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OBJECTIVE: To evaluate clinical parameters that affect the performance of root-supported overdentures (ROD) and to identify the possible factors that may affect it. BACKGROUND: ROD still serve as an alternative and successful treatment plan nowadays for partially edentulous patients. Nonetheless, there is not yet conclusive evidence about their clinical evaluation. MATERIALS AND METHODS: A search strategy was developed following a PIO (Population, Intervention, Outcome) framework including an electronic search in the following databases: PubMed, Cochrane Library and Scopus. The systematic search included only randomised controlled clinical trials (RCTs), published until January 2023 in English language and was performed by two independent reviewers. Quality assessment of the included studies was conducted according to the Cochrane Risk of Bias tool. RESULTS: The final selection of studies included 11 RCTs. Clinically relevant variables derived from this search were: Complications, with caries being the most frequently reported, periodontal aspects and bone changes around abutment teeth. Additionally, methods and clinical suggestions for the maintenance of these restorations and patient-related outcomes were assessed. According to the risk of bias assessment, nine studies were considered of high risk, whereas only 2 of low risk. A meta-analysis was not feasible. CONCLUSION: Within the limitations of this systematic review, ROD remain a viable treatment plan, offering better denture stability and bone preservation around abutment teeth and high patient satisfaction. Thorough oral hygiene and regular follow-ups are of utmost importance. Further well-designed RCTs are necessary for firmer conclusions.

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Background and objectives: To compare the medium- to long-term mechanical behavior of overdentures with two different retention systems: overdentures with Locator® axial retention, and vertical insertion overdentures with bar retention, used to rehabilitate edentulous maxillar. Material and Methods: This prospective study assessed patients presenting complete maxillary edentulism, rehabilitated by means of implant-supported overdentures (n = 20), 10 with Locator® axial retention (ODA group) and 10 with overdentures on bars (ODB group). Patients also completed a questionnaire to determine their satisfaction with treatment. Results: The mean follow-up time in both groups was 11.4 years, with follow-up times in both groups ranging from 5 to 14 years. The ODA group suffered mechanical complications such as retention loss, need for nylon retention insert changes, resin fracture, and need for relining. In the ODB group, prosthetic dental wear, screw loosening, and complete prosthetic failure were more common. A total of 19 implants failed (23.8%); of these, 11 were in the ODA group (failure rate = 27.5%) and eight in the ODB group (failure rate = 20%). The patient satisfaction questionnaire obtained a mean score of 7.9 out of 10 in the ODA group, and 9.75 in the ODB group. Conclusions: in rehabilitations of edentulous maxillar by means of implant-supported overdentures, both the systems assessed were shown to be effective in the medium to long term. Patients expressed a high level of satisfaction with the treatments received.

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BACKGROUND: Clinical success with mandibular implant overdentures is highly dependent on a reliable attachment system connecting prosthesis and implants. PURPOSE: To compare the levels of retention and patient-based outcomes on implant overdentures retained/supported by cylindrical (LA) and ball (RA) attachment systems overtime and investigate their relationship. MATERIALS AND METHODS: Attachment retention (Newtons), and patient satisfaction with the treatment, prosthesis stability, and ability to chew (VAS, 100 mm) were assessed in a crossover trial for both attachment systems at baseline, 1 week, 3, 6, and 12 months and compared to preintervention values. Patients' preference was also recorded. RESULTS: Mean retention of worn attachments and patient satisfaction with denture retention assessed in the preintervention phase were 3.2 N (SD 4.9) and 23.5 mm (IQR 6.5-65.5), respectively. Overall mean retention along the study was higher for RA than LA (difference of 5.0 N, 95%CI: 2.5-7.6; P = 0.0005), declining significantly overtime (P < 0.0001), more steeply for the cylindrical attachment. Differences in VAS ratings between attachments were nonsignificant in the crossover phase (P > 0.05), but general satisfaction, satisfaction with retention, and comfort were significantly higher when compared with preintervention scores (P < 0.05). Ratings of retention decreased significantly overtime for both systems and earlier for LA than RA. Satisfaction was lower when retention was either too low or too high, although there was large variation in this association. At the end of the study, all participants chose to remain with the attachment system that they had received last. CONCLUSIONS: Attachment selection should be based on patients' individual characteristics and expectations as satisfaction with the attachment retention and denture stability vary largely among patients.

