PURPOSE The aim of this in vitro study was to determine the sensitivity and specificity of cone-beam computed tomography (CBCT) and digital periapical radiography in the detection of mesial root perforations of mandibular molars. MATERIALS AND METHODS In this in vitro study, 48 mandibular molars were divided into 4 groups. First, the mesial canals of all the 48 teeth were endodontically prepa...

background and aim: clinical and radiographic diagnoses of dental root fractures have always been difficult and require high accuracy in dental care and treatment. the aim of this study was to compare the diagnostic accuracy of intraoral digital radiography (psp) and cbct in the detection of horizontal root fracture (hrf) and vertical root fracture (vrf). materials and methods: for this experim...

This paper proposes a heuristic rule for detection of user-to-root (U2R) attacks against Solaris TM operating system. Relevant features for developing heuristic rules were manually mined using Solaris TM Basic Security Module audit data. The proposed rule was tested on both DARPA 1998 and 1999 intrusion detection datasets. Results show that all user-to-root attacks exploiting the suid program w...

INTRODUCTION Vertical root fracture (VRF) is common in endodontically treated teeth. Conventional and digital radiographies have limitations for detection of VRFs. Cone-beam computed tomography (CBCT) offers greater detection accuracy of VRFs in comparison with conventional radiography. This study compared the effects of metal artifacts on detection of VRFs by using two CBCT systems. METHODS ...

This paper presents a novel image processing procedure dedicated to the automated detection of the medial axis of the root canal from dental micro CT records. The 3D model of root canal is built up from several hundreds of parallel cross sections, using image enhancement and an enhanced fuzzy cmeans based partitioning, center point detection in the segmented slice, three dimensional inner surfa...

The principal objective of periodontal therapy is the conservative elimination of soft and hard bacterial deposits on the root surface and to prevent recolonization of periodontal pockets by pathogenetic bacteria (Cobb, 1996; Van der Weijden et al, 2002). The rationale for the complete elimination of calcified hard deposits is based of the etiology of chronic destructive periodontal diseases. T...

Background and Aim: Clinical and radiographic diagnoses of dental root fractures have always been difficult and require high accuracy in dental care and treatment. The aim of this study was to compare the diagnostic accuracy of intraoral digital radiography (PSP) and CBCT in the detection of horizontal and vertical root fractures (HRF and VRF). Materials and Methods: For this experimental stud...