Microcomputed tomography: An advanced system for detailed endodontic research

R, Nielsen; Alyassin, Abdalmajeid M.; Peters, Donald D.; Carnes, David L.; Lancaster, Jack L.

doi:10.1016/s0099-2399(06)80986-6

Cited by 212 publications

(219 citation statements)

References 12 publications

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“…µCT has proven to be a relevant method (4,13,14,20) when compared with others such as root sectioning (1), microscopic examination (18) and even canal staining with tooth clearing (2) and is, in the mean time, considered to be the reference standard for laboratory morphological studies of the root canal system (4). The µCT method is a non-invasive; thus, non-destructive method which allows an accurate morphological analysis of the root canal number and configurations (21).…”

Section: Discussionmentioning

confidence: 99%

Root Canal Morphology and Configuration of 179 Maxillary First Molars by Means of Micro–computed Tomography: An Ex Vivo Study

Briseño-Marroquín

Paqué

Maier

et al. 2015

Journal of Endodontics

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INTRODUCTION The objective of this study was to propose a root canal configuration description method and to investigate the root canal system morphology of the maxillary first molar by means of micro-computed tomographic imaging. METHODS The root canal configuration, foramina, and accessory canal frequency of 179 maxillary first molars were investigated by means of micro-computed tomographic imaging and 3-dimensional software imaging. The root canal configuration and main foramina number are described from coronal to apical with a 4-digit system. RESULTS The most frequent root canal configurations were 1-1-1/1 (45.8%), 2-2-2/2 (25.1%) and 2-2-1/1 (10.1%) in mesiobuccal roots and 1-1-1/1 in distobuccal (97.2%) and palatal (98.9%) roots. The first mesiobuccal (MB1) root canal had 1 accessory canal in 26.3% of the teeth, the distobuccal root canal had 12.3%, and the palatal root canal had 9.5%; in the second mesiobuccal root canal, there was rarely 1 accessory canal. There was 1 accessory canal in 26.3%, 12.3%, and 9.5% in the MB1, distobuccal, and palatal root canals, respectively. The MB1, distobuccal, and palatal root canals had 1 main foramen. The MB2 had 1 main foramen in 39.0% of the teeth and no main foramen in 61.0%. CONCLUSIONS The root canal configuration of maxillary first molars is quite diversified. Contrary to our expectations in this research, the mesiobuccal root has predominantly 1 root canal entrance and only 1 main foramen. Anatomic variations including connecting and accessory canals occur in any third of root.

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Section: Discussionmentioning

confidence: 99%

Root Canal Morphology and Configuration of 179 Maxillary First Molars by Means of Micro–computed Tomography: An Ex Vivo Study

Briseño-Marroquín

Paqué

Maier

et al. 2015

Journal of Endodontics

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“…CT is a nondestructive method, which allows for observation and analysis from any angle. 11 Hence in our study we used spiral computed tomography for evaluating pulp chamber. In our study, the mean distance between the central fissure to furcation was found to be 6.93 mm in first primary mandibular molars, 7.26 mm in second primary mandibular molars.…”

Section: Discussionmentioning

confidence: 99%

Study of Pulp Chamber Morphology of Primary Mandibular Molars using Spiral Computed Tomography

Selvakumar¹,

Swaminathan²,

Vijayakumar³

et al. 2014

The Journal of Contemporary Dental Practice

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Aim: The purpose of this study was to evaluate the pulp chamber morphology in primary mandibular molars using spiral computed tomography (SCT). Materials and methods:Sixty extracted primary mandibular molars were scanned using SCT for the (i) distance between the central fissure to furcation, (ii) distance between the central fissure to the floor of the pulp chamber, (iii) height of the pulp chamber (roof-floor), (iv) distance between the floor of the pulp chamber to the furcation. The mean and standard deviation was analyzed using statistical package for the social sciences (SPSS) program. Results:The results of this study show that the average mean distance from the central fissure to the floor of the pulp chamber is 5.07 mm in first mandibular primary molar and 5.54 mm in second mandibular primary molar. Conclusion:It can be concluded that the greatest depth to which a bur can go during access opening without perforating the furcation in first primary mandibular molar is 5.07 mm and 5.54 mm in second primary mandibular molar.

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“…Studies using the micro-CT have started to be used in many fields of clinical dentistry. [13][14][15][16][17][18][19][20][21][22] It is thought to be especially useful in studying the morphology of pulp cavity which can not be directly observed by the naked eye. Two-dimensional image obtained from the micro-CT distinguishes the difference in level of calcification as difference in X-ray translucency.…”

Section: Discussionmentioning

confidence: 99%

Three-dimensional analysis of pulp chambers in maxillary second deciduous molars

Amano

Agematsu

Abe

et al. 2006

Journal of Dentistry

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Objective. The purpose of this study was to clarify the positional relationship between the crown contour and the pulp chamber using micro-CT system for restorations of maxillary second deciduous molar.Methods. Five maxillary second deciduous molar teeth each from the deciduous dentition and the mixed dentition periods were used. The positional relationship between the crown contour and pulp cha mber was 3-dimensionally observed by micro-CT. In addition, the thickness of the dentin at each of the pulp horns and the volume ratio of the pulp chamber against the whole crown were measured.Results. In relationship to the crown contour and the pulp cha mber, the pulp horn of the mesiobuccal cusp showed greatest protrusion and eminent swelling of its mesial wall in both the deciduous dentition and the mixed dentition periods. Furthermore, the pulp chamber was shifted to the mesial side. The volume ratio of the pulp chamber to the whole crown, the ratio in the mixed dentition period showed to be significantly smaller than in the deciduous dentition period. The dentin thickness at the mesiobuccal pulp horn was the thinest.Conclusions. These results suggest that in preparation of cavities in maxillary second deciduous molars, care is necessary not to expose of the mesiobuccal pulp horn.Especially, the mesial wall of the mesiobuccal pulp horn should be noted.3

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Microcomputed tomography: An advanced system for detailed endodontic research

Cited by 212 publications

References 12 publications

Root Canal Morphology and Configuration of 179 Maxillary First Molars by Means of Micro–computed Tomography: An Ex Vivo Study

Root Canal Morphology and Configuration of 179 Maxillary First Molars by Means of Micro–computed Tomography: An Ex Vivo Study

Study of Pulp Chamber Morphology of Primary Mandibular Molars using Spiral Computed Tomography

Three-dimensional analysis of pulp chambers in maxillary second deciduous molars

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