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The aim of this longitudinal observational study was to evaluate the oral health-related quality of life (OHRQoL) following patient rehabilitation with implant-retained mandibular overdentures (IMO) and to identify the contribution of the different domains to OHRQoL. The Oral Health Impact Profile (OHIP-EDENT), Dental Impact on Daily Living (DIDL), and Geriatric Oral Health Assessment Index (GOHAI) questionnaires were completed twice by 25 patients: after 3 months of rehabilitation with complete dentures (CD) and after 3 months of IMO loading using stud abutments. The evaluation after IMO rehabilitation showed significant improvement in three DIDL domains: appearance (p = 0.011), eating and chewing (p = 0.003), and general performance (p = 0.003). The GOHAI results showed significant differences in two domains: psychosocial (p = 0.005) and pain and discomfort (p = 0.0004). The OHIP-EDENT outcomes showed significant improvements in five domains: functional limitation (p = 0.0001), physical pain (p = 0.0002), physical disability (p = 0.0010), and psychological disability and handicap (p = 0.032). The largest observed effect sizes were close to one standard deviation and were observed in the eating and chewing domain (0.93) of the DIDL; the pain and discomfort domain (0.83) of the GOHAI, and the functional limitation (0.89), physical pain (1.02), physical disability (0.84) domains of the OHIP-EDENT. The percentage of satisfied patients increased in all domains. Self-reported OHRQoL of CD wearers was significantly improved after 3 months of treatment with IMO, especially concerning the functional and pain-related aspects.

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STATEMENT OF PROBLEM: Whether clinical or demographic variables affect the perception of treatment in terms of quality of life and satisfaction is unknown. PURPOSE: The purpose of this prospective study was to make an evidence-based assessment of the treatment outcomes (patient- and clinically based) of locator-retained mandibular overdentures. MATERIAL AND METHODS: This prospective observational study assessed patients with edentulism who had worn mandibular overdentures supported by 2 implants and retained by the locator system for at least 1 year of functional life (N=80). Medical histories were reviewed, and patients underwent oral examinations. Prosthetic clinical outcomes and patient well-being were registered using the Oral Health Impact Profile 20 (OHIP-20) and Oral Satisfaction Scale (OSS). RESULTS: Patient well-being scored an overall OHIP-20 score of 19.0 ±14.0 of 80 (the higher the score, the greater the impact and the worse the oral health-related quality of life); overall oral satisfaction was 8.3 ±1.7 of 10. Women suffered greater social impact (0.8 ±1.0) and disability (0.4 ±0.8) than men (0.4 ±0.7 versus 0.2 ±0.4, respectively). Impact on well-being was inversely proportional to both patient age and the age of the prosthesis (r=-0.25; P<.01). Implants had been placed on average 73.6 ±39.2 months previously, showing a survival rate of 82.5%. Most of the overdentures had been functioning for over 60 months. Relining (46.3%), readjustments (82.5%), and changes of nylon retention (1.5 ±1.8 per patient over 60 months of use) devices negatively influenced well-being. CONCLUSIONS: Mandibular overdentures produced good results with regard to quality of life and oral satisfaction, but attention should be paid to factors affecting clinical outcomes and patient well-being.

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OBJECTIVE: The purpose of this systematic review was to evaluate the use of mini implants to retain complete overdentures in terms of survival rates of mini implants, marginal bone loss, satisfaction, and quality of life. DATA: This report followed the PRISMA Statement and PICO question. This review has been registered at PROSPERO under the number CRD42016036141. SOURCE: Two independent reviewers performed a comprehensive search of studies published until September 2016 and listed in the PubMed/MEDLINE, Embase, and The Cochrane Library databases. The focused question was: is the use of mini implants feasible for prosthodontic rehabilitation with complete overdentures? RESULTS: The 24 studies selected for review evaluated 1273 patients whose mean age was 65.93 years; these patients had received 2494 mini implants and 386 standard implants for retaining overdenture prosthesis. The mean follow-up time was 2.48 years (range: 1-7 years). There was a higher survival rate of mini implants (92.32%). More frequent failures for maxillary (31.71%) compared with mandibular arches (4.89%). The majority of studies revealed marginal bone loss values similar to those of standard implants (<1.5mm). All studies verified an increase in satisfaction and quality of life after rehabilitation treatment with mini dental implants. CONCLUSION: The present systematic review indicates that the use of mini implants for retaining overdenture prosthesis is considered an alternative treatment when standard treatment is not possible, since it presents high survival rates, acceptable marginal bone loss, and improvements in variables related to satisfaction and quality of life. CLINICAL SIGNIFICANCE: Based on the results of this study, the use of a minimum 4 and 6 mini implants can be considered a satisfactory treatment option for rehabilitation of the mandibular and maxillary arches respectively with a complete overdenture.

