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CBCT-based bone quality assessment in decompression of large odontogenic cystic lesions

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Abstract

Objectives

Bone quality comprises bone mineral density and trabecular microstructure. The aim of this study was to explore the effectiveness of cone-beam computed tomography (CBCT) in evaluating bone quality of large odontogenic cystic lesions after decompression using CBCT and BoneJ software, and to determine whether secondary definitive surgery can be guided using CBCT data.

Methods

Twenty-seven patients with large odontogenic cystic lesions treated by decompression were evaluated by CBCT. Medical history and perioperative details were analyzed.

Results

The \(\Delta\)CT values for all patients with cystic lesions decreased after decompression, with no differences for age, sex, and histology (p > 0.05). Bone volume fraction and trabecular number of new cancellous bone (0.012%, 0.17/mm3) were lower than those of normal cancellous bone (0.189%, 0.47/mm3) (p < 0.05), while new cancellous bone trabecular separation (11.344 ± 2.556 mm) was stronger than normal cancellous bone trabecular separation (4.833 ± 2.232 mm) (p < 0.05). There were no differences in trabecular thickness between new cancellous bone (3.812 ± 1.593 mm) and normal cancellous bone (4.598 ± 3.573 mm) (p = 0.746). The \(\Delta\)CT values of five patients with favorable osteogenesis were − 72, −86, − 86, −47, and − 55, those of three patients with moderate osteogenesis were − 107, −120, and − 71, and those of two patients with poor osteogenesis were − 165 and − 127 during secondary definitive surgery.

Conclusions

CBCT is considered beneficial for evaluating bone quality of large odontogenic cystic lesions after decompression, while providing potentially useful information for referral to secondary definitive surgery.

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Author notes

  1. Ling Gao, Wenhao Ren, and Shaoming Li contributed equally to this work.

Authors and Affiliations

  1. Department of Oral Maxillofacial Surgery, Key Laboratory of Oral Clinical Medicine, The Affiliated Hospital of Qingdao University, No. 1677, Wutaishan Road, Huangdao District, Qingdao, 266555, Shandong, China

    Ling Gao, Wenhao Ren, Shaoming Li, Lingfa Xue, Yaoxiang Xu, Qibo Wang, Jianzhong Song, Zhichao Dou, Minzhan Zhou, Wenlin Xiao & Keqian Zhi

  2. Department of Implantology, The Affiliated Hospital of Qingdao University, Qingdao, 266555, Shandong, China

    Ling Gao, Wenhao Ren & Keqian Zhi

  3. Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, 266555, Shandong, China

    Jingjing Zheng

  4. Department of Oral Maxillofacial Surgery, Stomatological Hospital, College of Medicine, Xi’an Jiaotong University, Xi’an, 710004, Shaanxi, China

    Ling Gao, Wenhao Ren, Jingjing Zheng & Keqian Zhi

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  1. Ling Gao
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  2. Wenhao Ren
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  3. Shaoming Li
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  10. Minzhan Zhou
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Corresponding authors

Correspondence to Ling Gao or Keqian Zhi.

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Conflict of interest

Ling Gao, Wenhao Ren, Shaoming Li, Jingjing Zheng, Lingfa Xue, Yaoxiang Xu, Qibo Wang, Jianzhong Song, Zhichao Dou, Minzhan Zhou, Wenlin Xiao, and Keqian Zhi declare that they have no conflict of interest.

Human rights statement

All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation and with the Helsinki Declaration of 1964 and later versions.

Informed consent

Informed consent was obtained from all patients for being included in the study.

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Gao, L., Ren, W., Li, S. et al. CBCT-based bone quality assessment in decompression of large odontogenic cystic lesions. Oral Radiol 34, 251–256 (2018). https://doi.org/10.1007/s11282-018-0320-5

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  • DOI: https://doi.org/10.1007/s11282-018-0320-5

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