Frequency of Different Fracture Patterns of Acrylic Partial Denture in the Patients Visiting Sardar Begum Dental College
Frequency of Different Fracture Patterns of Acrylic Partial Denture
DOI:
https://doi.org/10.54393/pjhs.v6i11.3530Keywords:
Acrylic Partial Denture, Fracture Pattern, Midline Fracture, Parafunction, ReinforcementAbstract
Fracture of acrylic removable partial dentures (RPDs) is a major cause of prosthesis failure, often requiring repair or replacement. Objective: To determine the distribution of fracture patterns in acrylic RPDs and assess associations with demographic and clinical factors in patients at Sardar Begum Dental College. Methods: In this cross-sectional study (Sept 2023–Mar 2024), 96 patients with fractured acrylic partial dentures were enrolled consecutively. Fracture types (midline, clasp, connector, crack line, multiple) and variables including age, gender, reinforcement, parafunctional habits, and ridge resorption were recorded. Data were analyzed using chi-square tests and Cramer’s V, with p<0.05 considered significant. Results: Midline fractures were most frequent (57.3%), followed by clasp fractures (28.1%), multiple-site (12.5%), connector (1.0%), and crack line only (1.0%). Parafunctional habits were significantly associated with fracture pattern (p=0.042, Cramer’s V = 0.321). Reinforcement showed borderline significance (p=0.060). Other factors showed no significant relationship. Conclusions: Midline fractures predominate in acrylic RPDs. Parafunction is a significant modifiable risk factor, and reinforcement may offer a protective benefit. Screening for parafunctional habits and implementing prudent reinforcement strategies could reduce fracture incidence.
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