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2015 ; 9
(ä): 267-72
Nephropedia Template TP
gab.com Text
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English Wikipedia
Evaluation of the Root and Canal Morphology of Maxillary Permanent Molars and the
Incidence of the Second Mesiobuccal Root Canal in Greek Population Using
Cone-beam Computed Tomography
#MMPMID26464594
Nikoloudaki GE
; Kontogiannis TG
; Kerezoudis NP
Open Dent J
2015[]; 9
(ä): 267-72
PMID26464594
show ga
OBJECTIVES: Cone-Beam Computed Tomography is an alternative imaging technique
which has been recently introduced in the field of Oral & Maxillofacial
Radiology. It has rapidly gained great popularity among clinicians due to its
ability to detect lesions and defects of the orofacial region and provide
three-dimensional information about them. In the field of Endodontics, CBCT can
be a useful tool to reveal tooth morphology irregularities, additional root
canals and vertical root fractures. The objective of this study is to evaluate
the root and root canal morphology of the maxillary permanent molars in Greek
population using Cone-Beam Computed Tomography. MATERIALS AND METHODS: 273
cone-beam computed tomography (CBCT) images were examined. The number of roots
and root canals of the first and second maxillary molars were evaluated. Root
canal configuration was classified according to Weine's classification by two
independent examiners and statistical analysis was performed. RESULTS: A total of
812 molars (410 first and 402 second ones) were evaluated. The vast majority of
both first and second molars had three roots (89.26% and 85.07%, respectively).
Most first molars had four canals, while most second molars had three. In the
mesiobuccal roots, one foramen was recorded in 80.91% of all teeth. Other rare
morphologic variations were also found, such as fusion of a maxillary second
molar with a supernumerary tooth. CONCLUSION: Within the limitations of this
study, it can be concluded that more attention should be given to the detection
of additional canals during root canal treatment in maxillary permanent molars.
Towards this effort, CBCT can provide the clinician with supplemental information
about the different root canal configurations for successful Root Canal
Treatment.