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ORIGINAL RESEARCH Table of Contents   
Year : 2015  |  Volume : 26  |  Issue : 3  |  Page : 280-283
Role of trabecular bone in visibility of laminadura: A cross-sectional radiographic study


1 Department of Oral Medicine and Radiology, Qassim University Dental College, Buraydah, Saudi Arabia
2 Department of Oral Medicine and Radiology, Gian Sagar Dental College and Hospital, Rajpura, Punjab, India
3 Department of Pedodontics and Preventive Dentistry, Gian Sagar Dental College and Hospital, Rajpura, Punjab, India
4 Department of Oral Medicine and Radiology, Gitam Dental College and Hospital, Visakhapatnam, Andhra Pradesh, India

Correspondence Address:
Sanjeev Jindal
Department of Oral Medicine and Radiology, Gian Sagar Dental College and Hospital, Rajpura, Punjab
India
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Source of Support: Nil, Conflict of Interest: None


DOI: 10.4103/0970-9290.162892

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Aim: To determine the degree to which trabecular bone contributes to the radiographic visibility of laminadura (LD). Study Design: Human dry mandibles were obtained, and a series of radiographs were acquired in the premolar region. Radiographs taken were: (1) Before removal of any bone, (2) After removal of small amount of cortical bone at the apex of tooth, (3) Removal of trabecular bone, (4) Smoothing of endosteal surface of cortical bone. The radiographs were projected to a panel of six oral radiologists, and they were asked to judge the visibility of LD. Results: Chi-square analysis revealed a significant radiographic difference between radiographs made initially and after removal of trabecular bone, cortical bone and smoothing the endosteal surface of cortical bone. Conclusion: There was statistically significant difference in the visibility of loss of LD when trabecular bone is lost. LD can be visible only if the endosteal surface of the cortical bone and trabecular bone is intact.


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