on the tongue, which is not covered by removable dentures. Contrary to popular belief, there are no taste buds on the palate. However, the acrylic resin and metal of removable dentures may affect the taste of food, especially if the dentures are not properly cleaned. *

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Stain And Cleaning: The amount of stain on dentures generally depends on oral hygiene as well as the consumption of such items as tobacco, coffee and tea. Bleach should not be used to clean removable dentures, as bleach can corrode the metal portions of the dentures and severely fade the pink acrylic resin. *

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Denture Odour: The pink acrylic portion of the denture/implant bridges is a plastic material with a microscopic amount of porosity which may collect debris and odour. Also, a dental plaque with its associated odour may accumulate on dentures in the same manner as it accumulates on natural teeth. It is therefore imperative to thoroughly clean your dentures for the health of your gum tissue as well as the elimination of denture odour.

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Chipping And Wear: Porcelain denture teeth have the slowest rate of wear and the highest stain resistance, but they have a tendency to chip. Slight chips can be polished, but larger chips usually require the replacement of the porcelain tooth on the denture. Acrylic resin denture teeth have more resistance to chipping, but they have a tendency to wear down faster than porcelain. If wear adversely affects the appearance or occlusion, the acrylic resin teeth can be replaced. Chips and cracks of the pink acrylic resin portion can usually be repaired without remaking the denture.

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Relines: The shape and size of the gum tissue as well as the bone underneath it changes with time. A reline procedure readapts the pink acrylic resin portion of the denture to the new shape and size of the gum tissue. Typically, a reline is necessary every three to five years. However, this will vary depending on many individual factors.

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Numb Lip (Paraesthesia): *

The nerve to the lower lip traverses throughout the lower jaw bone. If the bone covering the nerve is lost, the nerve will lie directly under the gum tissue. Pressure from a removable denture on this area may cause a numb lip in a manner similar to pressure on your elbow causing numb fingers. This problem requires selective adjustment of the denture base. In very rare and extreme situations, the nerve would have to be surgically repositioned.

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Food Impaction: Removable dentures always have some space between the pink acrylic resin portion and the gum tissue. In addition, there is always some movement of the removable denture during mastication. These factors create a situation where food may accumulate between the denture and the gum tissue. Therefore, it is essential to remove the denture for cleaning on a periodic, daily basis. Removable partial dentures with metallic clasps may have additional food retention problems.

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Dry Mouth: The quantity of saliva may be adversely affected by some systemic problems, medication and/or radiation therapy around the head and neck. Lack of saliva may increase the irritation of a removable denture against the gum tissue, and lack of saliva can severely increase the incidence of tooth decay. *

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Informed consent: I have been given the opportunity to ask any questions regarding the nature and purpose of crown and/or bridge treatment and have received answers to my satisfaction. I voluntarily assume any and all possibly risks including those as listed above and including risk of substantial harm, if any, which may be associated with any phase of this treatment in hopes of obtaining the desired results, which may or may not be achieved. No guarantees or promises have been made to me concerning the results. The fee(s) for service have been explained to me and are satisfactory. By signing this document, I am freely giving my consent to allow and authorize my Doctor to render any treatment necessary and/or advisable to my dental conditions including the prescribing and administering of any medications and/or anaesthetics deemed necessary to my treatment. *

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