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Abstract The aim of this longitudinal observational study was to evaluate the oral health-related quality of life (OHRQoL) following patient rehabilitation with implant-retained mandibular overdentures (IMO) and to identify the contribution of the different domains to OHRQoL. The Oral Health Impact Profile (OHIP-EDENT), Dental Impact on Daily Living (DIDL), and Geriatric Oral Health Assessment Index (GOHAI) questionnaires were completed twice by 25 patients: after 3 months of rehabilitation with complete dentures (CD) and after 3 months of IMO loading using stud abutments. The evaluation after IMO rehabilitation showed significant improvement in three DIDL domains: appearance (p = 0.011), eating and chewing (p = 0.003), and general performance (p = 0.003). The GOHAI results showed significant differences in two domains: psychosocial (p = 0.005) and pain and discomfort (p = 0.0004). The OHIP-EDENT outcomes showed significant improvements in five domains: functional limitation (p = 0.0001), physical pain (p = 0.0002), physical disability (p = 0.0010), and psychological disability and handicap (p = 0.032). The largest observed effect sizes were close to one standard deviation and were observed in the eating and chewing domain (0.93) of the DIDL; the pain and discomfort domain (0.83) of the GOHAI, and the functional limitation (0.89), physical pain (1.02), physical disability (0.84) domains of the OHIP-EDENT. The percentage of satisfied patients increased in all domains. Self-reported OHRQoL of CD wearers was significantly improved after 3 months of treatment with IMO, especially concerning the functional and pain-related aspects.

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PURPOSE: The aim of this study was to evaluate the oral health-related quality of life (OHRQoL) of patients treated with three different types of mandibular implant overdentures (IOD) after at least 3 years in function. MATERIALS AND METHODS: A total of 122 patients treated with mini implant (50), locator (56), or bar (16) mandibular IODs participated. Modified plaque (PI) and gingival (GI) indices were also assessed. RESULTS: Older patients and patients with mini mandibular IODs were the most satisfied with their OHRQoL. The bar overdenture presented the worst PI and GI results. CONCLUSION: The mini mandibular overdenture patients were assessed with a better OHRQoL than those with bar and locator IODs.

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BACKGROUND: The relationship between brain and prosthesis was previously assessed either by improving denture function or in fixed implant retained, wherein brain function was assessed only after crown placement. PURPOSE: To prospectively analyze the changes in brain activity and cognitive function of completely edentulous patients in edentulous state, with dentures and two-implant supported mandibular overdenture before and after loading, along with the effect of mastication in the change - a pilot study. MATERIALS AND METHOD: Ten completely edentulous (CE) non-denture wearers were selected. The mandibular prosthesis was loaded with two 3.3 mm × 13 mm myriad snap fit implants. To assess the brain activity and cognitive function, Electroencephalogram (Neurofax EEG 1000 Ver 05-90, Nihon Kohden corporation, Tokyo, Japan) and Mini-Mental State Examination (MMSE) questionnaire, respectively, were taken during the process of rehabilitation. EEG assessment was analyzed using Matlab 2011A 7.9 signal processing tool box. The results were statistically analyzed with SPSS 17.0 version using Wilcoxon signed rank and Friedman test RESULTS: Amplitude, power of alpha waves and cognitive scores increased gradually with highest mean rank for implant supported overdenture (IOD). The bivariate analysis between two groups showed there was significant difference between all the groups (p < 0.05) except for groups CE-I (completely edentulous - implant placement) and CD- I (complete denture insertion - implant placement) in amplitude of alpha waves while in group CD-I with respect to power of alpha waves. MMSE revealed the mean of cognitive scores in Complete Edentulous was 17.40, Complete Denture was 18.30 and finally with Implant Overdenture was 23.80. CONCLUSION: The present study has enlightened the significance of two implant supported mandibular overdenture in improving the mental state of an individual and that the enhancement was due to functional improvement with prosthesis when loaded with implants and not due to mere existence of implant without any function.

