Restorative Dentistry
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Item Effect of resilient lining of obturator bulbs on patients with maxillectomies(2016) Ikusika, O.F.; Dosumu, O.O.; Ajayi, D.M.; Ogunrinde, T.J.Statement of problem. Poly(methyl methacrylate) (PMMA) obturator bulbs are hard and nonresilient. The relief for these obturators limits the support available for the bulbs and may limit mastication on the side with the resection. Resilient liners may improve mastication by gaining greater support from closer contact with tissues within the defects. Purpose. The purpose of this crossover clinical trial was to compare masticatory function scores of individuals with maxillectomies rehabilitated by using all-PMMA and PMMA obturator bulbs lined with resilient silicone. Material and Methods. Twelve participants with maxillectomies were provided with 2 definitive obturator dentures after initial rehabilitation. One of the obturator dentures had a hollow obturator bulb in all-PMMA, while the other had a hollow-core PMMA with an outer layer of silicone-resilient liner. Participants wore each obturator for a 2-week period without washout. Masticatory function on the rehabilitated sides was assessed by using an adapted Sato questionnaire. Statistical analysis was performed by using paired t test results of mean masticatory function scores (a=.05). Results. Participants found 98.35% of the foodstuffs easy to masticate on the dentate sides. An average of 60.40% of the participants found the foodstuffs easy to masticate on the rehabilitated sides with the silicone-lined obturators. 18.35% of participants found the foodstuffs easy to masticate with the all-PMMA obturators (P<.05). Conclusions. Resilient lining of PMMA resin obturator bulbs significantly improved masticatory ability in rehabilitated areas of the mouth. (J Prosthet Dent 2016;-:---)Item Impact of tooth loss on the quality of life of patients seen in a Nigerian teaching hospital(2016) Ogunrinde, T.J.; Abiodun-Solanke, I.M.F.; Ajayi, D.M.Introduction. Tooth loss (edentulism) is an irreversible oral condition that has been described as a final marker of disease burden for oral health. It can impact the quality of life of an individual as it may affect speech and ability to chew properly. Aim of the study. To assess the effect of tooth loss on the quality of life of the Nigerian population using the Oral Health Impact (OHIP) questionnaire, and to determine factors that influence the severity of tooth loss impact. Material and method. A cross-sectional study was performed among partially edentulous patients at a Nigerian teaching Hospital. The Oral Health Impact (OHIP) questionnaire was used to obtain information from the participants. Data collected through the questionnaire were analysed using SPSS version 17 software. Chi square test was used to assess the correlation between the quantity and location of tooth loss and impact of tooth loss on the quality of life. The level of significance was set at P≤0.05. Result. One hundred and sixty five partially edentulous patients participated in the study. There were 80 (48.5%) males and 85 (51.5%) females. The highest mean impact score was 2.27 and was recorded for the question “Have you found it uncomfortable to eat any food because of your missing teeth”? Of the seven domains of OHIP, the highest mean score (4.2) was recorded for the physical pain domain. There was a statistically significant relationship between the location of missing teeth and the severity of impact on the quality of life of the participants. Conclusion. Missing anterior teeth had significant impact on the quality of life of the patients