EFFECT OF DEXAMETHASONE DOSAGE ON TRISMUS AFTER SURGICAL REMOVAL OF MANDIBULAR THIRD MOLAR IMPACTION- A RANDOMIZED CLINICAL TRIALS
DOI:
https://doi.org/10.33279/jkcd.v11i02.153Keywords:
Third molar, impacted third molar, trismus, dexamethasoneAbstract
Objective:
To compare incidence of trismus postoperatively in patients receiving preoperative 4mg versus 8mg intravenous dexamethasone after the surgical removal of impacted mandibular third molars.
Materials and Methods:
Forty participants were randomly divided into two groups by lottery method. Group A received 4mg dexamethasone and group B received 8mg intravenously one hour before the procedure. Both genders with age range of 18-40 years, having mouth opening more than 35 mm and impacted mandibular third molars were included in the study. Cases having contra-indications to the use of steroids like diabetes mellitus, glaucoma, and tuberculosis were excluded. Mouth opening was measured in millimetres preoperatively and post-operatively after 2 days. Descriptive statistics were calculated. Independent t test and Chi-square test were used to compare mouth opening and trismus between the two groups respectively.
Results:
The mean age was 29.62±6.704 years. The males were 21(52.5%) and females were 19(47.5%). The mean post-operative mouth opening at day 2 was more in 8mg (35.95±2.704) than 4mg dexamethasone group(31.30±5.292) and results were statistically significant (P=.001). Similarly the comparison of trismus in 4mg versus 8 mg dexamethasone shows that trismus was less in 8mg (25%) than 4mg dexamethasone group (60%) and results were statistically significant (P=0.025).
Conclusion:
The administration of 8 mg dexamethasone was more effective than 4mg to reduce the degree of trismus.
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Copyright (c) 2021 Taran Kumar, Ajmal Khan, Suhail Shahzad

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