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PubMed1976

Complete dentures and the associated soft tissues.

Some of the conditions of the soft tissues related to complete dentures encountered during a period of 25 years at a university clinic were presented and discussed from the standpoint of the clinical prosthodontist. During this time, over 1,000 denture patients were treated each year. For some conditions, a method of management was offered with treatment by sound prosthodontic principles rather than unneccessary medication. That denture fabrication involves much more than mere mechanical procedures is an understatement. Complete dentures are foreign objects in the oral cavity that are accepted and tolerated by the tissue to a degree that is surprising. As prosthodontists, we can gain satisfaction from the realization that the incidence of oral cancer due to dentures is less than extremely low. At the same time, we must be ever mindful of the statement by Sheppard and associates. "Complete dentures are not the innocuous devices we often think they are." Every dentist must remember that one of his greatest missions is to serve as a detection agency for cancer. The information discussed indicates (1) the need for careful examination of the mouth, (2) the value of a rest period of 8 hours every day for the supporting tissues, and (3) the importance of regular recall visits for denture patients. Robinson stated that while the dental laboratory technician can be trained to aid the dentist in the fabrication of prosthetic devices, his lack of knowledge of reactions and diseases of the oral tissues limits him to an auxiliary role. Complete prosthodontics is a highly specialized health service that greatly affects the health, welfare, and well-being of the patient. It can be rendered only by the true professional who is educated in the biomedical sciences.

Adult↗
PubMed1999

A pilot study to evaluate different palate materials for maxillary complete dentures with xerostomic patients.

PURPOSE: The hypothesis tested in this pilot study was that materials used for the palatal region of a maxillary denture affect the comfort of the maxillary denture in xerostomic patients. MATERIALS AND METHODS: Xerostomic complete denture wearers were selected to test three different maxillary dentures that were made with different palatal materials. Each denture was worn for a period of 2 weeks. The Kapur Index was used to measure retention. The Oral Health Index Profile (OHIP) was used to determine the patient's perception of each denture after the 2-week period. At the end of the study, the patients were asked to select which of the three dentures they would like as their primary denture. RESULTS: All participants chose the metal-palate dentures, and 4 of 5 selected the titanium-palate denture as their primary denture. Statistical analysis of the OHIP demonstrated that the metal-palate dentures were perceived as being more comfortable than the acrylic-resin dentures. CONCLUSION: This pilot study suggests that for xerostomic patients who have worn complete dentures, their selection of a metal-palate denture as their primary prosthesis strongly suggests that these dentures have properties that make them more comfortable to the patient than acrylic dentures. Subjective patient measurements supported this conclusion that the metal-palate dentures were preferable, while the evaluation method available to the clinician failed to discriminate among the prostheses.

Acrylic Resins↗
PubMed1982

Functional contouring of the palatal vault for improving speech with complete dentures.

A method for functionally modifying the contour of the palatal vault of maxillary complete dentures was described. This can be achieved at the trial stage of the denture construction and incorporated in the finished denture. Alternatively, the procedure can be accomplished at the time of insertion and the palatal vault modified with self-polymerizing acrylic resin. The immediate speech achieved by the modification is much more normal and eliminates the waiting and training period after denture insertion. Because the modification of the palatal vault is achieved by the functional contact of the tongue during articulation, the tongue does not have to adapt to the presence of the denture in order to achieve "normal speech." One of the advantages of the method is the ease with which it can be performed in a clinical setting and the minimal requirement of any extra material or equipment. Moreover, no special skills are needed to achieve successful results, which can be exceptionally gratifying.

Aged↗
PubMed2002

Application of cast magnetic attachments to sectional complete dentures for a patient with microstomia: a clinical report.

Patients with microstomia who must wear removable dental prostheses often state that they are unable to insert or remove the prosthesis because of the constricted opening of the oral cavity. This article presents a cast iron-platinum magnetic attachment system applied to sectional collapsed complete dentures for an edentulous patient with microstomia. With the use of lingual and palatal midline hinges and a cast iron-platinum magnetic attachment, the sectional prosthesis was successfully and easily inserted and provided adequate function in the patient's mouth.

