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Three-dimensional micromorphology of human midpalatal suture and pterygomaxillary articular complex

Authors
 Amanda Cunha Regal de Castro  ;  Harim Kim  ;  Hee Jin Cho  ;  Lincoln Issamu Nojima  ;  Matilde da Cunha Gonçalves Nojima  ;  Hee-Jin Kim  ;  Kyung-Seok Hu  ;  Kee-Joon Lee 
Citation
 JOURNAL OF THE WORLD FEDERATION OF ORTHODONTISTS, Vol.12(4) : 141-149, 2023-08 
Journal Title
JOURNAL OF THE WORLD FEDERATION OF ORTHODONTISTS
Issue Date
2023-08
MeSH
Aged ; Aged, 80 and over ; Cranial Sutures* / diagnostic imaging ; Female ; Humans ; Male ; Maxilla* / diagnostic imaging ; Neurosurgical Procedures ; Sutures ; X-Ray Microtomography
Keywords
Circummaxillary sutures ; Interdigitation ; Micromorphology ; Midpalatal suture ; Obliteration ; Pterygomaxillary suture
Abstract
Background: Sutures exist in the craniofacial area, and the pattern of maturation and synostosis of facial sutures is largely unknown.

Methods: For a comprehensive understanding of the three-dimensional circummaxillary suture micromorphology, human midpalatal suture (MPS) and pterygomaxillary articular complex from eight subjects' (five males, three females, 72-88 years old) autopsies were longitudinally scanned with microcomputed tomography. Additional histology was performed for hematoxylin and eosin staining. Sutural micromorphology was assessed by interdigitation index (II), obliteration index (OI) and obliteration number. Intergroup comparisons were performed with Kruskal-Wallis and Mann-Whitney U with Bonferroni correction (α = 0.005). Correlation with anteroposterior and craniocaudal gradients was assessed with Spearman's correlation test (α = 0.05).

Results: Maxillary region of MPS presented a higher II 1.50 (0.61) and obliteration number per slice 8 (9) (P < 0.005). OI was increased in palatomaxillary 35% (47%) followed by pterygopalatine suture 25% (49%) (P < 0.005). The II and OI of the MPS exhibited only a weak anteroposterior gradient, with relatively low correlations. Obliteration areas were found sporadically along the entire MPS.

Conclusions: Based on these findings, it is conceivable that the success of nonsurgical maxillary expansion largely depends on individual variations in sutural morphology and maturation rather than appliance design.
Full Text
https://www.sciencedirect.com/science/article/pii/S2212443823000528
DOI
10.1016/j.ejwf.2023.05.007
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Harim(김하림) ORCID logo https://orcid.org/0000-0002-0949-0363
Kim, Hee Jin(김희진) ORCID logo https://orcid.org/0000-0002-1139-6261
Lee, Kee Joon(이기준) ORCID logo https://orcid.org/0000-0002-0782-3128
Hu, Kyung Seok(허경석) ORCID logo https://orcid.org/0000-0002-9048-3805
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/197506
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