The oral health-related quality of life in edentulous patients treated with Conventional complete dentures

Influence of new complete dentures on the touch perception threshold and quality of life of edentulous patients

OBJECTIVE

To evaluate the touch perception threshold of the alveolar mucosa and quality of life of edentulous patients before (T0) and 30 days after (T1) the insertion of new complete dentures.

BACKGROUND

Touch perception is important so that edentulous patients can detect the position of complete dentures in their mouth.

MATERIALS AND METHODS

This study included 32 complete denture wearers with good oral and systemic health and no temporomandibular disorders for at least 5 years. At each time point (T0 and T1), two tests were performed (touch perception threshold and quality-of-life scale). The touch perception threshold (Von Frey or Semmes-Weinstein test) was assessed using nylon monofilaments on the regions of the alveolar mucosa of the maxilla and mandible. The Oral Health Impact Profile for edentulous individuals (OHIP-EDENT) was administered to evaluate oral health-related quality of life.

RESULTS

In the maxilla and mandible, the touch perception thresholds for all regions of the alveolar mucosa were significantly lower at T1 than at T0. The OHIP-EDENT mean scores showed that the overall quality of life was significantly better at T1 (3.6) than at T0 (4.7), and a significant improvement in quality of life was observed in all domains of the OHIP-EDENT at T1. For touch perception threshold, effect sizes ranged from 0.4 to 0.8; and for quality of life, effect sizes ranged from 0.4 to 1.0.

CONCLUSIONS

New complete dentures reduced the touch perception threshold of the alveolar mucosa of both edentulous arches and improved individuals' quality of life.

Evaluation and comparison of patient satisfaction with VertexThermosens and conventional acrylic complete dentures

OBJECTIVES

Patient perception and satisfaction with dentures are important indicators in prosthodontic treatment. This study aimed to compare patients' satisfaction with VertexThermosens dentures versus conventional acrylic dentures during a 12-month study period.

MATERIAL AND METHODS

This randomized study involved 60 participants aged between 45 and 80 with representation of both sexes. The patients were divided into two groups: The first group (experimental group), which had complete dentures from VertexThermosens base material included 30 participants. The second group (control group), which had complete dentures from convectional rigid acrylic base material, included 30 participants. Patient satisfaction with the dentures was assessed in each of the two Vertex/Acrylic groups through a specially created questionnaire of five questions with a five-point Likert scale of possible answers (0 = never; 1 = rarely; 2 = occasionally; 3 = often; and 4 = very often).

RESULTS

After 12 months, intergroup comparison with Mann-Whitney U Test related to Q2 (p = 0.193), Q3 (p = 0.960), Q4 (p = 0.317), Q5 (p = 1.000) patient satisfactions indicated that there was no significant difference between the two groups (Vertex/Acrylic), except  Q1 (p = 0.010) question, Vertex group was more satisfied. The results regarding the patients of both groups (Vertex/Acrylic) showed that after 12 months of wearing the denture, the satisfaction level regarding to all questions increased, except Q5-question for Vertex group, where the difference was not significant due to the already achieved maximum satisfaction at zero time.

CONCLUSION

Based on the findings of this clinical study, it can be concluded that higher satisfaction is seen in patients rehabilitated with VertexThermosens dentures than with conventional rigid acrylic dentures.

Effect of Different Occlusal Tooth Forms of Mandibular Overdenture Retained by an Immediate Loaded Single Implant on the Masticatory Efficiency and Oral Health-Related Quality of Life

Aim

To study the masticatory efficacy and oral health-related quality of life (OHRQoL) of participants wearing a mandibular overdenture retained by an immediate loading single implant with different occlusal tooth forms.

Materials and Methods

For this nonrandomized controlled trial study, 27 edentulous participants were selected and randomly divided into three groups (n = 9) based on occlusal tooth forms of the mandibular implant overdenture (MIOD). Group I: participants received an MIOD with an anatomical tooth form; Group II: participants received an MIOD with a semianatomical tooth form; and Group III: participants received an MIOD with a nonanatomical tooth form. For each participant, a single implant (screw root form) was inserted into the midline of the mandibular ridge to support the MIOD. For each group, the masticatory efficiency was evaluated after 3 months, and the OHRQoL of the participants was evaluated after 3 and 6 months. One-way ANOVA and post hoc Tukey's test were used for data analysis (P < 0.05).

Results

The masticatory efficiency of the anatomic and semianatomic tooth forms was higher than that of the nonanatomic (P < 0.05). Moreover, the improvement in the participants' OHRQoL in the anatomic group was more significant than that of other groups (P < 0.05).

