Back ground: Removable partial dentures are an inexpensive mode of treatment to effectively replace teeth, but higher incidence of plaque, mobility of the teeth and caries is associated with them. Dental implants, that are long considered a standard of care in fixed prostheses, can improve the overall quality of restoration in partial denture wearers. Materials and methods: 50 partial denture wearers were studied to assess their attitude towards implant treatment. Correlation between oral hygiene status, age, gender and extent of edentulousness were also evaluated. Results: 19 out of the 40 patients were not willing for implant treatment. Significant difference (p=0.045) was seen between oral hygiene status of patients willing for implant treatment and those not willing. Conclusion: About 50% of partial denture wearers were unwilling to accept implant treatment. Within the limitations of the study it can be concluded that patient perceived higher cost of implants and less awareness about oral hygiene can be associated with unwillingness of removable partial denture wearers to opt for a implant treatment.
Background: Hydrodynamic pressure due to excess luting agent and insufficient seating pressure prevents complete seating of restorations. Incompletely seating may lead to disturbances in occlusion and interproximal contacts, decreased retention, open margins and recurrent caries. Decreased area of application of luting agent can improve marginal fit. However, its effect on retention of the prostheses is unclear. Materials and Methods: In the in vitro study, marginal discrepancy and retention of full metal crowns were measured in 20 extracted human molars, divided into 2 groups, with a variation in application of luting agent. Results: Test statistics showed a statistically significant difference between the two groups, both in retention and marginal discrepancy. Conclusion: Decrease in the amount and area of application of the luting agent significantly decreases the marginal discrepancy of a cemented full crown. However, it also significantly reduces the retention, due to decrease in the bonding area.
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