Root canal morphology of primary maxillary second molars: a micro-computed tomography analysis

被引:11
|
作者
Mohd Ariffin, S. [1 ,5 ]
Dalzell, O. [1 ]
Hardiman, R. [2 ]
Manton, D. J. [1 ,4 ]
Parashos, P. [3 ]
Rajan, S. [1 ]
机构
[1] Univ Melbourne, Growth & Dev, Melbourne Dent Sch, Carlton, Vic, Australia
[2] Univ Melbourne, Oral Anat Med & Surg, Melbourne Dent Sch, Carlton, Vic, Australia
[3] Univ Melbourne, Melbourne Dent Sch, Restorat Dent, Carlton, Vic, Australia
[4] Univ Med Ctr Groningen, Ctr Tandheelkunde & Mondzorgkunde, Groningen, Netherlands
[5] Hosp Tengku Ampuan Afzan, Dept Paediat Dent, Kuantan, Pahang, Malaysia
关键词
Primary teeth; X-ray micro-computed tomography; Root canal; Anatomy; Endodontics; TOOTH;
D O I
10.1007/s40368-020-00515-z
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Aim Successful endodontic treatment of primary teeth requires comprehensive knowledge and understanding of root canal morphology. The purpose of this study was to investigate the root canal configurations of primary maxillary second molars using micro-computed tomography. Methods Extracted human primary maxillary second molars (n = 57) were scanned using micro-computed tomography and reconstructed to produce three-dimensional models. Each root canal system was analysed qualitatively according to Vertucci's classification. Results 22.8% (n = 13) of the sample presented with the fusion of the disto-buccal and palatal roots; of these, Type V was the most prevalent classification. For teeth with three separate roots (n = 44), the most common root canal type was Type 1 for the palatal canal (100%) and disto-buccal canal (77.3%) and Type V for the mesio-buccal canal (36.4%). Overall, 7% (n = 4) of mesio-buccal canals were 'unclassifiable'. Conclusion The root canal systems of primary maxillary second molars were not only complex but had a range of configurations that may contribute to unfavourable clinical outcomes after endodontic treatment.
引用
收藏
页码:519 / 525
页数:7
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