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Humans are said to have habitual and non-habitual chewing sides; however, the functional differences between the chewing sides of implant-supported denture wearers have not been sufficiently clarified. This study aimed to clarify the presence or absence of functional differences between the chewing sides in implant-supported denture wearers. Forty-five patients with bilateral posterior implants were included in this study. The participants were asked to chew a gummy jelly on one side, and the masticatory movement was recorded using a Motion Visi-trainer (MVT V1). For 10 cycles from the fifth cycle after the start of mastication, the pattern of the movement path, the opening distance, the masticatory width, and the cycle time were calculated as parameters of masticatory movement. The amount of glucose eluted during the chewing of gummy jelly was measured and used as a parameter of masticatory performance. Each parameter representing masticatory movement and masticatory performance was compared between the right and left chewing sides and between the habitual and non-habitual chewing sides using a chi-squared test or a paired t-test. There was no difference in the frequency of masticatory path patterns between the right and left chewing sides. Most participants had a normal pattern on the habitual chewing side; however, abnormal patterns were also observed on the non-habitual chewing side. When comparing right and left chewing, no significant difference was observed between chewing sides in terms of opening distance, masticatory width, cycle time, or amount of glucose eluted (p > 0.05). When comparing the habitual and non-habitual chewing sides, masticatory movement on the habitual chewing side showed a larger opening distance (p < 0.001) and masticatory width (p = 0.008), shorter cycle time (p = 0.004), and higher masticatory performance (p < 0.001). It was suggested that there is a functional difference between the habitual and non-habitual chewing sides in the masticatory movement and masticatory performance of implant-supported denture wearers.

Most yeasts causing infections in humans are part of commensal microflora and etiological agents of different infections when hosts become susceptible, usually due to becoming immunocompromised. The colonization of potentially pathogenic microbes in the oral cavity is increased by poor oral hygiene. This follow-up survey was conducted approximately two months after providing information on proper oral care at 10 nursing homes in Taiwan. Among the 117 of 165 residents colonized by yeasts, 67 were colonized by more than one yeast species. A total of 231 isolates comprising eight fungal genera and 25 species were identified. Candida albicans (44.6%) was the dominant species, followed by Candida glabrata (17.7%), Candida parapsilosis (8.7%), Candida tropicalis (7.8%), and Candida pararugosa (7.3%). Residents having a yeast colony-forming unit >10 (OR, 8.897; 95% CI 2.972–26.634; p < 0.001) or using a wheelchair (OR, 4.682; 95% CI 1.599–13.705; p = 0.005) were more likely to be colonized by multiple species. By comparing before and after oral-care education, dry mouth (OR, 3.199; 95% CI 1.448–7.068; p = 0.011) and having heart disease (OR, 2.681; 95% CI 1.068–6.732; p = 0.036) emerged as two independent risk factors for increased density of colonizing yeast.

This study investigated denture care attitudes, dental visit habits, oral mucosal lesions, and hygiene levels in 118 complete denture users treated at a university dentistry faculty. Data on demographics, smoking, denture use duration, dentist visits, and hygiene habits were collected via a questionnaire. A specialist examined mucosal lesions and assessed denture hygiene level using the Budtz-Jorgensen and Bertram method. Categorical data were analyzed with Yates’s correction, Pearson’s chi-square, and Fisher–Freeman–Halton tests; multiple comparisons used the Bonferroni Corrected Z Test. Participants’ mean age was 51.61. Most were non-smokers (55.1%), visited dentists only for complaints (44.9%), cleaned dentures daily (70.3%), and removed them at night (56.8%). Good hygiene was observed in 40.68%. Females cleaned dentures more frequently than males, and 96.3% of those with poor hygiene reported bad denture odor. This study revealed significant deficiencies in denture care habits and inadequate hygiene practices of participants in a university dentistry faculty clinic. Most participants visited dentists only for complaints and had bad habits such as sleeping with their dentures at night and using inappropriate denture hygiene habits. Promoting proper denture hygiene habits and emphasizing the importance of regular dental visits can contribute to better oral health.

