Root canal filling materials, including sealercement and obturation points or cones, are used in root canal treatment to occlude the apical portion of the canal. These will block the dentinal tubules preventing passage of tissue fluids, toxins, and microorganisms into the root canal space. Many investigators have demonstrated the importance of a sealer cement for effective root canal obturation...

INTRODUCTION The purpose of this study was to compare the subcutaneous tissue responses of freshly mixed or set endodontic root canal sealers (i.e. RoekoSeal, AH26, AH Plus) in Wistar Albino rats. MATERIALS AND METHODS Seventy-two male albino rats weighing 200-250g were used. The animals were randomly divided into six groups of 12 rats each. Root canal sealers were implanted in subcutaneous t...

BACKGROUND Together with diagnosis and treatment planning, a good knowledge of the root canal system and its frequent variations is a necessity for successful root canal therapy. The selection of instrumentation techniques for variants in internal anatomy of teeth has significant effects on the shaping ability and cleaning effectiveness. The aim of this study was to reveal the differences made ...

UNLABELLED The search for new instruments to promote an appropriate cervical preparation has led to the development of new rotary instruments such as TripleGates. However, to the best of the authors' knowledge, there is no study evaluating TripleGates effect on the "risk zone" of mandibular molars. OBJECTIVES The aim of this study was to evaluate the effects of a crown-down sequence of Gates-...

Figure. Endoscopic and sonographic findings of a 59-year-old woman with solitary rectal ulcer syndrome. (A) Sigmoidoscopy shows large ulcer with fold convergence (black arrow) in the lower rectum. (B) Increased thickness of internal anal sphincter is noted at mid level of anal canal. (C) Internal anal sphincter is also more thickened at low level of anal canal. TO THE EDITOR: We read with inter...

Anatomical and functional characteristics of the teat are supposed to have considerableinfluence on milk flow performance. In the present study various teat and milkingcharacteristics in 148 quarters of 38 cows were analyzed via 3 different approaches. Teatcanal length, teat wall thickness and teat diameter were measured by ultrasound. In addition,the vacuum needed to open the t...

OBJECTIVE Our goal is to confirm the hypothesis that people who were born and raised on cities at altitude have a smaller proximal femoral canal. METHODS Prospective study with 169 participants, divided into two groups. Group A: 99 patients who were born and raised at altitude and group B: 70 patients who were born and raised at low altitude. All patients underwent panoramic radiographs of th...

Background: The study was to evaluate the eff ect of Wave One fi le system s and One Shape fi le system on the dentine thickness in the apical area of the root canal. Materials and Methods: In this study, a total of 40 freshly extracted human mandibular fi rst molars were taken. All the teeth were categorized into two groups namely Group I: Wave One, Group II: One Shape. Mesio buccal canal of m...

The objective of this study was to evaluate the location of the mandibular canal and the thickness of the occlusal cortical bone at dental implant sites in the lower second premolar and lower first molar by using dental cone-beam computed tomography (CBCT). Seventy-nine sites (47 second premolar and 32 first molar sites) were identified in the dental CBCT examinations of 47 patients. In this st...

BACKGROUND Primary root canals are considered to be most challenging due to their complex anatomy. "Wave one" and "one shape" are single-file systems with reciprocating and rotary motion respectively. The aim of this study was to evaluate and compare dentin thickness, centering ability, canal transportation, and instrumentation time of wave one and one shape files in primary root canals using a...