Root Canal Symptoms A number of symptoms can reveal conditions such as a tooth infection, an abscess or a tooth fracture that make necessary an endodontic treatment. The most common pre root canal symptom is tooth pain either as a sensitivity to cold or hot, sharp pain when biting or tapping...
Coronal leakage as a cause of failure in root-canal therapy: a review. This paper reviews the evidence that coronal leakage of root canals may lead to failure of root-canal therapy. The causes of coronal leakage and methods by... WP Saunders,EM Saunders - 《Dental Traumatology》...
fashion. Having a sinus tract and a narrow, isolated periodontal probing defect in association with a tooth that has had root canal treatment, with or without a post placement, is considered to be pathonomonic for the presence of a VRF.) 另一篇综述总结了VRF的临床和X线常见表现[6]。“如果没...
[名词解释]rootcanal 免费查看参考答案及解析 题目: [单选] Linux系统里,想要禁止root远程登陆,需要修改()文件,然后重启服务。 A./etc/sshd/ssh_config B./etc/sshd/sshd_config C./etc/ssh/ssh_config D./etc/ssh/sshd_config 免费查看参考答案及解析 ...
This chapter presents a case of symptomatic periodontitis associated with a previously inadequate root canal treatment. The internal anatomy of human teeth is complicated, consisting of a central main part and associated extra canals. Failure to incorporate the whole root canal system in the endodontic...
10 – A tooth with a root canal treatment that has failed should always be extracted False. The success rate of root canals is about 85%. If a root canal has been done years ago and re-causes pain or infection, the tooth can often be retreated. ...
Root canaltreatment is a reliable procedure that aims to restore or maintain the health of apical tissues to maintain tooth functioning for as long as possible[1]. However, treatment failure has been reported to be approximately 15–25 % depending on whether strict or loose criteria are used to...
Therefore, root canal irrigation has an indispensable role in reducing microbes in areas that are inaccessible to instruments2. Enterococcus faecalis is the major pathogen isolated from failed root canals and persistent periapical lesion3,4 and is found in 24%–77% of root–filled teeth with peri...
root canal- the passage in the root of a tooth through which its nerve and blood vessels enter the pulp cavity passageway,passage- a path or channel or duct through or along which something may pass; "the nasal passages" pulp cavity- the central cavity of a tooth containing the pulp (inc...
Theroot canalsin mandibular first premolars failed to be treated; 下颌第一前磨牙的临床根管漏治 3. Root canals were classified according Vertucci′s classification. 目的 确定人上颌第一前磨牙的颊舌向根管弯曲程度和情况。 4) Canal root filler ...