title: Assessment of Mandibular Distraction Regenerate Using Ultrasonography and Cone Beam Computed Tomography: A Clinical Study.
abstract: Distraction osteogenesis (DO) is becoming a popular method of reconstruction for maxillofacial bony deformities or defects secondary to trauma or surgical tumor ablation. However, the technique is very sensitive in terms of the rate and rhythm of distraction. Because of this, there is a need for monitoring of the distraction regenerate during the distraction as well as the consolidation period. The present study was conducted to assess the regenerate using two imaging modalities, namely, ultrasonography (USG) and cone beam computed tomography (CBCT) to determine their relative efficacies and to weigh their clinical usefulness in assessment of DO regenerate. The study was conducted on 12 patients (18 sites) who underwent mandibular distraction for correction of facial deformities. The results showed that overall USG correlated better with the condition of regenerate (r = 0.606) as compared with CBCT (r = 0.476). However, USG was less effective as compared with CBCT in assessing the regenerate once corticomedullary differentiation occurred in the bone.
authors.affiliation: Department of Oral and Maxillofacial Surgery, Maulana Azad Institute of Dental Sciences, New Delhi, India.
authors.forename: Jitender
authors.initials: J
authors.lastname: Dabas
authors.affiliation: Department of Oral and Maxillofacial Surgery, Maulana Azad Institute of Dental Sciences, New Delhi, India.
authors.forename: Sujata
authors.initials: S
authors.lastname: Mohanty
authors.affiliation: Department of Oral and Maxillofacial Surgery, Maulana Azad Institute of Dental Sciences, New Delhi, India.
authors.forename: Zainab
authors.initials: Z
authors.lastname: Chaudhary
authors.affiliation: Department of Pediatric Dentistry, Guru Tegh Bahadur Hospital, New Delhi, India.
authors.forename: Amita
authors.initials: A
authors.lastname: Rani
keywords: CBCT; distraction osteogenesis; ultrasonography