Conclusion

There was a greater improvement in masticatory efficiency and participants' OHRQoL when fitted with an anatomic tooth form mandibular overdenture retained by an immediate loading single implant than with a semianatomic or nonanatomic tooth form.

Exploring the Quality of Life for Saudi Patients Utilizing Dental Healthcare Services: A Systematic Review

Over three billion people globally are affected by oral diseases. The Kingdom of Saudi Arabia (KSA) has declared a new vision for 2030, which includes an aim to improve the quality of healthcare in the Kingdom while maintaining the efficacy of spending. The Oral Health Impact Profile (OHIP) is a quality of life instrument that helps evaluate health status. This study aims to evaluate equity in accessing dental services and the integration of different types of dental services in the Kingdom of Saudi Arabia. A systematic review of the MEDLINE, ClinicalTrials.gov, and EBSCOhost Research Databases was conducted on August 1, 2021. To answer the research question, the SPIDER search tool that identified the sample, the phenomenon of interest, design, evaluation, and research type prior to conducting the review was adapted. Multiple steps were followed to identify the results. The first step was scanning and selecting the related titles. The second step involved reviewing the abstracts, and the third step involved scanning the full manuscript for all criteria to determine and validate the eligibility of the articles. Twenty-two articles remained in the final stage of the study. The first study applying the OHIP instrument in the KSA was in 2010, and the latest was in 2021. In terms of cities, nine cities accounted for research within eight administrative regions. Of the 4794 patients recruited within these reviewed articles, the highest number of patients reported was 1141 for fashion braces, while the minimum number of patients was 32 for conventional complete dentures. This study shows that the Arabic OHIP tool was successfully adapted by multiple dental studies in the KSA with various dental services and results were reported. The reviewed studies suggest that equity and integration of dental health services are well established in Saudi Arabia. Moreover, the major role of dental academic researchers has been identified.

Impact of Oral Diseases and Conditions on Oral Health-Related Quality of Life: A Narrative Review of Studies Conducted in the Kingdom of Saudi Arabia

Oral health-related quality of life (OHRQoL) is a novel concept that has evolved over the past two decades. The World Health Organization (WHO) has also recognized it as a significant part of the Global Oral Health Program (2003). Information on OHRQoL gives better understanding about feelings and perceptions on an individual level. It also helps us to understand the impact of oral health on the lives on the patients and their family. It is now well documented that oral diseases and conditions impact people’s life. Some of the oral diseases/conditions like caries, dental fluorosis, tooth loss, periodontal disease, dental injuries, oral cancer, dental anomalies, craniofacial disorders, and many more have got negative impact on QoL. This paper identifies the various literatures published on the impact of oral diseases and conditions on OHRQoL in the population of Saudi Arabia. Although numerous researches can be found in other countries, the data on Saudi Arabian population are limited, leading to the need for carrying out more research in this area.

Management of Shrunken Cheeks by Hollow Buccal Cheek Plumper Prosthesis

Aging and a long period of edentulousness causes resorption of the maxillary residual ridge, resulting in narrowing of the arch and loss of facial muscle support that leads to the sunken appearance of cheeks. In completely edentulous patients, though the conventional complete denture does offer provision to the muscles encircling the mouth, yet the cheek plumber prosthesis is required to improve the muscle tone. This case report highlights the advantages and the sequential steps required in the indigenous method of fabricating a hollow cheek plumper appliance for a completely edentulous patient with a sunken appearance.

Comparison of psychometric properties of GOHAI, OHIP-14, and OHIP-EDENT as measures of oral health in complete edentulous patients aged 60 years and more

OBJECTIVES

To compare the psychometric properties of three OHRQoL indicators (GOHAI, OHIP-14, and OHIP-EDENT) in a group of complete edentulous subjects and to explore the ability of these instruments to distinguish between individuals with different prosthetic and oral health status.

METHODS

This was a cross-sectional study. Edentulous individuals aged 60 years and more were recruited between January 2019 and February 2020 in a medical and dental care centers. The Lebanese versions of GOHAI, OHIP-14, and OHIP-EDENT were used. External and internal consistencies were assessed using intraclass correlation coefficient (ICC) and Cronbach alpha, respectively. The concurrent validity was evaluated by testing the indicators against a proxy measure of a similar concept. To test their discriminative abilities, the ADD (GOHAI and OHIP) and SC (GOHAI and OHIP) scores were dichotomized according to the 25th and 75th percentile, respectively, and multivariate analyses were performed using sociodemographic, clinical, and subjective health parameters as explanatory variables.