There is a lack of data regarding the hygiene practices and sources of care among individuals in Yemen who wear removable complete and partial dentures. The purpose of this study was to explore the behaviors, hygiene habits, and sources of care information among patients who utilize complete and partial dentures in Yemen. A descriptive cross-sectional research design was utilized, and a sample of 217 consecutive participants who wore removable complete and/or partial dentures were enlisted. A questionnaire was employed to collect data on demographic information, educational attainment, denture habits, denture cleaning practices, and encountered difficulties. Statistical analysis was conducted using SPSS software, and significance was determined using chi-square tests, with a significance level of .05. The data analysis revealed that a majority of the participants were male (72.4%) and had an average age of 65.14 years. Fifty-three percent of the participants wore partial dentures, while 34.6% wore complete dentures. Only 6.5% of the participants wore both complete and partial dentures, and 6% wore overdentures. The majority of participants (88.47%) had dentures made of acrylic material. Additionally, 43% of participants wore dentures while sleeping, and 61.3% stored their dentures in dry places without a water-filled container when not in use. The most commonly reported cleaning methods were water only (24.4%), followed by water and soap (19.4%). Furthermore, a large portion of the participants (59.4%) received denture care information from dentists. However, the majority (59%) did not visit a dentist for regular denture maintenance or any denture-related issues. The data analysis did not reveal any significant association between age or education level and denture cleaning methods. This cross-sectional survey provides insight into the hygiene knowledge and practices of removable denture wearers in Yemen. The findings underscore the necessity for enhanced oral hygiene education and awareness within this population. The study offers valuable insights for oral health professionals to design targeted interventions and educational initiatives aimed at promoting proper denture care and maintenance. These efforts have the potential to enhance the oral health and overall well-being of removable denture wearers.

Edentulism is a condition associated with age, and the outcome of prosthodontic treatment depends on a number of dental and nondental factors. In complete denture therapy, patient satisfaction is a key objective and various other variables affect this parameter. The ability to foresee its preferences may assist dentists in making informed treatment selections. The study purpose is to assess the expectations of treatment outcomes in complete denture users. For the study, all cases referred for total denture therapy during September 2020 and February 2021 were included. Both new and old denture users completed questionnaires on factors such as retention, mastication, phonetics, esthetics, and comfort. Excel was used to compile the data, which was then imported into SPSS for statistical analysis. The study's statistical significance level was established at P < 0.05. Male patients over the age of 60 years wearing dentures were very common. Denture wearers were highly prevalent in the age group of >60 years among male patients. Retention, esthetics, and phonetics are highly satisfied in existing denture wearers and mastication is highly satisfied in new denture wearers. The comfort factor is commonly satisfied in both the denture wearers. The results were statistically significant with a P = 0.05. Clinician can plan their treatments more effectively if they are aware of the treatment's expectations.

Aim: The aim of the study was to evaluate the anticandidal efficacy of Triphala, aloe vera, Neem, and denture cleanser on heat polymerized acrylic resin. Settings and Designs: In vitro - experimental study. Materials and Methods: In this study, forty denture wearer patients were selected and were divided into four groups consisting of ten patients, namely, Group I, Group II, Group III, and Group IV, in which dentures were cleansed with denture cleanser (tablets), Triphala (churna), aloe vera (leaf), and Neem (tablets), respectively, and stored in copper containers. Swabs were collected from the dentures before and after the use of Denture cleanser, Triphala, aloe vera, and Neem. Thereafter, the swabs were cultured on Sabouraud dextrose agar and the total Candida counts (CFU/4 cm2) were determined. Statistical Analysis Used: One way ANOVA and Tukeys HSD post hoc test were used. Results: The pre- to post-reduction in mean Candida count was found highest in Denture cleanser followed by Neem, Triphala, and aloe vera. Further, both Denture cleaner and Neem showed statistically significant reduction (P < 0.001) in the mean Candida count when compared to Triphala and aloe vera. However, reduction in the mean Candida count of both Denture cleanser and Neem was found statistically similar (P > 0.05). Conclusion: The anticandidal efficacy of denture cleanser was found to be the highest. The cost-effective Neem can be used as anticandidal modality in place of denture cleanser.

