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Research Article
Healing outcomes of root canal treatment for C-shaped mandibular second molars: a retrospective analysis
Hye-Ra Ahn, Young-Mi Moon, Sung-Ok Hong, Min-Seock Seo
Restor Dent Endod 2016;41(4):262-270.   Published online August 29, 2016
DOI: https://doi.org/10.5395/rde.2016.41.4.262
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to evaluate the healing rate of non-surgical endodontic treatment between C-shaped and non-C-shaped mandibular second molars.

Materials and Methods

Clinical records and radiological images of patients who had undergone endodontic treatment on mandibular second molars between 2007 and 2014 were screened. The periapical index scoring system was applied to compare healing outcomes. Information about preoperative and postoperative factors as well as the demographic data of the patients was acquired and evaluated using chi-square and multinomial logistic regression tests.

Results

The total healing rate was 68.4%. Healing rates for the mandibular second molar were 70.9% in C-shaped canals (n = 79) and 66.6% in non-C-shaped ones (n = 117). The difference was not statistically significant.

Conclusions

The presence of a C-shaped canal in the mandibular second molar did not have a significantly negative effect on healing after treatment. Instead, proper pulpal diagnosis and final restoration were indicated as having significantly greater influence on the healing outcomes of C-shaped and non-C-shaped canals, respectively.

Citations

Citations to this article as recorded by  
  • Predicting early endodontic treatment failure following primary root canal treatment
    Young-Eun Jang, Yemi Kim, Sin-Young Kim, Bom Sahn Kim
    BMC Oral Health.2024;[Epub]     CrossRef
  • Factors Influencing Non-Surgical Root Canal Treatment Outcomes in Mandibular Second Molars: A Retrospective Cone-Beam Computed Tomography Analysis
    Da-Min Park, Woo-Hyun Seok, Ji-Young Yoon
    Journal of Clinical Medicine.2024; 13(10): 2931.     CrossRef
  • Retrospective Assessment of Healing Outcome of Endodontic Treatment for Mandibular Molars with C-shaped Root Canal
    Kishore Kumar Majety, Basanta Kumar Choudhury, Anika Bansal, Achla Sethi, Jaina Panjabi
    The Journal of Contemporary Dental Practice.2017; 18(7): 591.     CrossRef
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