RESULTS

Two hundred and two edentulous subjects (age: 72.94 ± 7.378 years) were included. The proportion of subjects with no impact was lower for OHIP-EDENT (7.9%) compared to GOHAI (28.2%) and OHIP-14 (38.6%). Reproducibility was satisfactory for all OHRQoL tools since they were able to reproduce the results consistently in time (ICC > 0.80). The Cronbach alpha values were greater than 0.8 indicating acceptable internal consistency. The concurrent validity of the three tools was acceptable since subjects with lower OHRQoL score were less satisfied with their dentures and reported a higher need for self-rated therapy. Concerning the discriminant validity, OHIP-EDENT was more discriminant than OHIP-14 and GOHAI, since it was more able to identify patients with poor prosthetic issues or using instable denture.

CONCLUSION

The OHIP-EDENT was more effective in identifying edentulous individuals with oral and prosthetic problems. Our results can help decide which dental instrument to use to assess the perception of oral health in edentulous individuals. More prospective studies are required to compare their evaluative properties.

Epidemiological trends, predictive factors, and projection of tooth loss in Germany 1997-2030: part II. Edentulism in seniors

OBJECTIVE

This is the second part of a report on tooth loss in Germany 1997-2030. Here, we describe trends in the prevalence of edentulism in seniors 1997-2014, assess predictive factors for edentulism, and projected it into 2030.

MATERIAL AND METHODS

We used data from three waves of the cross-sectional, multi-center, nationwide representative German Oral Health Studies. Overall, 3449 seniors (65-74 years) were included (1997: 1367; 2005: 1040; 2016: 1042). Age, sex, educational level, smoking status, and the cohort were entered into age-cohort binary-logistic regression models to assess the association of predictors with edentulism and to project edentulism in 2030 via Monte Carlo simulations.

RESULTS

Between 1997 and 2014, the prevalence of edentulism decreased from 24.8 to 12.4%. With each year of age, the risk of being edentate increased (by 11%, p < 0.001); it was also significantly increased in female versus male (by 40%, p = 0.001), low versus medium and high educational level (up to 257%, p < 0.001), and in former and current smokers (up to 258%, p < 0.001). We predict the prevalence of edentulism to be reduced to 4.2% in 2030. The reduction will be higher in males, never and former smokers, and those with low socio-educational level. On an absolute level and despite a growing elderly population (aged 60-80 years), the number of edentate individuals will have decreased by 3.6 million in 2030 compared with 1997.

CONCLUSIONS

Edentulism in seniors has declined equitably in Germany. The decline is expected to continue until 2030. Further efforts are needed to tackle the underlying risk factors.

CLINICAL RELEVANCE

This study presents trends of edentulism in Germany for a period of three decades. It provides clinically relevant data for health care planning by 2030.

Functional oral health-related quality of life impact: A systematic review in populations with tooth loss

Patients perceive the impact of oral disorder in four major areas, the dimensions of oral health-related quality life (OHRQoL) Oral Function, Orofacial Pain, Orofacial Appearance, and Psychosocial Impact. The functional aspect is essential given the need of chewing, biting, speech and swallowing. The objective of this study was to identify OHRQoL information for dental subjects with functional oral health problems. In a systematic review, distinct and clinically relevant groups of dental subject samples, in this study called "population groups," with such functional OHRQoL information based on the Oral Health Impact Profile (OHIP) were identified (PROSPERO registration: CRD42017064033). The search strategy was "Oral Health Impact Profile" or OHIP. Searches were conducted in the PubMed interface of the Medline database, EMBASE, Cochrane, CINAHL and PsyINFO on 8 June 2017 and updated on 14 January 2019. Published OHIP domain data of different versions were recalculated into OHIP-14`s Physical Disability domain score, characterising the subject's Oral Function impact. 3,653 potentially abstracts were screened. We identified 78 publications reporting dimensional information on 154 subject samples with 52 populations. A typical mean functional impact for partially dentate subjects was 1.6 units on a 0 to 8 unit metric, while for edentate subjects, the mean functional impact was 2.6 units. The functional impact score ranged from 0 to 7.9 units with 50% of the patient samples located between 0.8 and 2.6 units. For the first time, we provide normalised and therefore comparable metric information about the functional OHRQoL impact for a substantial number of functional oral conditions.

Evaluation of oral health-related quality of life in patient with removable prosthesis: A cross-sectional study

Aim:

This study aimed to evaluate the relationship between oral health and quality of life in removable prosthesis users.

