Analysis of the root canal configuration and C-shaped.

The aim is to review and discuss the etiology, incidence, anatomic features, classification, diagnosis and management of the C-shaped canal configuration. C-shaped canal configuration is a variation that has a racial predilection and is commonly seen in mandibular second molars.

C-shaped canals have a poor prognosis in terms of debridement, obturation, and restoration. The aim of this study was to investigate the root canal configuration of mandibular second molar teeth and to determine the frequency of C-shaped canals in mandibular second molars.


C-shaped Root Canals Classification Essay

C-shaped canals are mostly found in mandibular second molars (l). Their main anatomical feature is the presence of a fin con- necting root canals (2) (Fig. 1). A C-shaped canal appears when fusion either on the buccal or lingual aspect of the tooth between distal and mesial roots occurs.

C-shaped Root Canals Classification Essay

The main anatomic feature of C-shaped canals is the presence of a fin or web connecting the individual root canals. Roots containing a C-shaped canal often have a conical or square configuration (2, 3, 11).

C-shaped Root Canals Classification Essay

The C-shaped root canal configuration is one of the aberrant morphology of molar teeth, commonly the mandibular second molar. In this configuration, the canals are connected by slit or web. The presence of fin, slit and web makes through debridement obstacle for the clinician.

 

C-shaped Root Canals Classification Essay

Root canal can be started different ways depending on the problem. There can be three situations when a root canal is needed and can be done according to the problem. A tooth could be injured, but without a filling. The pulp (the area around the top of the root), and the root died, over the years abscess on the apex (the very bottom of the root.

C-shaped Root Canals Classification Essay

C-shaped canals are generally seen in mandibular second molars that appear to have a single, large root. In this type of configuration, the floor of the chamber is lower than normal. The access penetration is quite deep. You will also notice - if the tooth is vital - a large amount of bleeding.

C-shaped Root Canals Classification Essay

C-shaped canal is a seldom found root canal mor-phology. Studies report the frequency between 2.7 and 8%. 3. Variations of root canal anatomy between races is reported in many studies. 4-6. Investigations on the prevalence of C-shaped canal configuration show that C-shaped canals are more frequently seen in Asians than in other races. 5,7,8.

C-shaped Root Canals Classification Essay

The purpose of this study was to analyze various characteristics and classification of C-shaped root canals and evaluate the causes of endodontic failure of C-shaped root canals by examining the resected root surface with an endodontic microscope and a scanning electron microscope (SEM). Forty-two teeth with C-shaped root canals were included in this study and had undergone intentional.

 

C-shaped Root Canals Classification Essay

C-shaped canal configuration is a variation that has a racial predilection and is commonly seen in mandibular second molars. The intricacies present in this variation of canal morphology can pose a.

C-shaped Root Canals Classification Essay

Type V: The Root canal is single is a single entity extending till the Apex of the Root but dividing into two separate canals right before the Apical foramen. Type VI: Root Canals Start as two canals from the pulp chamber and join at the middle of the Root to form one and extend till the Apex and again divide into two canals just short of the Apical foramen.

C-shaped Root Canals Classification Essay

One of the most common causes of failure is an intricate root anatomy that has not been effectively cleaned or shaped such that microbial flora remains in the apical sections of the root canals. Failure in totally removing the previous obturation can make proper disinfection difficult by restricting the access of antimicrobial agents to certain areas of the root canal system.

C-shaped Root Canals Classification Essay

Radiographically, a tooth with a C-shaped canal system always has a fused root with a longitudinal groove in the middle of the root. Orifice Classification. C-shaped orifice anatomy might vary from tooth to tooth. Melton et al. classified the C-shaped canals into three types, i.e. continuous C-shape, semicolon C-shape, and separated canals.

 


Analysis of the root canal configuration and C-shaped.

The definition of the C-shaped root canal system is that the morphology of its horizontal cross section is in the form of a C, with canals which may or may not be separate. 21 It occurs mainly in mandibular second molars, but has also been reported in maxillary first molars, first.

The C-shaped canals are not always to be continued from the entrance orifice of the root canal to the apical foramen with this “C”. Usually, a tooth is defined as exhibiting a C-shaped canal system when its cross-section presents a C -shaped root. The C-shaped canals have a high possibility of being divided into two or three canals (13).

The first classification of the C-shaped root canals was done by Melton and co-authors in 1991 (6). Later based on it, Fan (3) made an anatomic classification: 1. Category I (C1) - continuous C-shaped root canal from the orifice to the apex of the root; 2. Category II (C2) -one main root canal and a smaller one; 3.

Fig.2 Classification of the root canal shape on cross-sections. Table 2 Type of the C-shaped root canal morphology at different levels. The numbers of root canals at the four levels are shown in Table 3. We listed the number of root canals in order from levelA to levelD. One root canalwas seen at levelA in more.

Methodology Three-dimensional CBCT images of 92 Korean mandibular second molars having C-shaped root canals were analysed to determine their configuration using a modification of Melton's classification, as well as the thinnest walls and their location. Associations between configuration type and distance from the canal orifice to the apex, as well as associations between the directional.

The definition of the C-shaped root canal system is that the morphology of its horizontal cross section is in the form of a C, with canals which may or may not be separate (2). It occurs mainly in mandibular second molars, but has also been reported in maxillary first molars, first and third mandibular molars, and in mandibular lower pre-molars (3-4). Molars with C-shaped root canal systems.

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