Abstract

The aim of this descriptive study was to evaluate the association between root resorption and each type of luxation injury, the effect of timely treatment, age of the patient at presentation and maturity of maxillary anterior teeth presented with luxation injuries. A cross sectional descriptive study was carried out on 132 patients aged 6 to 50 years old with luxation injuries occurred to 213 teeth and were followed up for 24 months. Data were collected on the age, sex, the tooth/teeth involved, type of trauma, date of occurrence of trauma and date of presentation for treatment. Radiographically teeth were assessed for the presence/absence of resorption and type of resorption (External inflammatory, external replacement and Internal inflammatory) at review appointments. Data analysis was done using the SPSS version- 24 and non- parametric tests were used assess associations. Amongst all types of luxation injuries, most frequently presented type was subluxation (40.8%) injuries followed by concussion (25.4%), Intrusive and palatal luxation (15.5% each) and extrusive luxation (2.8%) respectively. Further, 51 of 213 teeth (23.9%) showed root resorption after luxation injury. The most frequently observed resorption was external inflammatory resorption in 44 teeth (20.7%) followed by external replacement resorption in 6 teeth (2.8%) and internal inflammatory resorption in 1 tooth (0.5%). Out of 43 late presenters 77% (34) showed root resorption, while only 10% (17) of immediate presenters showed resorption of root. The results indicated that there is a statistically significant difference in occurrence of root resorption and the late presentation for treatment (X2=91.63, df=3, p=0.000), as well as with the type of injury (X2=35.9, df=12, p=0.000). Furthermore, there was a statistically significant difference between the age of the patient and the type of luxation injury (X2 =54.29, df-12, P=0.000).

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