نتایج جستجو برای: cemento enamel junction cej
تعداد نتایج: 62320 فیلتر نتایج به سال:
The aim of this study was to develop a method for estimating the chronological age of Indian adults based on the relationship between age and various morphological variables of canine teeth, obtained using orthopantomographs. Orthopantomographs of 120 selected patients were digitized, and radiographic images of the right maxillary canine in each case were processed using a computer aided drafti...
PURPOSE To evaluate the effects of andiroba oil on the periodontitis in rats. METHODS The periodontitis was induced by the placement of cotton ligatures around the cervix of the second upper molars on fifteen rats, and waiting fifty days. The animals were randomly distributed into three groups: saline group, andiroba oil group and meloxican group, differentiated by substance used in the treat...
talon cusp is an accessory cusp similar to a projection, extending from the cingulum or cemento-enamel junction to the incisal edge. it occurs on labial or palatal surfaces of primary or permanent anterior teeth in both arches. this accessory cusp can occur as an isolated entity or in association with other dental anomalies. occurrence of a talon cusp on supernumerary teeth is rare and uncommon...
The aim of this study was to compare the alveolar bone crest (ABC) level root canal filled (RCF) teeth without apical periodontitis with corresponding non-filled in same individual using three-dimensionally cone-beam computed tomography (CBCT) data. Two hundred and thirty-five matching pairs RCF were selected from a pool 580 random CBCT-images (voxel size 160–200 µm). Teeth periodontitis, perio...
We sought to evaluate immediate and delayed micro-tensile bond strength of Panavia F2.0 and Multilink Sprint resin cement to superficial, deep and cervical dentin. Thirty-six freshly extracted non-carious human molars were sectioned in the mesiodistal direction to expose three different dentin regions including superficial dentin (1 mm below the dentine-enamel junction), deep dentin (1 mm above...
DESCRIPTION A healthy 18-year-old male patient came for a routine dental examination. His medical history was uneventful. Mandibular left central incisors exhibited small prominent cusp on its lingual surface (figure 1). The cusp was teatlike, projected from the cement–enamel junction and extended halfway to the incisal edge. The cusp measured 4.5 mm in length (incisocervically), 3.5 mm in widt...
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 a...
چکیده زمینه و هدف: با توجه به اینکه معاینات رادیوگرافیک در تعیین طرح درمان بیماران با مشکلات پریودنتالی نقش تعیین کننده ای دارند، لذا این مطالعه با هدف تعیین دقت رادیوگرافی بایت وینگ دیجیتال (cmos) در سنجش میزان تحلیل استخوان آلوئول بین دندانی در دندانهای خلفی انجام شده است. مواد و روش ها: در این مطالعه مقطعی، تعداد 61 دندان از 16 بیمار مراجعهکننده به بخش پریودنتیکس دانشکده دندان پزشکی رفسنجا...
background radiographs play an integral role in the assessment of periodontal disease. in recent years, advent of digital imaging has revolutionized radiology in dentistry. patients and methods in this diagnostic accuracy study, 48 inter proximal surfaces were evaluated in eight patients. these patients had alveolar bone loss in anterior regions because of periodontitis. intraoral (parallel per...
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