Aim:
This systematic review and meta-analysis evaluated the clinical survival of axial and tilted implants in atrophic edentulous maxilla after three years of immediate loading and also the corresponding marginal bone loss.
Setting and Design:
This systematic review was conducted in accordance with the Preferred Reporting Items for Systematic reviews and Meta-Analyses guidelines (PRISMA).
Materials and Methods:
The relevant studies were retrieved from MEDLINE(PubMed), the Cochrane Central Register of Controlled Trials (CENTRAL), Science Direct, Google Scholar databases. The search was limited to studies published in the English language with no date restrictions. A further hand search was conducted on individual journals and reference lists of studies. The risk of bias in included studies was assessed by using the Evidence Project risk of bias tool.
Statistical Analysis Used:
Statistical meta-analysis was conducted using RevMan 5.4 software. The assessment for the level of evidence was done using GRADEpro software.
Results:
Eleven studies were finalised. All were included in the meta-analysis for implant survival, while only seven studies were included in the meta-analysis of marginal bone loss. After three years, the meta-analysis results for implant survival showed no statistical difference between axial and tilted implants, with the forest plot neither favouring axial nor tilted implants (RR = 1.00 (95% CI: 0.98-1.01); P-value = 0.59). After three years, the meta-analysis results for marginal bone showed no statistical difference between axial and tilted implants, with the forest plot neither favouring axial nor tilted implants (MD = -0.02; 95% CI; -0.09-0.06; P-value = 0.69).
Conclusion:
In the immediately loaded rehabilitation of completely edentulous atrophic maxillae, tilting of implants did not induce any significant alteration in their survival and their corresponding marginal bone loss levels compared to conventionally placed axial implants even after three years of function.
ABSTRACT
Background: Age related changes in oral structures and nutritional deficiencies cause difficulties in wearing complete dentures amongst elderly adults
Objective: To identify the impact of edentulism on nutritional status of eldrly adults.
Methodology: To conduct the present study, information of existing literature are collected from textbooks, printed journals, and electronic databases such as pubmed, scopus, and science direct.
Result: Prevalence of malnutrition rises with an increase in age. Edentulous subjects more likely to report trouble in chewing their food as compared to dentulous subjects. Edentulous subjects had significantly lower intake of calories, protein, carbohydrate, fibres, vitamins A, C,B1, and B6 . Intake of calcium and protein was lower in women with dentures than in dentate women. Compromised oral functional status was associated with lower serum albumin levels and lower BMI in functionally dependent elderly people.
Conclusion: There is good quality evidence that edentulism is associated with poor diet and compromised nutrition.Although the majority of the studies cited here have not established a cause and effect relationship, results from Sheiham and others. However, more longitudinal studies on this topic are required to further understand the potential role of nutrition in the prevention of age related changes and reduce the failure of complete denture treatment in elderly adults.
Keywords:Aging, Complete Denture, Elderly adults, Nutritional Assessment, Nutrition.
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