Materials and Methods:

An investigative cross-sectional study was designed, and 200 participants were considered based on calculations from the studies in the past. The Oral Health Impact Profile (OHIP)-14 survey comprises two parts in the study. Questions related to sociodemographic factors that documented age, gender, and type of removable prosthesis were included in the initial part of survey. Questions related to impact of oral health on quality of life make up the latter part of the survey. The answers ranged from “Definitely no” to “Definitely yes” for every item on a scale having 5 points. The likely range of scores is from 14 to 70. Data were analyzed by using the Statistical Package for the Social Sciences (SPSS) software program, version 20.0 for Windows. A value of P < 0.05 was considered statistically significant.

Results:

A survey evaluating the relationship between oral health and quality of life was adequately completed by 200 participants. Of these, 18 (22%) were women and 154 (78%) were men. The parameters such as gender, age, and the relationship between oral health and quality of life did not show significant difference either within groups or between the groups. The enrolled participants were wearing different dental prostheses such as complete dentures (CDs) in both upper (U) jaw and lower (L) jaw (19%), U jaw (3%), L jaw (4%) and removable prostheses in both jaws (30%), U jaw (24%) and L jaw (20%). No statistically significant differences were seen between them. The scores for oral health-related quality of life (OHRQoL) were associated positively with removable prosthesis score (r = 0.122) and were statistically significant.

Conclusion:

This study concluded that the use of removable prosthesis may positively impact OHRQoL. The period of usage of removable dentures was the highly significant parameter affecting patient gratification, whereas the practice of using removable prostheses was the highly significant parameter affecting the relationship between oral health and quality of life.

Dental Caries Experience and Oral Health Related Quality of Life in Working Adults

Objective

To evaluate effect of dental caries experience and untreated dental decay on Oral Health-Related Quality of Life (OHRQoL) in working adults.

Methods

The clinical records of 160 patients were reviewed. Dental health indicators were derived from individual tooth- and surface-level data allowing for calculating the number of decayed surfaces (D), number of decayed missed filled surfaces (DMFS), and significant caries (SiC) indices. A questionnaire was administered to verify demographic factors and OHRQoL. The questionnaire was administered via face-to-face interview, for patients in the hospital; or via telephone interview, for those who could not complete it during their hospital visit. Models were developed using multivariable linear regression to predict total OHIP-14 scores and examine the simultaneous association of independent and outcome variables. The model was adjusted for age, gender, and nationality..

Results

Physical limitation and psychological discomfort were the most frequent impacted domains, affecting 17.1% and 7.5% of subjects, respectively. Painful aching was the most frequent item to have any impact, affecting 64.4% of the subjects. The results of multivariable analysis indicated that the SiC score could statistically significantly predict the Oral Health Impact Profile (OHIP) score, P=0.0003. In the linear regression model, for participants with DMFS equal to or higher than the SiC, on average, OHIP scores were almost 10 points higher than for participants with DMFS below the SiC.

Conclusion

The more the dental decay the higher the impact on OHRQoL. From a dental public health perspective, using OHRQoL as a need assessment tool, along with dental clinical indicator, can be helpful in planning and targeting public health programs for the most in-need adult populations.

Clinical Significance

This study identified that patients with severe dental caries report poorer OHRQoL. Clinicians should be aware of impacts that dental decay may have on OHRQoL, including physical, psychological concerns, and pain.

In Vitro Effects of Cyclic Dislodgement on Retentive Properties of Various Titanium-Based Dental Implant Overdentures Attachment System

The purpose of this study was to evaluate the change in the retentive forces of four different titanium-based implant attachment systems during the simulation of insert–removal cycles in an artificial oral environment. Five types of titanium-based dental implant attachment systems (Locator, Kerator, O-ring, EZ-Lock, and Magnetic) were studied (n = 10). The specimens underwent insert–removal cycles in artificial saliva, and the retentive force was measured following 0, 750, 1500, and 2250 cycles. Significant retention loss was observed in all attachment systems, except the magnetic attachments, upon completion of 2250 insertion and removal cycles, compared to the initial retentive force (p < 0.05). A comparison of the initial retentive forces revealed the highest value for Locator, followed by the Kerator, O-ring, EZ-Lock, and Magnetic attachments. Furthermore, Kerator demonstrated the highest retentive loss, followed by Locator, O-ring, EZ-Lock, and Magnetic attachments after 2250 cycles (p < 0.05). In addition, the Locator and Kerator systems revealed significant decrease in retentive forces at all measurement points (p < 0.05). The retention force according to the insert–removal cycles were significantly different according to the types of dental implant attachment systems.