Aged↗
PubMed1985

The effect of new complete dentures on mastication and dietary intake.

Masticatory efficiency, the subjective experience of masticatory performance, and dietary intake were measured for 43 subjects who were provided with new complete dentures. The subjects were tested on three occasions: with the old complete dentures, with the new complete dentures when free from symptoms, and with the new dentures about 4 months after insertion. Masticatory efficiency and the subjective experience of masticatory performance increased significantly when the subjects were provided with new dentures, but no changes were found in the dietary intake. With the new dentures the masticatory efficiency and the subjective experience of masticatory performance were correlated to each other.

Aged↗
PubMed1999

[The study on the personality factors in patients' satisfaction with their complete dentures].

OBJECTIVE: To find out the relation between personality factors of edentulous patients and the degree of their satisfaction to the complete dentures. METHODS: Under the condition of controlling quality of complete dentures, 165 subjects were investigated by using the patient denture satisfaction questionnaire and the revised Cattell's 16 personality factors questionnaire after wearing the complete dentures for one and three months. RESULTS: The personality factors of edentulous patients such as conscientiousness (G factor), shrewdness (N factor) and so on do affect their denture satisfaction in every aspect of the dentures. CONCLUSION: The oral prosthodontists not only need improving technological quality of prostheses but also need paying attention to patients' psychological characteristics.

Adult↗
PubMed2006

Comparison of interocclusal contacts registered intraorally and after a remount procedure in complete denture patients.

Prosthodontists recommend a remount procedure for identification and correction of occlusal errors in complete dentures rather than the more common practice of placing articulating paper intra-orally, followed by 'spot-grinding' at the chair-side. There is no evidence to support this recommendation. The aim of this study was to compare the number and distribution of occlusal markings obtained using a remount procedure with those achieved using articulating paper intra-orally. 147 edentulous subjects with newly constructed complete dentures participated. In all cases the remount method produced a significantly lower number of occlusal contacts compared with articulating paper used intra-orally (p<0.001). The distribution of occlusal markings was also different between the remount and intra-oral methods. These results suggest that, for complete dentures, articulating paper used intra-orally is inaccurate compared with a remount procedure.

Adult↗
PubMed1976

A histologic comparison of palatal mucosa before and after wearing complete dentures.

A histologic investigation to study the tissue changes occurring under complete dentures was done. Biopsies were obtained from 40 patients from the area of left side of the hard palate at the first molar region, midway between the median raphe and the residual ridge. The same patients were examined 3 months after placement of well-fitted dentures. Thirty of the 40 patients responded. A second biopsy was taken from the same area on the right side of these patients. On the basis of the microscopic examination, the following conclusions were drawn. 1. The average thickness of the palatal epithelium of edentulous non-denture wearers was 0.222 mm. in the rete peg region. 2. There was a general increase in the thickness of the palatal epithelium following 3 months of wearing complete dentures. 3. The increase in the palatal epithelium was more marked in the rete peg region than in the inter-rete peg region. 4. There was an increase in the thickness of the keratin layer in most patients. 5. No significant changes were found in the granular-cell layer or the prickle-cell layer. 6. The oral mucous membrane responded favorably to well-fitted dentures.

Adult↗
PubMed1982

Masticatory efficiency of complete denture patients. A clinical examination of potential changes at the transition from old to new denture.

The masticatory efficiency was studied among 19 complete denture wearers with their old and new dentures. The test chewing material was gelatin hardened by formalin. A standardized preparation of the test chewing material and the sieve-system is described. The patients were tested on seven different occasions from the period with the old dentures until about 1.5 years after the insertion of the new dentures. The test pieces were chewed for ten seconds--a practice test--20 seconds and until ready to be swallowed. The chewed material was strained in a sieve-system and masticatory efficiency indices were calculated. The results revealed no statistical significant differences in masticatory efficiency between any of the seven testing occasions with the method used. Thus no significant difference was noticed when patients changed from old to new dentures or during the first 18 months after insertion of new dentures.

Adaptation, Physiological↗