Prevalence of Midline Fracture in Mandibular Complete Denture

Abstract

Patients wearing complete dentures whether both arches or a single mandibular denture pose a great problemof midline fracture. They are more evident in patients who have retained their natural maxillary teeth. Fewreports are available on the incidence of mandibular complete denture and its management. This study aimsto evaluate the prevalence of midline fractures in mandibular complete denture .This study was designed as aretrospective clinical study. All the patients with Complete dentures who have been treated at the departmentof Prosthodontics from June 2019-March 2020 were included in the study. A total of 915 patients wearingcomplete dentures in the age group 40-80 years were included in the study .Various parameters namelymidline fracture , denture age and the arch were evaluated.The data was analysed and results were recorded.In the present study , out of 915 only 11 patients reported with complete denture fractures predominantlywithin 5 years of denture use. Midline fracture was found to be more prevalent in mandibular completedenture than maxillary complete denture.Patients wearing dentures for less than or equal to 5 years hada higher frequency of denture fracture in both maxilla(0.22%) and mandible(0.66%).The prevalence ofmidline fracture in mandibular complete denture was found to be 17.2%.