Postoperative discomfort after implant placement according to the All-on-4 concept with or without Zygoma implants: A prospective clinical study

OBJECTIVES

The purpose of the study was to assess patients' postoperative discomfort after implantations according to the All-on-4 concept with and without using Zygoma implants.

MATERIAL AND METHODS

Three treatment groups were formed for this prospective study: All-on-4 rehabilitation in the maxilla (group 1, N = 25), All-on-4 rehabilitation in the maxilla using at least two Zygoma implants (group 2, N = 25), and All-on-4 rehabilitation in the mandible (group 3, N = 20). Principal outcome parameters were postoperative pain (100 mm VAS) and perceived swelling (100 mm VAS). Also, the use of analgesics was documented.

RESULTS

The worst postoperative pain of 21.3 (SD 18.9) VAS was observed in group 2, but there was no statistically significant difference between the groups (mixed ANOVA p = .791). The postoperative total intake of painkillers was significantly higher in group 2 than in the other groups (p < .001). On postoperative day 28, the mean pain scores in all groups declined to values below 5 VAS. Postoperative perceived swelling in group 2 was significantly more severe than it was in group 1 and 3 (p < .001).

CONCLUSIONS

The use of Zygoma implants in All-on-4 surgical interventions had an essential effect on postoperative swelling, but less so on postoperative pain. The slightly increased, but statistically not significantly different postoperative pain in group 2 was compensated by an overall higher postoperative intake of painkillers compared to the other groups.

The Impact of Replacement Conventional Dentures on Eating Experience

Introduction:

Despite much research on the impact of edentulism and prosthetic rehabilitation on food and nutrient intake, there is little information on how replacing complete dentures affects social and emotional issues around eating.

Objectives:

To investigate, in a cohort study, how replacing conventional complete dentures affects eating-related quality of life (ERQoL). A secondary aim was to test the responsiveness of an Emotional and Social Issues Related to Eating (ESIRE) questionnaire to change in ERQoL.

Methods:

Participants, recruited from the Dental Hospital, Newcastle-upon-Tyne, UK, completed the self-administrated ESIRE questionnaire before and after provision of new conventional complete dentures. Paired t test was used to determine any change between pre- and posttreatment ESIRE scores, which can range from 0 (poor) to 100 (excellent). Cohen’s d effect size was used to measure the magnitude of change in ERQoL. Standardized response mean (SRM) was used to measure the responsiveness of the ESIRE questionnaire to changes in ERQoL.

Results:

Fifty-five participants aged 52 to 85 y (mean, 72 y), including 21 males (42%) and 29 females (58%), completed the study. A statistically significant improvement in the total ESIRE scores was found, mean (SE) +20.3 (3.30), P < 0.001. Equally, all domains of the ESIRE questionnaire showed significant improvements: enjoyment of food/eating, +27.3 (3.63), P < 0.001; self-consciousness/embarrassment, +18.1 (3.88), P < 0.001; interruption to meals, +13.3 (5.27), P < 0.05; confidence when eating, +18.7 (4.84), P < 0.001; time for eating/preparation of meals, +18.5 (4.85), P < 0.001); and functional ability to eat, +18.2 (3.67), P < 0.001). Cohen’s d was large (0.95) for the total score and ranged from medium (0.37) to large (1.30) for all domains. Value of SRM was large (0.87) for the total score and ranged from medium (0.36) to large (1.1) for all domains.

Conclusion:

Denture replacement can directly improve ERQoL. The ESIRE questionnaire was responsive to clinically important changes in ERQoL.

Knowledge Transfer Statement:

The results of this study improve the understanding of the impact of denture replacement on eating-related quality of life (ERQoL). Clinicians are encouraged to pay more attention to the impact of wearing conventional complete dentures on social and emotional issues around eating. The findings should motivate clinicians and inspire specialists in prosthodontics and oral rehabilitation to continue providing conventional complete dentures as a suitable treatment option for edentulous patients.

