title: Evaluation of body weight, body mass index, and body fat percentage changes in early stages of fixed orthodontic therapy.
abstract: OBJECTIVE
  The aim of this study was to evaluate and compare the changes in body weight, body mass index (BMI), and body fat percentage (BFP) during the initial stages of fixed orthodontic treatment.
  
  
  METHODS
  The sample for this observational prospective study included 68 individuals with fixed orthodontic appliance in the age group of 18-25 years of both the sexes (25 males and 43 females). The control group consisted of 60 individuals (24 males and 36 females). The weight, BMI, and BFP were measured using a Body Composition Monitor at three points of time "T1" initial; "T2" after 1 month; and "T2" after 3 months. The results were tabulated and analyzed with the Statistical Package for the Social Sciences software. The mean changes between different parameters in both the study and control groups and between males and females in the study group was compared by using two-tailed unpaired student's t-test. The statistical significance is set atP ≤ 0.05.
  
  
  RESULTS
  There was an overall decrease in the body weight, BMI, and BFP after 1 month in the study cohort, which was statistically significant compared to the control group (P < 0.0001). This was followed by an increase in the parameters after the end of the 3(rd) month. Comparison of the parameters between the study and control group at the start of the treatment and at the end of the 3(rd) month had no statistical significance. There was a marked variation in the changes of these parameters between males and females of the study group, which is statistically significant (<0.0001).
  
  
  CONCLUSIONS
  There is a definite reduction in the weight, BMP, and BMI at the end of the first month followed by a gain of weight, but not at the initial point by the end of the 3(rd) month.
authors: Department of Orthodontics, Narayana Dental College, Nellore, Andhra Pradesh, India.
authors: K Sai
authors: KS
authors: Sandeep
authors: Department of Orthodontics, Narayana Dental College, Nellore, Andhra Pradesh, India.
authors: Gowri Sankar
authors: GS
authors: Singaraju
authors: Department of Orthodontics, Narayana Dental College, Nellore, Andhra Pradesh, India.
authors: V Karunakar
authors: VK
authors: Reddy
authors: Department of Orthodontics, Narayana Dental College, Nellore, Andhra Pradesh, India.
authors: Prasad
authors: P
authors: Mandava
authors: Department of Orthodontics, Narayana Dental College, Nellore, Andhra Pradesh, India.
authors: Venkata N
authors: VN
authors: Bhavikati
authors: Department of Orthodontics, Narayana Dental College, Nellore, Andhra Pradesh, India.
authors: Rohit
authors: R
authors: Reddy
keywords: Body fat percentage; Orthodontics; body mass index; fixed appliance; weight