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OBJECTIVES: The aim of this study was to compare satisfaction with function and hygiene maintenance in completely edentulous elderly patients rehabilitated with implant-supported fixed prostheses, overdentures, and conventional prostheses. MATERIALS AND METHODS: A total of 150 geriatric patients were divided into three groups: Group 1 (CD) patients rehabilitated with complete dentures; Group 2 (FP) patients with implant-supported fixed prostheses; Group 3 (OD) patients with overdentures. The patients responded to a questionnaire based on the Oral Health Impact Profile and the Dental Impact Profile to evaluate satisfaction with their prostheses. Data were analyzed using ANOVA F and the Kruskal-Wallis nonparametric test, with significance established as P < 0.05. RESULTS: Significant differences were found between the three groups. For oral hygiene, the group with overdentures showed better results, and the group with fixed prostheses was more satisfied with function. CONCLUSIONS: Satisfaction among these completely edentulous patients varied in relation to prosthetic type. The level of general satisfaction among patients with implant-supported prostheses was greater than the group using conventional dentures. Patients rehabilitated with fixed prostheses enjoyed a higher level of satisfaction than patients with overdentures.

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PURPOSE: To compare the oral health-related quality of life (OHRQoL) in a prospective, randomized crossover trial in patients with mandibular overdentures retained with two or four locators. MATERIALS AND METHODS: In 30 patients with edentulous mandibles, four implants (ICX-plus implants [Medentis Medical]) were placed in the intraforaminal area. Eight weeks after transgingival healing, patients were randomly assigned to have two or four implants incorporated in the prosthesis. After 3 months, the retention concepts were switched. The patients with a two-implant-supported overdenture had four implants incorporated, whereas patients with a four-implant-supported overdenture had two retention locators taken out. After 3 more months, all four implants were retained in the implant-supported overdenture in every patient. To measure OHRQoL of the patients, the Oral Health Impact Profile 14, German version (OHIP-14 G), was used. RESULTS: A considerable increase in OHRQoL could be seen in all patients after the prosthesis was placed on the implants. Also, a statistically significant difference of OHRQoL could be seen in the OHIP-14 G scores between two-implant and four-implant overdentures. Patients had a higher OHRQoL after incorporation of four implants in the overdenture compared with only two implants. CONCLUSION: Patients with implant-retained overdentures had better OHRQoL compared with those with conventional dentures. The number of incorporated implants in the locator-retained overdenture also influenced the increase in OHRQoL, with four implants having a statistically significant advantage over two implants.

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OBJECTIVES: To validate a new questionnaire for evaluating the 'Oral aesthetic-related quality of life (OARQoL)' of prosthetically restored patients. 'OARQoL' assesses the impact of the self-perceived dental aesthetics on patients' well-being. METHODS: The 'Quality of Life associated with Dental Aesthetic Satisfaction (QoLDAS)' index was designed. After a pilot trial, 70 patients were distributed into two groups depending on their type of prosthetic rehabilitation: Group 1 (CD; n=34): muco-supported complete dentures, and Group 2 (IO; n=36): implant-retained overdentures. Patients answered the QoLDAS and the Oral Health Impact Profile (OHIP-20sp) questionnaires, and reported their satisfaction on a visual analogue scale (VAS). Socio-demographic and prosthesis-related factors were registered. Psychometric properties of the QoLDAS were investigated. Correlations between both indices were explored using the Spearman's rank test. Descriptive and non-parametric probes were run to evaluate the effect of the study variables on the OARQoL (α=0.05). RESULTS: The QoLDAS-9 was reliable and valid. The factor analysis confirmed the existence of three dimensions and meaningful inter-correlations among the nine finally included items. Both scales were inversely correlated. The self-reported aesthetic and functional satisfaction and the education level significantly modulated the OARQoL as measured with the QoLDAS-9. CONCLUSIONS: The QoLDAS-9 confirmed its psychometric capacity for assessing the OARQoL of CD and IO wearers. Both groups showed comparably high OARQoL. Superior education degrees lead to lower OARQoL. CLINICAL SIGNIFICANCE: The QoLDAS-9 may be recommended for anticipating the effect of prosthetic restorations on OARQoL. CD and IO are predictable treatment options for improving the aesthetic self-perception of edentulous patients.

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This study evaluates the influence of interimplant distance (ID) on patient satisfaction and quality of life (QOL) of 55 patients who received mandibular overdentures supported by two implants. IDs were measured over the residual ridge crest and linearly on all of the patients' mandibular casts. The crestal detours of all patients were determined by subtracting these two values from each other. Higher IDs were associated with better QOL scores (P < .05), whereas higher crestal detour values were associated with better general comfort, chewing, ease of hygiene maintenance, esthetics, pain, and QOL scores (P < .05).