Impaired polymorphonuclear neutrophils in the oral cavity of edentulous individuals

Oral health is characterized by functional oral polymorphonuclear neutrophils (oPMNs). Edentulism might be associated with a loss of oPMNs because these cells enter the oral cavity primarily through the gingival crevices. The main aim of this study was to investigate the numbers of oPMNs in rinse samples obtained from edentulous (n = 21) and dentate (n = 20) subjects. A second study aim was to investigate possible differences between oPMNs and peripheral blood polymorphonuclear neutrophils (cPMNs). Apoptosis/necrosis and cell-activation markers (CD11b, CD63 and CD66b) were analyzed using flow cytometry. Reactive oxygen species (ROS) production was determined either without stimulation (constitutive) or in response to 10 μM phorbol myristate acetate or Fusobacterium nucleatum. The edentulous subjects presented with lower oPMN counts and higher percentages of apoptotic/necrotic oPMNs compared with dentate subjects. Furthermore, oPMNs from edentulous donors expressed low levels of all three activation markers and low constitutive ROS. In contrast, oPMNs from dentate subjects expressed high levels of all three activation markers and a higher level of constitutive ROS than cPMNs. When challenged, oPMNs from edentulous subjects showed no upregulation in ROS production, whereas oPMNs from dentate subjects retained their ability to respond to stimulation. The functional characteristics of cPMNs were comparable between edentulous and dentate subjects. This study demonstrates that despite having functional cPMNs, edentulous subjects have low oPMN numbers that are functionally impaired.

The Impact of Hyposalivation on Quality of Life (QoL) and Oral Health in the Aging Population of Al Madinah Al Munawarrah

Hyposalivation (HS) affects aging individuals by causing pain and discomfort in the oral cavity. The aim here was to determine the impact of hyposalivation and the saliva pH on the quality of life and caries status of geriatrics population. A total of 138 male outpatients attending the Taibah University College of Dentistry (TUCoD) dental clinic were included in the study. The saliva flow, pH, Quality of Life (QoL), and caries status were recorded. The QoL was measured using the Arabic version of the Oral Health Impact Profile-14 (OHIP-14), and the caries status was recorded using the Decayed, Missed, Filled Teeth (DMFT) index. The mean age was 67.5 years and 64% were classified as having hyposalivation. The older respondents tended to have a lower saliva flow and pH compared to their younger counterparts. There was a significant inverse association (p = 0.02) between the caries status and mean saliva flow rate. There was also a significant (p < 0.001) positive correlation between caries and the OHIP-14 scores (Spearman’s ρ = 0.293). The prevalence of hyposalivation was relatively high and there was an inverse relationship between the age, the saliva flow, and pH. Those with more caries reported significantly poor QoL.

Stress Distribution under Commercial Denture Liners- A Finite Element and Clinical Analysis

INTRODUCTION

Previous studies have shown that 20-30% of denture users have been dissatisfied with their dentures.

AIM

To evaluate the stress pattern under elastic and viscoelastic denture liners using 3-Dimensional Finite Element Analysis (FEA) and its clinical correlation using a questionnaire.

MATERIALS AND METHODS

The study had both in-vitro and in-vivo phases. In in-vitro phase fabrication of a virtual parametric model of edentulous maxilla and dentures with overlying mucosa was made. A virtual load of 166N was analyzed at three points (Point A=anterior ridge, Point B=right posterior ridge and Point C=left posterior ridge). For the in-vivo phase, 20 edentulous patients were provided conventional complete dentures (Group-I). The dentures were lined with silicone (elastic) liners (Group-II) and acrylic resins (viscoelastic) liners (Group-III) at regular (2 months) intervals. After each reline, the patients were evaluated using food eating ability and denture assessment questionnaires. The results were statistically analyzed. The statistical analysis was done using SPSS (Statistical Package for Social Sciences) version 15.0 statistical analysis software. Other than standard statistical test Analysis of Variance (ANOVA) and Post-Hoc tests (Tukey-HSD) were used.

RESULTS

At loading, the in-vitro result for Groups-II and III revealed pressures of 0.074231N and 0.0678364N at Point A, 0.098764N and 0.093642N at Point B, and 0.099876N and 0.093746N at Point C respectively. The in-vivo study revealed that the mean quality of life score for different groups ranged from 23.65±4.00 (Group I) to 33.10±6.15 (Group III). The mean quality of life score for Group II was 29.50±5.08.

CONCLUSION

The viscoelastic liner provided the most uniform stress distribution and performed better than an elastic liner with hard, firm and soft foods.

Oral Health Related Quality of Life in a Group of Geriatrics

BACKGROUND

A good quality of life in elderly population is related to different aspects of health including oral health. The aim of this study was to determine oral health-related quality of life (OHR-QoL) in elderly patients referred for dental or oro-maxillo-facial complaints to Mashhad dental school (MDS) and compare them with a group of normal population.

MATERIALS AND METHODS

A total of 99 patients from MDS (as case group) and 114 elderly people as control were enrolled in this cross-sectional study. Control group were chosen among the pilgrims who had come to the holy shrine of Imam Reza (Haram). Persian version of OIDP (Oral Impact of Daily Performance) index was used. Data were entered to SPSS 11.5 and Statistical analysis was performed.

