Dentures not only improve the appearance of a smile that has multiple missing teeth, but they also keep the structure of the mouth sound by supporting the structures around the cheeks and lips. Dentures also make it possible to eat foods that require chewing, making it possible to keep your diet the same and ensure that you are properly nourished. Lastly, dentures are a viable solution to replace teeth that are causing serious pain and oral health issues, such as those with rotted roots or severe damage. Having dentures fitted means that troublesome teeth are eliminated and replaced with a strong and beautiful alternative.
At first, wearing dentures may require some getting used to in terms of talking and eating, as the dentures become “balanced” in the space formerly occupied by the teeth. But over time, the muscles, nerves and ligaments of the mouth learn to work in new ways, which allows these functions to occur normally. Dentures also help support the facial skeleton and the soft tissues of the lips and cheeks, which can help create a more youthful appearance.
Processing a denture is usually performed using a lost-wax technique whereby the form of the final denture, including the acrylic denture teeth, is invested in stone. This investment is then heated, and when it melts the wax is removed through a spruing channel. The remaining cavity is then either filled by forced injection or pouring in the uncured denture acrylic, which is either a heat cured or cold-cured type. During the processing period, heat cured acrylics—also called permanent denture acrylics—go through a process called polymerization, causing the acrylic materials to bond very tightly and taking several hours to complete. After a curing period, the stone investment is removed, the acrylic is polished, and the denture is complete. The end result is a denture that looks much more natural, is much stronger and more durable than a cold cured temporary denture, resists stains and odors, and will last for many years.
Dentures are generally worn during the day and taken out at night to give the oral tissues time to relax. During the first few days after receiving the denture, however, it needs to remain in the mouth even when sleeping to best identify areas that need to be adjusted. This is especially important after receiving an immediate denture, for the gum tissues will swell after the teeth are extracted or lost and then may not permit the denture to be reinserted if taken out.
However, like anything, there is a downside. Implant dentures tend to be fairly expensive. A cost of $15,000 to $30,000 for complete upper and lower implant dentures is not uncommon. Most dental insurance plans do not cover the total cost of implant dentures. Possible rejection of the implanted abutment can happen. If there is not enough bone, bone grafting may be required. Minimally invasive surgery may also be required. Treatment time can vary from three to six months.
No consensus has been reached regarding the best occlusal scheme for making complete dentures. Thus, the purpose of this systematic review was to compare bilateral balanced occlusion (BBO) with other occlusal schemes (canine guidance, lingualised occlusion and zero degree) in complete dentures. The schemes were compared in terms of quality of life/satisfaction and masticatory performance. Two independent reviewers performed a comprehensive search of studies published in or before October 2017 using the PubMed/MEDLINE, Scopus and Cochrane Library databases. The search was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. The focused question was: "In conventional complete denture, is BBO better than lingualised occlusion, canine guidance and zero degree in terms of quality of life, patient satisfaction and masticatory performance/muscle activity?" Seventeen studies were selected for analysis. In total, there were 492 patients with a mean age of 64.78 years and a mean follow-up duration of 2.96 months (range: 1-6 months). All studies compared BBO with the other occlusal schemes. Eleven studies evaluated the influence of the occlusal scheme designs on quality of life and satisfaction, and 8 studies evaluated masticatory performance and muscle activity between BBO and the other occlusion schemes. The present systematic review indicated that BBO does not confer better quality of life/satisfaction or masticatory performance and muscle activity. Thus, lingualised occlusion can be considered a predictable occlusal scheme for complete dentures in terms of quality of life/satisfaction and masticatory performance, while canine guidance can be used to reduce muscular activity.
Dentures (also known as false teeth) are prosthetic devices constructed to replace missing teeth; they are supported by the surrounding soft and hard tissues of the oral cavity. Conventional dentures are removable (removable partial denture or complete denture). However, there are many denture designs, some which rely on bonding or clasping onto teeth or dental implants (fixed prosthodontics). There are two main categories of dentures, the distinction being whether they are used to replace missing teeth on the mandibular arch or on the maxillary arch.
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Olalekan Okunuga, DDS, FICOI, FAAIP, is a general dentist and the practice owner of this South Hill location. He earned his Doctor of Dental Surgery degree at University of Pacific in San Francisco and completed his post-graduate residency at Howard University Hospital in Washington, D.C. Based on many years of valuable dental experience, Dr. Okunuga and his staff are proud to offer professional, compassionate care to patients that visit this practice.
See your dentist as soon as possible if your removable partial denture breaks, cracks or chips or if one of the teeth becomes loose. Also, your partial denture may need to be adjusted if you lose one of the supporting natural teeth. Sometimes dentists can make the repairs, often on the same day. Complex repairs can take longer. The sooner you make an appointment, the sooner you have a well-fitting partial denture again.
Occasionally, denture wearers may use adhesives. Adhesives come in many forms: creams, powders, pads/wafers, strips or liquids. If you use one of these products, read the instructions, and use them exactly as directed. Your dentist can recommend appropriate cleansers and adhesives; look for products with the ADA Seal of Acceptance. Products with the ADA Seal have been evaluated for safety and effectiveness.