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BACKGROUND: The purpose of the present study was to assess the value for money achieved by bar-retained implant overdentures based on six implants compared with four implants as treatment alternatives for the edentulous maxilla. METHODS: A Markov decision tree model was constructed and populated with parameter estimates for implant and denture failure as well as patient-centred health outcomes as available from recent literature. The decision scenario was modelled within a ten year time horizon and relied on cost reimbursement regulations of the German health care system. The cost-effectiveness threshold was identified above which the six-implant solution is preferable over the four-implant solution. Uncertainties regarding input parameters were incorporated via one-way and probabilistic sensitivity analysis based on Monte-Carlo simulation. RESULTS: Within a base case scenario of average treatment complexity, the cost-effectiveness threshold was identified to be 17,564 € per year of denture satisfaction gained above of which the alternative with six implants is preferable over treatment including four implants. Sensitivity analysis yielded that, depending on the specification of model input parameters such as patients' denture satisfaction, the respective cost-effectiveness threshold varies substantially. CONCLUSIONS: The results of the present study suggest that bar-retained maxillary overdentures based on six implants provide better patient satisfaction than bar-retained overdentures based on four implants but are considerably more expensive. Final judgements about value for money require more comprehensive clinical evidence including patient-centred health outcomes.

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INTRODUCTION: Locator retained implant overdentures are associated with a high incidence of prosthodontic complications. This study investigated whether general dental practitioners (GDPs) were willing to maintain these prostheses in primary dental care. METHOD: A questionnaire was distributed to all GDPs referring patients for an implant assessment to the Charles Clifford Dental Hospital, Sheffield between 1 January 2012 and 30 June 2012. RESULTS: Ninety-four out of one hundred and forty-six questionnaires were returned (response rate: 64%). Thirteen GDPs (14%) were able to identify the Locator attachment system from clinical photographs. Eighty-two GDPs (87%) would adjust the fit surface of a Locator retained implant overdenture. Twenty-three GDPs (25%) would replace a retentive insert, 18 GDPs (19%) would tighten a loose abutment, 68 GDPs (72%) would debride abutments and 25 GDPs (27%) would remake a Locator-retained implant overdenture. Forty-seven GDPs (50%) felt that the maintenance of these prostheses was not their responsibility. The main barriers identified to maintenance by GDPs were a lack of training, knowledge and equipment. Seventy GDPs (74%) would like further training in this area. CONCLUSIONS: GDPs are not familiar with the Locator attachment system and are reluctant to maintain implant retained overdentures. GDPs would like further training in this area.

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INTRODUCTION: Locator retained implant overdentures are associated with a high incidence of prosthodontic complications. This study investigated whether general dental practitioners (GDPs) were willing to maintain these prostheses in primary dental care. METHOD: A questionnaire was distributed to all GDPs referring patients for an implant assessment to the Charles Clifford Dental Hospital, Sheffield between 1 January 2012 and 30 June 2012. RESULTS: Ninety-four out of one hundred and forty-six questionnaires were returned (response rate: 64%). Thirteen GDPs (14%) were able to identify the Locator attachment system from clinical photographs. Eighty-two GDPs (87%) would adjust the fit surface of a Locator retained implant overdenture. Twenty-three GDPs (25%) would replace a retentive insert, 18 GDPs (19%) would tighten a loose abutment, 68 GDPs (72%) would debride abutments and 25 GDPs (27%) would remake a Locator-retained implant overdenture. Forty-seven GDPs (50%) felt that the maintenance of these prostheses was not their responsibility. The main barriers identified to maintenance by GDPs were a lack of training, knowledge and equipment. Seventy GDPs (74%) would like further training in this area. CONCLUSIONS: GDPs are not familiar with the Locator attachment system and are reluctant to maintain implant retained overdentures. GDPs would like further training in this area.

