Statistical Methods for Health Care Research

A Qualitative Study

Objective: This report reviews the evidence for adverse effects of diabetes on periodontal health and periodontal disease on glycemic control and complications of diabetes.

Design:  MEDLINE search of the English language literature identified primary research reports published on (a) relationships between diabetes and periodontal diseases since 2000 and (b) effects of periodontal infection on glycemic control and diabetes complications since 1960.

Results:  Observational studies provided consistent evidence of greater prevalence, severity, extent, or progression of at least one manifestation of periodontal disease in 13/17 reports reviewed. Treatment and longitudinal observational studies provided evidence to support periodontal infection having an adverse effect on glycemic control, although not all investigations reported an improvement in glycemic control after periodontal treatment. Additionally, evidence from three observational studies supported periodontal disease increasing the risk for diabetes complications and no published reports refuted the findings.

Conclusion:  The evidence reviewed supports diabetes having an adverse effect on periodontal health and periodontal infection having an adverse effect on glycemic control and incidence of diabetes complications. Further rigorous study is necessary to establish unequivocally that treating periodontal infections can contribute to glycemic control management and to the reduction of the burden of diabetes complications.

/pdf/periodontal-disease-associations-with-diabetes-glycemic-3gyqt2tcje.pdf

Periodontal Disease: Associations With Diabetes, Glycemic Control and Complications

OBJECTIVE: This report reviews the evidence for adverse effects of diabetes on periodontal health and periodontal disease on glycemic control and complications of diabetes. DESIGN: MEDLINE search of the English language literature identified primary research reports published on (a) relationships between diabetes and periodontal diseases since 2000 and (b) effects of periodontal infection on glycemic control and diabetes complications since 1960. RESULTS: Observational studies provided consistent evidence of greater prevalence, severity, extent, or progression of at least one manifestation of periodontal disease in 13/17 reports reviewed. Treatment and longitudinal observational studies provided evidence to support periodontal infection having an adverse effect on glycemic control, although not all investigations reported an improvement in glycemic control after periodontal treatment. Additionally, evidence from three observational studies supported periodontal disease increasing the risk for diabetes complications and no published reports refuted the findings. CONCLUSION: The evidence reviewed supports diabetes having an adverse effect on periodontal health and periodontal infection having an adverse effect on glycemic control and incidence of diabetes complications. Further rigorous study is necessary to establish unequivocally that treating periodontal infections can contribute to glycemic control management and to the reduction of the burden of diabetes complications. Oral Diseases (2008) 14, 191–203

SPECIAL REVIEW IN PERIODONTAL MEDICINE Periodontal disease: associations with diabetes, glycemic control and complications

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Redefining Health Care: Creating Value-Based Competition on Results

Medicinal plants have been used in healthcare since time immemorial. Studies have been carried out globally to verify their efficacy and some of the findings have led to the production of plant-based medicines. The global market value of medicinal plant products exceeds $100 billion per annum. This paper discusses the role, contributions and usefulness of medicinal plants in tackling the diseases of public health importance, with particular emphasis on the current strategic approaches to disease prevention. A comparison is drawn between the ‘whole population’ and ‘high-risk’ strategies. The usefulness of the common-factor approach as a method of engaging other health promoters in propagating the ideals of medicinal plants is highlighted. The place of medicinal plants in preventing common diseases is further examined under the five core principles of the Primary Health Care (PHC) approach. Medicinal plants play vital roles in disease prevention and their promotion and use fit into all existing prevention strategies. However, conscious efforts need to be made to properly identify, recognise and position medicinal plants in the design and implementation of these strategies. These approaches present interesting and emerging perspectives in the field of medicinal plants. Recommendations are proposed for strategising the future role and place for medicinal plants in disease prevention.

