Bangladesh Journal of Dental Research & Education, Vol. 01, No. 01, January 2011, Page 27-29 DOI: http://dx.doi.org/10.3329/bjdre.v1i1.15799

Abstracts:The aim of this in-vivo study was to assess the incidence of four root canals in clinical cases of root-treated mandibular first molars in Bangladeshi population. A clinical study of 135 root canal treated permanent mandibular first molars was conducted. The teeth were examined clinically and radiographically. The results showed that 52.59% of the examined teeth had three root canals (two mesial and one distal), 45.92% had four root canals (two mesial and two distal) and 0.0148% had five root canals (three mesial and two distal). All the teeth had two roots and no three rooted mandibular first molar found. So it can be concluded that the occurrence of three root canals in mandibular first molar is higher but four root canals is also high in Bangladeshi population. Introductions:

Diabetic mellitus is a burning issue in medical ground. If Pulp or periapical pathology develops on diabetic patient, it may need extra attention to manage by root canal treatment. Because very often diabetic patients develop hyperglycemia, leading complex immune response and enhanced virulence of certain microorganism and commonly cause exaggerbration of inter appointment clinical complain like, pain and swelling known as flare-up. The purpose of this study was to clinically examine the development of endodontic flare-up following endodontic intervention in control and in diabetic patient group. In the present study, overall incidence of inter-appointment flare-up in diabetic patients was found to be 19% whereas in non-diabetic group, incidence was 8% that was almost half to the diabetic group. So, this study conclude that root canal treatment can be comfortably done in controlled diabetic patient but need extra care during endodontic treatment if the patient is suffered from uncontrolled diabetes mellitus. Update Dent. Coll. j: 2019; 9 (2): 3-6

:Mandibular molars often have an additional root located lingually (the radix entomolaris) or buccally (the radix paramolaris). If present, an awareness and understanding of this unusual root and its root canal morphology can contribute to the successful outcome of root canal treatment. This report discusses endodontic treatment of a mandibular molar with a radix entomolaris, which is a rare macrostructure. The prevalence, the external morphological variations and internal anatomy of the radix entomolaris are described. Avoiding procedural errors during endodontic therapy demand an adapted clinical approach to diagnosis and successful non-surgical endodontic treatment. Introduction:The prevention or healing of endodontic pathology depends on a thorough chemo mechanical preparation of the root canals before a dense three-dimentional obturation of the canals. An awareness and understanding of the presence of unusual root canal morphology can thus contribute to the successful outcome of root canal treatment.

This paper describes a case of progressive idiopathic external root resorption at cement-enamel junction in multiple teeth of both jaws ongoing for 6 years. In addition to clinical features serial radiographs are presented that revealed progressive involvement of root resorption. Since the first appointment until the next 6 years no clinical, radiographic or laboratory findings were available to disclose the etiology of such extensive ongoing resorption; neither the provided treatments could arrest the progression of the pathology that forced the clinicians to diagnose the case as progressive idiopathic external resorption.Update Dent. Coll. j: 2014; 4 (2): 14-19