Prevalence of ellis class-ii restoration in patients above 16 years of age-a retrospective study

Abstract

Traumatic injuries of teeth are commonly seen among children and young adults. Such injuries are predominant in the upper anteriors. The uncomplicated fractures that affect only the enamel and dentin layer of the teeth without involving the pulp comes under Ellis class II type of traumatic injuries. These injuries may elicit as a loss of about 1/3rd crown structure with rough endings affecting the traumatised teeth. In other words, this level of injury includes crown fractures that extend through the enamel and dentin without pulpal involvement.The aim of this study is to elicit the prevalence of Ellis class-II restorations in patients above 16 years of age. The data collected from the records were 86000 and they were screened for patients with Ellis class II restoration. Patients above 16 years of age who underwent Ellis class-II restoration from June 2019 to March 2020 were chosen and divided into three age groups. Group 1 includes patients between 16-25 years of age, group 2 includes patients between 26-35 years of age and group 3 includes 36-70 years of age. The most predominant age group with the maximum number of restorations was estimated statistically. From the study it can be estimated that among 284 patients who have undergone Ellis class-II restoration, the number of male patients were 189 and the number of female patients were 95. The predominant gender was males with the highest frequency. Considering the age groups, group-1(16-25 years) includes 123 patients, group-2 (26-35 years) includes 79 patients and group-3 (36-70 years) includes 82 patients. The predominant age group with the highest prevalence of Ellis class-II restoration is 16-25 years i.e. group-1. From the statistical test, it can be estimated that figure-I indicates the distribution of study population based on age wherein 43% of patients belonged to group-1 with highest frequency and 27% of patients belonged to group-3 with the lowest frequency. Figure-II indicates the distribution of the study population based on gender, wherein 67% of the patients were males with the highest frequency and 33% were females with the lowest frequency. A chi-square association test(chi-square-9.154;df-1;p-0.037(p<0.05) gives a statistically significant association between gender, age group and the presence of Ellis class-II restoration.