The aim of this study was to determine Candida spp. incidence in the oral cavity of denture wearers and characterize predisposing factors in denture-related stomatitis (DRS). Three groups of denture wearers and a control group were evaluated for DRS according to Newton's classification. The amount of yeast in saliva and the presence of yeast on mucosal surfaces were determined by phenotyping methods, and the impact of some risk factors on candidal carriage was evaluated. The development of DRS is most common in complete prosthesis users. When the count of yeast in saliva is ≥400 cfu/ml, the frequency of DRS is increased. In individuals who develop DRS, the most frequently encountered species that was identified as C. albicans. Prosthetic hygiene was related to the intensity of candidal growth and the development of DRS. C. albicans live as saprophyte in the oral cavity. But, it is capable of causing infection if there are predisposing conditions related to the host. Usage of removable prosthesis may cause these microorganisms to gain pathogenicity.

[...]residual ridge height was found to have a relationship with masticatory ability. Good masticatory ability for removable denture wearers is the most important aspect of successful oral rehabilitation. [...]an analysis on the relationship between the subjective and objective assessments of masticatory ability and the factors that can affect masticatory ability, such as residual ridge heights, age, gender, and denture type, was carried out. The correlation among masticatory ability with gender, age, and denture type showed no significant differences, but residual ridge height showed a significant difference (Table 2). [...]there was no statistical significance, tested with Spearman's rank correlation between the results of the objective and subjective assessments of masticatory ability with r=0.264 and pvalue=0.136. Reduced masticatory function is one of the major functional limitations of edentulism. [...]masticatory ability is an important aspect for removable denture wearers.

Oral papillary lesions include a variety of reactive, developmental, and neoplastic conditions. Inflammatory papillary lesions almost involve the hard palate and are usually associated with the use of ill-fitting dentures and poor oral hygiene. Contrarily, perioral involvement of papillomatosis can also be found in neoplastic or syndromic conditions. This case report aimed to present a 44-yearold male patient with rarely encountered multifocal non-human papillomavirus (HPV) inflammatory papillary hyperplasia and evaluate the differential diagnosis that represents similar clinical and histopathological conditions. Multifocal papillary lesions on the lips, tongue, alveolar crest, and oral mucosa were surgically removed via scalpel and laser application. The histopathologic examination confirmed the diagnosis of non-HPV inflammatory papillary hyperplasia. Complete recovery was achieved and the patient was rehabilitated with a new removable prosthesis. Surgical removal of the papillary lesions seems to be a reliable treatment option. In addition to HPV-induced lesions and poor oral hygiene, other etiologic factors should be eliminated with clinicopathologic consultation and genetic investigations.

The determination of the occlusal vertical dimension and proper positioning of the anterior teeth are major factors in making complete dentures which will give optimum service. In this study, efforts were made to evaluate the reliability of measurement of vertical distance between the anterosuperior most point on the lingual frenum and mesioincisal edges of mandibular central incisors in natural dentition among different age groups and in complete denture wearers. Three hundred dentulous subjects belonging to different age groups and hundred edentulous patients wearing complete dentures were selected. The dentulous group was divided into three groups, group I (20–40 years), group II (41–60 years), group III (61 years and above) and the edentulous subjects being group IV ( 40–60 years). Mandibular irreversible hydrocolloid impression (Alginate) was made using modified stock tray. In edentulous subjects impression was made with denture in position. The vertical distance between anterosuperior most point on the lingual frenum and mesioincisal edges of mandibular central incisors was measured on the dentulous casts and casts of complete denture wearer using dental surveyor and the vernier calipers. The values were tabulated and statistically analysed. The mean vertical distance between anterosuperior most point on the lingual frenum and mesioincisal edges of mandibular central incisors among dentulous subjects was 12.3 mm and among complete denture wearers was found to be 13.2 mm. There was no significant variation in the mean vertical distance among dentulous subjects belonging to different age groups. At 5 % significance level, statistically there was a significant difference in the mean vertical distance between group I and group IV; group II and group IV.