Evidence map›Paper›PMID 32970168›Full record

ArticleSurgical and radiologic anatomy : SRA2021

CBCT study on the positional relationship between marginal points of pterygomaxillary junction and anterior nasal spine.

Xin Chen, Jiadong Zhu, Songsong Guo, Yong Hu, Hongbing Jiang

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Article in Surgical and radiologic anatomy : SRA, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

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1 citing paper in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Xin Chen *Department of Oral and Maxillofacial Surgery, Affiliated Stomatological Hospital of Nanjing Medical University, No. 136, Hanzhong Road, Nanjing, 210029, Jiangsu, China.
Jiadong Zhu *Department of Stomatology, Affiliated Suzhou Science and Technology Town Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, China.
Songsong GuoDepartment of Oral and Maxillofacial Surgery, Affiliated Stomatological Hospital of Nanjing Medical University, No. 136, Hanzhong Road, Nanjing, 210029, Jiangsu, China.
Yong HuDepartment of Stomatology, Affiliated Suzhou Science and Technology Town Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, China.
Hongbing JiangDepartment of Oral and Maxillofacial Surgery, Affiliated Stomatological Hospital of Nanjing Medical University, No. 136, Hanzhong Road, Nanjing, 210029, Jiangsu, China. jhb@njmu.edu.cn.

Funding

Jiangsu Provincial Key Research and Development Program BE2017732the Priority Academic Program Development of Jiangsu Higher Education Institutions PAPD , 2018-87
6 · The paper itself

Abstract

purposeThis study aimed to locate the inferior end (Pti) and the superior end (Pts) of pterygomaxillary junction (PMJ) relative to anterior nasal spine (ANS) so as to provide references for pterygomaxillary separation.

methodsThe study was based on CBCT images of 109 Chinese patients. We projected Pti and Pts to the frontal plane and measured the distance as well as the positional relationship between the projection points and ANS via three-dimensional reconstruction image.

resultsOn average, the ANS was 5.18 mm above the Pti and the horizontal distance between the Pti and ANS was 21.86 mm. The horizontal and vertical distances between Pts and ANS was 20.41 mm and 10.91 mm, respectively. The vertical height of PMJ was 16.09 mm. Scatter plots diagrammatic centered on ANS showed that 73% (160/218) Pti and 64% (140/218) Pts appeared in a 45° fan shape ranged from 20 to 25 mm radius in bilateral inferior and superior quadrant, respectively. There was no significant difference in the distance between both sides (P > 0.05).

conclusionDuring the pterygomaxillary disjunction, it exists a risk of injuring neurovascular bundle of the pterygopalatine fossa 16.09 mm above the lowest border of the pterygomaxillary junction. The region within a 45° fan shape ranged in 20-25 mm radius in inferior quadrant centered on ANS might be suitable for the osteotome position. The positional relationship especially between the ANS and Pti found in this study provides a reference for surgeons during pterygomaxillary disjunction.

Indexed as

AdultFemaleHumansImaging, Three-DimensionalMaleMaxillaOsteotomy, Le FortPterygopalatine FossaSphenoid BoneSpiral Cone-Beam Computed TomographyYoung AdultCone-beam computed tomographyLe FortMaxillary boneOsteotomy

Identifiers

PMID32970168

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.