Comparison of Masticatory Performance of Bilateral Balanced Occlusion and Lingualized Occlusion in Complete Denture Patients

Seema Khattak; Muzammal Maqsood Butt; Surriya Sherazi; Saad Khan; Mubashir Sharif; Madiha Shahbaz

doi:10.51253/pafmj.v76iSUPPL-1.13245

Authors

Seema Khattak Department of Prosthodontics, Armed Forces Institute of Dentistry, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Muzammal Maqsood Butt Department of Prosthodontics, Armed Forces Institute of Dentistry, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Surriya Sherazi Department of Prosthodontics, Armed Forces Institute of Dentistry, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Saad Khan Department of Prosthodontics, Armed Forces Institute of Dentistry, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Mubashir Sharif Department of Prosthodontics, Armed Forces Institute of Dentistry, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Madiha Shahbaz Department of Prosthodontics, Armed Forces Institute of Dentistry, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan

DOI:

https://doi.org/10.51253/pafmj.v76iSUPPL-1.13245

Keywords:

Bilateral balanced Occlusion, Complete Denture, Lingualized Occlusion

Abstract

Objective: To compare the masticatory performance of complete dentures with lingualized occlusion (LO) versus those with bilateral balanced occlusion (BBO).

Study Design: Randomized Controlled Trial (NCT06811818).

Place and Duration of Study: Armed Forces Institute of Dentistry Rawalpindi, Pakistan from Jun to Dec 2024.

Methodology: Using Block Randomization approach, a total of 146 participants aged 45–65 years were randomly assigned to two groups: Group-LO (n=73) received complete dentures with lingualized occlusion, while Group-BBO (n=73) received dentures with bilateral balanced occlusion. Masticatory performance was evaluated by having participants chew 15 g of peanuts, with the masticated material collected, sieved, dried, and weighed. Statistical analysis was performed using Student's t-test, with significance set at p<0.05.

Results: The mean age was comparable between groups (LO: 52.33±3.66 years; BBO: 52.29±4.42 years). The mean weight of masticated peanuts was significantly higher in the Group-LO (2.25±0.23 g) than in the Group-BBO (2.08±0.34 g, p<0.001). Among females, the Group-LO showed a significantly higher mean weight (2.25±0.17 g) compared to the Group-BBO (2.11±0.32 g, p=0.02). Similarly, among males the Group-LO performed better (2.24±0.27 g) than the Group-BBO (2.03±0.36 g, p=0.008).

Conclusion: Complete dentures with lingualized occlusion have superior masticatory performance compared to bilateral balanced occlusion, with significant improvements observed in both genders.

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