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    政大機構典藏 > 理學院 > 心理學系 > 期刊論文 >  Item 140.119/120077
    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/120077


    Title: Outcomes of necrotic immature open-apex central incisors treated by MTA apexification using poly(ε-caprolactone) fiber mesh as an apical barrier
    Authors: Lee, Li-Wan;Hsiao, Sheng-Huang;Lin, Yun-Ho;Chen, Po-Yu;Lee, Ya-Ling;Hung, Wei-Chiang
    蕭勝煌
    Hsiao, Sheng-Huang
    Contributors: 心理系
    Keywords: Clinical outcome;Apical tooth root formation;Dentinal wall thickness;Apexification;Mineral trioxide aggregate;poly(ε-caprolactone) fiber mesh
    Date: 2018
    Issue Date: 2018-09-13 17:30:39 (UTC+8)
    Abstract: Background/purpose
    Although unset mineral trioxide aggregate (MTA) has some cytotoxicity, MTA is still a biocompatible material suitable for doing apexification. This study assessed the outcomes for 8 necrotic immature open-apex permanent maxillary central incisors treated by MTA apexification using poly(ε-caprolactone) fiber mesh (PCL-FM) as an apical barrier (so-called PCL-FM/MTA apexification) to prevent extrusion of MTA materials into the periapical tissues of open-apex teeth.

    Methods
    Eight necrotic immature open-apex permanent maxillary central incisors with the open apices measuring 2.5 mm–3.5 mm in diameter in 8 patients (6 boys and 2 girls; age range, 8–10 years) were first cleaned using ultrasonic activated irrigation with 2.5% sodium hypochlorite solution and then treated by PCL-FM/MTA apexification procedure.

    Results
    All the 8 permanent maxillary central incisors showed successful outcomes after PCL-FM/MTA apexification procedure. The mean duration for apical hard tissue barrier formation of the 8 incisors was 6.8 ± 0.5 weeks (range 6–7 weeks). The mean increased root length was 1.8 ± 0.7 mm (range 1–3 mm) at 7 weeks and 3.1 ± 0.6 mm (range 2–4 mm) at 3 months. The mean increased dentinal wall thickness at the most apical portion of the root was 1.3 ± 0.5 mm (range 1–2 mm) at 7 weeks and 2.4 ± 0.6 mm (range 1.5–3 mm) at 3 months. None of the teeth treated by PCL-FM/MTA apexification showed tooth discoloration after a follow-up period of 3 months.

    Conclusion
    PCL-FM/MTA apexification is an excellent technique for treatment of necrotic immature open-apex permanent maxillary central incisors.
    Relation: Journal of the Formosan Medical Association
    Data Type: article
    DOI 連結: https://doi.org/10.1016/j.jfma.2018.06.008
    DOI: 1016/j.jfma.2018.06.008
    Appears in Collections:[心理學系] 期刊論文

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