/pdf/the-role-and-place-of-medicinal-plants-in-the-strategies-for-3sg6isrlzm.pdf

The Role and Place of Medicinal Plants in the Strategies for Disease Prevention

Although there have been major improvements in oral health, with remarkable advances in the prevention and management of oral diseases, globally, inequalities persist between urban and rural communities. These inequalities exist in the distribution of oral health services, accessibility, utilization, treatment outcomes, oral health knowledge and practices, health insurance coverage, oral health-related quality of life, and prevalence of oral diseases, among others. People living in rural areas are likely to be poorer, be less health literate, have more caries, have fewer teeth, have no health insurance coverage, and have less money to spend on dental care than persons living in urban areas. Rural areas are often associated with lower education levels, which in turn have been found to be related to lower levels of health literacy and poor use of health care services. These factors have an impact on oral health care, service delivery, and research. Hence, unmet dental care remains one of the most urgent health care needs in these communities. We highlight some of the conceptual issues relating to urban-rural inequalities in oral health, especially in the African and Middle East Region (AMER). Actions to reduce oral health inequalities and ameliorate rural-urban disparity are necessary both within the health sector and the wider policy environment. Recommended actions include population-specific oral health promotion programs, measures aimed at increasing access to oral health services in rural areas, integration of oral health into existing primary health care services, and support for research aimed at informing policy on the social determinants of health. Concerted efforts must be made by all stakeholders (governments, health care workforce, organizations, and communities) to reduce disparities and improve oral health outcomes in underserved populations.

Oral Health Inequalities between Rural and Urban Populations of the African and Middle East Region.

The impact of the ART approach on the treatment profile in a Mobile Dental System (MDS) in South Africa

Summary: Purpose: We determined the prevalence of oral disorders and the dental treatment needs of outpatients with epilepsy.



Methods: A questionnaire was administered to 56 consecutive patients (35 males, 21 females) presenting to an outpatient clinic. All patients underwent dental examinations. The clinical and diagnostic features of each patient's epilepsy were also obtained.



Results: The mean age (±SD) of the patients was 25.1 ± 12.1 years (range, 12–56 years). Of 9 patients receiving phenytoin (PHT) monotherapy, 3 (33.3%) had gingival hypertrophy; 15 of 18 (83.3%) patients receiving PHT in combination with phenobarbital (PB) manifested the disorder. Traumatized anterior teeth were found in 26 (46.4%) patients with the males significantly more affected than females (p = 0.02). When the dental treatment needs were considered, 24 (42.9%) patients required dental prophylaxis with oral hygiene instruction, and an equal number required various types of restorative treatments. Only 13 patients (23.2%) had previously visited a dental clinic; the 43 (76.8%) who had never sought dental treatment claimed they did not see any need for it.



Conclusions: Our study showed an increased predilection to anterior dental injuries in patients with epilepsy as compared with the prevalence earlier reported for those without epilepsy in Nigeria (p = 0.00). There is a clear need for effective interaction between medical and dental practitioners in the management of epilepsy.

https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1528-1157.1998.tb01426.x

Oral Health and Dental Treatment Needs in Nigerian Patients with Epilepsy

Objective: The purpose of this study was to determine the prevalence of the oral manifestations of HIV/AIDS and to correlate the prevalence of these lesions with the stages of the disease in the Ife-Ijesa zone, Nigeria. No comprehensive data were available for correlating it with the staging of HIV/AIDS in this region.



Subjects:  The pattern of oral HIV lesions as classified by the EC-Clearinghouse was studied in 225 confirmed consecutive HIV-infected patients in this zone.



Methods:  Clinical dental examinations were conducted under natural daylight on all consenting HIV patients, sitting in an upright chair, using dental mirrors and probes.



Results:  The prevalence of oral HIV lesions was 84.0%, with lesions ranging in number from one to six. The commonest HIV lesion was pseudo-membranous candidiasis (43.1%) followed by erythematous candidiasis (28.9%), angular cheilitis (28.9%), linear gingival erythema (24.0%) and ulcerations (8.9%). Lesions less commonly found were oral hairy leukoplakia (1.3%) and salivary gland swellings (1.3%). Heterosexual intercourse was the most common mode of transmission (94.7%) and HIV-1 (96.9%) the most prevalent pathogen among the study population. The majority of the patients were in the WHO clinical stage III (59.1%) and presented late.



Conclusions:  The prevalence of oral HIV lesions in the present study was high.

Eyitope O. Ogunbodede

Papers

The Role and Place of Medicinal Plants in the Strategies for Disease Prevention

Oral Health Inequalities between Rural and Urban Populations of the African and Middle East Region.

The impact of the ART approach on the treatment profile in a Mobile Dental System (MDS) in South Africa

Oral Health and Dental Treatment Needs in Nigerian Patients with Epilepsy

Patterns of oral manifestation of HIV/AIDS among 225 Nigerian patients