الفهرس 
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Abstract
Aim: Complete dentures used to restore function, esthetics and phonetics for completely
edentulous patients. They can be fabricated either by: conventional or CAD/CAM method. The
current study aims to compare patient satisfaction and retention of upper complete denture
fabricated using two different denture base techniques; the first fabricated using rapid prototyping
method, while the second is following conventional method of complete denture construction.
Methodology: Sixteen completely edentulous patients were recruited from the outpatient clinics of
Prosthodontics Faculty of Dentistry, Cairo University. All included patients were seeking to have
maxillary and mandibular complete dentures fabricated following a strict inclusion criteria. The
patients were randomly allocated in one of two groups; control group for conventionally fabricated
complete denture bases and intervention group for Rapid Prototyping (RP) of complete denture
bases. Patient satisfaction was assessed by using a validated patient questionnaire. The retention
was measured by retention force gauge device at baseline (immediately at the day of delivery of
prosthesis) and then three months later. Patient satisfaction and denture retention were assessed at
baseline (one month after delivery of prosthesis) and three months later after complete denture
delivery.
Results: There was a statistically significant difference in the mean score of the overall patient
satisfaction one month after delivery and three months later between the conventional and the Rapid
Prototyping (RP) group. The RP group has shown lower mean score than conventional group
v
indicating more patient satisfaction with the RP group. There was also no statistically significant
difference in denture retention score between the RP than the conventional group. The retention
scores were evaluated immediately after delivery and three months after delivery.
Conclusion: Complete denture retention is not significantly affected by the method of denture
base construction; however, the overall patient satisfaction has improved with rapid prototyping
denture bases than the conventional ones.