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PURPOSE: The aim of this study was to compare the satisfaction and quality of life (QoL) in a group of patients using mandibular complete dentures, implant-retained overdentures, removable partial dentures (RPDs), or implant-supported fixed partial dentures (FPDs). MATERIALS AND METHODS: A total of 116 patients (aged 36 to 81, mean age 58 ± 10.03 years) were assigned to four groups (n = 29) and treated with mandibular implant-retained overdentures, implant-supported FPDs (two implants/three unit FPDs), conventional complete dentures, or RPDs. The groups were well matched in terms of gender, age, and the edentulous period. All patients had edentulous maxillary arches and completely or partially edentulous mandibles. All prostheses were mandibular prostheses. The OHIP-14, OHQoL-UK, and SF-36 surveys were used to determine QoL before implant surgery and 1 year after prosthetic treatment. RESULTS: The baseline and 1-year data from 116 patients were analyzed. A significant improvement was found among the QoL scales for all groups (p < 0.05). The most significant improvement was found in the implant-retained overdenture group (15.67 ± 2.47), while the least improvement was found among the implant-supported FPD group (5.14 ± 2.08). The SF-36 test revealed no differences between the before and after treatment scores for general health, pain, vitality, social function, and physical function difficulties (p > 0.05). The only significant difference was found for mental health (p = 0.011). CONCLUSION: A positive influence on oral health-related QoL was observed in all groups. The QoL values were the most improved in the implant-retained overdenture group.

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AIM: Oral health in Canada and most developed and developing countries is funded by private payers, whose acceptance of treatment depends on their valuation of it. This study aims to determine how dentate individuals in Quebec, Canada, would value the benefits of mandibular two-implant overdentures based on their willingness to pay (WTP) for the treatment, either directly or with insurance/government coverage. METHODS: A total of 39 individuals (23-54 years) completed a Web-based WTP survey that consisted of three cost scenarios: (a) out-of-pocket payment; (b) private dental insurance coverage; and (c) public funding through additional taxes. Variations in WTP amounts were measured using regression models. RESULTS: Among respondents who were dentate or missing some teeth, average WTP out of pocket for implant overdentures was CAD$5419 for a 90% success rate. They were willing to pay an average CAD$169 as one-time payment for private dental insurance, with a one in five chance of becoming edentate. WTP amounts increased substantially with the probability of success of implant overdenture therapy. The results of regression analyses were consistent with theoretical predictions for education level and income (P < 0.05). CONCLUSIONS: The results of this study, within its limitations, suggest that dentate individuals would be willing to pay a significant amount to receive mandibular two-implant overdentures if and when they become edentate.

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La reposición de los dientes no solamente influye en la adecuada alimentación y fonética, sino que también mejora la sonrisa y la apariencia personal, además del aspecto positivo que produce en el estado de salud psicológico y emocional de los niños afectados. Se presentan tres casos clínicos de niños con oligodoncias asociadas a displasia ectodérmica hidrótica, atendidos en la consulta de prótesis de la Clínica Estomatológica de Especialidades de Cienfuegos. Fueron rehabilitados con prótesis parcial removible acrílica, sobredentadura y prótesis parcial fija, respectivamente. Estas constituyen opciones de tratamiento efectivas, que solucionan el problema estético y funcional de los pacientes, y por tanto, mejoran su calidad de vida(AU)

Replacement of teeth not only contributes to adequate nutrition and phonetics, but also improves the smile and appearance, in addition to its positive impact on the psychological and emotional health of the affected children. Three cases of children with oligodontias associated with hidrotic ectodermal dysplasia who were treated at the prosthetics consultation of the Specialized Dental Clinic in Cienfuegos are presented. They were rehabilitated through acrylic removable partial dentures, overdenture and fixed partial denture, respectively. These are effective treatment options that solve the aesthetic and functional problems of the patients, and therefore improve their quality of life(AU)

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PURPOSE: This retrospective study assessed treatment outcomes and patient satisfaction of irradiated head and neck cancer patients treated with mandibular implant overdentures (IODs) or conventional dentures (CDs). MATERIALS AND METHODS: Fifty-one irradiated head and neck cancer patients, out of a total of 158 patients included, completed the standardized questionnaire and underwent a clinical assessment. Nineteen patients were treated with removable CDs and 32 patients received IODs between January 2006 and January 2011. The mean follow-up of patients was 5.75 years (range: 1 to 23 years). RESULTS: A total of 45 (88.3%) mandibular dentures were in function at the time of assessment. The overall denture satisfaction was 7.3 (range: 1 to 10, SD: 2.14). Patients being treated with adjuvant concepts, including surgical tumor ablation, scored worse than patients after radiation therapy alone. Edentulous patients seem to benefit from implants, especially with respect to prosthesis retention. Men take more benefit from IODs compared with women. CONCLUSIONS: The results are comparable to other studies of head and neck cancer patients and also of healthy individuals. Surgical interventions in adjuvant therapy concepts lead to reduced denture satisfaction. The concept of prosthetic rehabilitation as part of oncologic treatment can be judged as successful.

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