RESULTS

A total of 213 (case =99, control=114) cases were enrolled. Mean Performance score (MPS) was 6.27±10.47 (7.96±11.95 in case group, and 4.80±8.77 in control group) and the difference was significant (p=0.015). Age was conversely correlated with MPS (r=0.0125, p=0.24) although this correlation was not significant. We found, in oro-maxillofacial functions, ill-fit dentures, oral ulcers, pain and tooth mobility were major determinants of OHR-QoL. Number of impaired functions was directly and significantly correlated with MPS (r=0.92, p<0.001).

CONCLUSION

Some daily functions like speaking, emotional status, cleaning teeth, physical activity were impaired in case group. Oral and maxillofacial diseases were more prevalent in case group and can be an important impairing issue in OHR-QoL.

The evaluation of oral health-related factors on the quality of life of the elderly in Babol

Background:

Considering an increase in elderly population in recent years, it has become necessary to pay attention to this group so that they can have a higher quality of life (QoL). Oral health is one of the factors affecting the QoL of the elderly.

Aims:

The purpose of this study is to evaluate the effect of oral health on the QoL of the elderly population in Babol, Iran.

Materials and Methods:

In this study, we used the multi-stage cluster sampling technique to select 300 elderly subjects, over 65 years of age, living in Babol. Oral health-related QoL was evaluated by the Persian version of oral health impact profile (OHIP-14) questionnaire. Data were collected on gender, age, occupation, education, the date of the last dental visit, use of prosthetic appliances, and dental treatment needs, including the periodontal, prosthetic, and surgical needs, by interview and examination.

Statistical Analysis Used:

Data were analyzed with SPSS software program using Mann–Whitney and Kruskal–Wallis tests.

Results:

The mean age of the subjects was 71.4 ± 5.6 years, with 183 males (61%) and 117 females (39%). The mean score of OHIP-14 questionnaire was 22.4 ± 8.2, with a range of 5‒50. The highest score was achieved on the psychological discomfort domain. There was no significant difference in OHIP-14 scores according to gender, with significantly lower scores in subjects with academic education. The subjects wearing prosthetic appliances had lower OHIP-14 scores compared to those who did not wear prosthetic appliances. OHIP-14 scores were lower in the dentate individuals compared to the edentulous individuals. There was no correlation between the age and the OHIP-14 score.

Conclusion:

In general, the results of the present study showed a moderate oral health-related QoL in the elderly living in Babol, who have orodental problems.

Association between dental prosthesis need, nutritional status and quality of life of elderly subjects

PURPOSE

To determine the effect of prosthesis need on nutritional status and oral health-related quality of life (OHrQoL) in elderly and to check the disparity between prosthesis need and prosthesis want in the Indian elderly.

METHODS

A total of 946 geriatric participants reporting to a geriatric medicine clinic were recruited in the study. Mini-nutritional assessment (MNA), geriatric oral health assessment (GOHAI) indices, prosthesis need according to WHO criteria, and prosthesis want was recorded along with age, gender, socioeconomic status and posterior occluding pair.

RESULTS

Significant associations exist between prosthesis need and age (p = 0.005), MNA (p = 0.006) and GOHAI (p = 0.000). Prosthesis demand too was influenced by age (p = 0.004), posterior occluding pairs (p = 0.000), MNA (p = 0.012) and GOHAI (p = 0.000). GOHAI was negatively correlated with upper (r = -0.445) and lower prosthesis need (r = -0.460). Participants with some prosthesis need had significantly lower MNA and GOHAI scores as compared to those with no prosthesis need. Though prosthesis need was high (79.7 %), demand was low (39.3 %).

CONCLUSION

Prosthesis need affects nutritional status and OHrQoL in elderly, and a wide gap exists between need and want of prosthesis.

Relationship between gender, income and education and self-perceived oral health among elderly Mexicans. An exploratory study

The aim of this study was to identify the relationship between sociodemographic factors and self-perceived oral health (SPOH) among the elderly. A cross-sectional, exploratory examination of 150 elderly subjects whose ages ranged from 60-86 was conducted. These subjects used the Geriatric Oral Health Assessment Index (GOHAI) to assess their SPOH. In addition, sociodemographic data were collected from study participants. Data were analyzed using Student's t-test, the examination of odds ratio (OR) of logistic regression analysis, the chi-square test, and analysis of variance (ANOVA). The mean decayed, missing, and filled teeth (DMFT) index for the study participants was 20.1 ± 5.8; 21.3% of subjects were edentulous, and 69.3% of subjects wore removable dentures. 62.7% of study participants had poor SPOH (defined as GOHAI score <44). Poor SPOH was significantly more frequent among males (OR = 2.72, 95% CI: 1.03-7.13, p < 0.05), low-income individuals (OR = 2.7, 95% CI: 1.3 -5.8, p < 0.01), and subjects with less education (OR = 2.26, 95% CI: 1.1-4.6, p < 0.05) than among the overall subject population. The findings suggest that gender (male), low income and low educational levels have a significant influence on the self-perceived oral health status of elderly individuals, irrespective of tooth loss.

