Background: Occlusal unbalance is considered a major challenge for complete denture wearers. It could affect functional intra oral stability and decreases patient desires related to complete dentures as a definite treatment plan. Materials and Methods: Twelve mandibular complete dentures had been divided into two groups according to retentive protocol into group (C) as a control group: who received conventional heat-cured acrylic resin mandibular complete dentures, group (U) as test group: who received conventional heat-cured acrylic resin mandibular complete dentures retained by ultra-suction device). T-Scan occlusal load analysis system was used to evaluate the balanced occlusion existence on the complete denture followed by OHIP questionnaire administration to the patients to evaluate patient satisfaction. Studying the effect of time over six months' follow-up for each group performed by paired t-test and comparison between group (C) and group (U) were performed using Independent t-test at the level of significance ≤ 0.05. Results: Considering balanced occlusion of both groups, they showed a significant difference between both sides posteriorly before adjustments (46.5%,39.9% and 45%,37.7%) and an insignificant difference between both sides posteriorly after adjustments (38.3%,41.6% and 49.6%,49.3%) after one month except for group (C) which showed a significant difference after six months (38.3%,41.6% and 44.5%,39.7%) posteriorly between both sides. Investigated domains showed a higher significant difference for group (C) about oral health's effect on the quality of life (42.8±11.69). Conclusion: Ultra Suction retained mandibular complete dentures revealed better-balanced occlusion and patient satisfaction than ordinary mandibular complete dentures.