Retention is the principle that describes how well the denture is prevented from moving vertically in the opposite direction of insertion. The better the topographical mimicry of the intaglio (interior) surface of the denture base to the surface of the underlying mucosa, the better the retention will be (in removable partial dentures, the clasps are a major provider of retention), as surface tension, suction and friction will aid in keeping the denture base from breaking intimate contact with the mucosal surface. It is important to note that the most critical element in the retentive design of a maxillary complete denture is a complete and total border seal (complete peripheral seal) in order to achieve 'suction'. The border seal is composed of the edges of the anterior and lateral aspects and the posterior palatal seal. The posterior palatal seal design is accomplished by covering the entire hard palate and extending not beyond the soft palate and ending 1–2 mm from the vibrating line.
Once the actual extractions were over they stitched my mouth up and inserted my temporary denture. Now I consider myself a very tolerant person. I was willing to look past the sales pitches, the potentially broken jaw, and the incompetent receptionists. What really set me off is when the denture itself was so poorly made that it would not even stay in my mouth. I knew something was up when the lady who inserted the denture told me that I would need to wear "a lot" of adhesive to get the denture to stay in. Despite the fact that my mouth was swollen and that my gums had not yet receded at all.
Should I Get Dental Implants?According to the American Association of Oral and Maxillofacial Surgeons, statistics show that nearly 70% of adults aged 35 to 44 years in the United States have at least one missing tooth due to an accident, tooth decay, gum disease, or dental fractures.Dental Implants or Dentures?But there’s no need to go through life with missing teeth. These days, many good alternatives are available. Dental implants and dentures are the most common options. Dentures are false teeth, and although their quality has improved, they’re not ideal for everyone. If not secured with denture adhesive, dentures might slip out of place while eating or speaking, which could be embarrassing, and partial dentures might promote infection and decay in other teeth if they aren’t fitted properly, which may increase the risk that you would need a tooth filling on the abutment (adjoining) tooth. That said, dentures may be the best choice for people whose gums and jaw are weak or unhealthy.Should I Get Dental Implants?If you are missing teeth and your gums and jaw are healthy, you may benefit from dental implants, which are replacement teeth that are implanted surgically into the jawbone. With good oral hygiene, dental implants can last for 20 years or more without the need for replacement. Dental implants are often a popular choice for people who have only one or two teeth missing, but they can be an alternative to dentures if you have several missing teeth. As long as your gums and jaw are healthy, two or more implants can serve as a base of support for several replacement teeth.