A systematic review and meta-analysis of removable and fixed implant-supported prostheses in edentulous jaws: post-loading implant loss

Objectives

The aim of this systematic review was to analyze post‐loading implant loss for implant‐supported prostheses in edentulous jaws, regarding a potential impact of implant location (maxilla vs. mandible), implant number per patient, type of prosthesis (removable vs. fixed), and type of attachment system (screw‐retained, ball vs. bar vs. telescopic crown).

Material and methods

A systematic literature search for randomized‐controlled trials (RCTs) or prospective studies was conducted within PubMed, Cochrane Library, and Embase. Quality assessment of the included studies was carried out, and the review was structured according to PRISMA. Implant loss and corresponding 3‐ and 5‐year survival rates were estimated by means of a Poisson regression model with total exposure time as offset.

Results

After title, abstract, and full‐text screening, 54 studies were included for qualitative analyses. Estimated 5‐year survival rates of implants were 97.9% [95% CI 97.4; 98.4] in the maxilla and 98.9% [95% CI 98.7; 99.1] in the mandible. Corresponding implant loss rates per 100 implant years were significantly higher in the maxilla (0.42 [95% CI 0.33; 0.53] vs. 0.22 [95% CI 0.17; 0.27]; P = 0.0001). Implant loss rates for fixed restorations were significantly lower compared to removable restorations (0.23 [95% CI 0.18; 0.29] vs. 0.35 [95% CI 0.28; 0.44]; P = 0.0148). Four implants and a fixed restoration in the mandible resulted in significantly higher implant loss rates compared to five or more implants with a fixed restoration. The analysis of one implant and a mandibular overdenture also revealed higher implant loss rates than an overdenture on two implants. The same (lower implant number = higher implant loss rate) applied when comparing 2 vs. 4 implants and a mandibular overdenture. Implant loss rates for maxillary overdentures on <4 implants were significantly higher than for four implants (7.22 [95% CI 5.41; 9.64] vs. 2.31 [1.56; 3.42]; P < 0.0001).

Conclusions

Implant location, type of restoration, and implant number do have an influence on the estimated implant loss rate. Consistent reporting of clinical studies is necessary and high‐quality studies are needed to confirm the present results.

Effect of Patient's Personality on Satisfaction with Their Present Complete Denture and after Increasing the Occlusal Vertical Dimension: A Study of Edentulous Egyptian Patients

Complete denture wearers often find it difficult to accept a new denture. Personality traits are among the factors that possibly affect patient satisfaction with a complete denture. Our aim was to investigate the influence of patients' personality on satisfaction with their present denture and after an increase in the occlusal vertical dimension (OVD). Sixty edentulous patients with complete dentures (22 men and 38 women, mean age 66 years, and range 50–75 years) participated in the study. The age of their complete dentures ranged from 5 to 16 years. Patients' personalities were evaluated using the Arabic version of the Eysenck Personality Questionnaire. Their satisfaction with their dentures before and after restoration of the OVD and relining of the mandibular denture was evaluated using two questionnaires (I and II), Patients with a high score of neuroticism were less satisfied with their original dentures and after relining and an increase of OVD compared with patients with an average score in that trait. The personality trait of psychoticism was significant to patients' acceptance of an increase in OVD; that is, patients with a high score were less satisfied with their dentures after increase of OVD than patients with an average score. It is concluded that personality traits affect patients' acceptance of their complete dentures.

Constructs and scaffolds employed to regenerate dental tissue

Dental tissue injury and regeneration affects the daily lives of almost everyone. Tissue engineering is emerging as a promising therapy to regenerate missing teeth and dental tissues. The aim of regenerative dental therapies is to restore patients to full oral health. This means restoring normal function to missing or damaged tissue. Regeneration approaches use a combination of scaffolds, stem cells, growth factors, tissue engineering, organ tissue culture, transplantation, and tissue grafting. There are 8 key elements to create and use tissue constructs for tissue regeneration. These will be described in detail in this article.