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Anwar Jabour Dissertaion.pdf (2.94 MB)

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ASSESSMENT OF SPHENO-OCCIPITAL SYNCHONDROSIS FUSION TIMING AND AN EVALUATION OF ITS RELATIONSHIP WITH SKELETAL MATURITY, DENTAL MATURITY AND MANDIBULAR GROWTH

Jabour, Anwar Shawqi Alhazmi
http://rave.ohiolink.edu/etdc/view?acc_num=case1492129080263492

Abstract Details

2017, Doctor of Philosophy, Case Western Reserve University, Biology.
The spheno-occipital synchondrosis (SOS) is a cartilaginous growth center between the occipital and sphenoid bones. The chronological age of SOS fusion is believed to occur during adolescence, but the physiological changes in facial and mandibular ontogeny that occur during SOS fusion remains unknown. In my studies, I show sexual dimorphism in SOS fusion age with female subjects always ahead of male subjects in each SOS fusion stage. The SOS fusion rate in females is faster than males and the duration of SOS fusion was shorter in females than males. This research demonstrates a significant positive relationship between hand-wrist skeletal maturity and SOS fusion stages in both genders. Moreover, this study has shown that the maximum amount of mandibular growth occurred while the SOS was still fusing; and the minimum amount of mandibular growth occurred when SOS is already fused. As the orthodontic treatment is influenced by the amount of remaining mandibular and facial growth, this data shows that SOS fusion stages could be used as a biological indicator and help in craniofacial skeletal maturity assessment.
Scott Simpson, PhD (Advisor)
94 p.
Dentistry; Developmental Biology; Physical Anthropology
Craniofacial growth; spheno-occipital synchondrosis; age estimation; dental maturity; skeletal maturity; hand-wrist radiographs; facial growth; mandibular growth; maturational indices

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Citations

  • Jabour, A. S. A. (2017). ASSESSMENT OF SPHENO-OCCIPITAL SYNCHONDROSIS FUSION TIMING AND AN EVALUATION OF ITS RELATIONSHIP WITH SKELETAL MATURITY, DENTAL MATURITY AND MANDIBULAR GROWTH [Doctoral dissertation, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1492129080263492

    APA Style (7th edition)

  • Jabour, Anwar. ASSESSMENT OF SPHENO-OCCIPITAL SYNCHONDROSIS FUSION TIMING AND AN EVALUATION OF ITS RELATIONSHIP WITH SKELETAL MATURITY, DENTAL MATURITY AND MANDIBULAR GROWTH. 2017. Case Western Reserve University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=case1492129080263492.

    MLA Style (8th edition)

  • Jabour, Anwar. "ASSESSMENT OF SPHENO-OCCIPITAL SYNCHONDROSIS FUSION TIMING AND AN EVALUATION OF ITS RELATIONSHIP WITH SKELETAL MATURITY, DENTAL MATURITY AND MANDIBULAR GROWTH." Doctoral dissertation, Case Western Reserve University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1492129080263492

    Chicago Manual of Style (17th edition)

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© 2017, some rights reserved.Creative Commons License ASSESSMENT OF SPHENO-OCCIPITAL SYNCHONDROSIS FUSION TIMING AND AN EVALUATION OF ITS RELATIONSHIP WITH SKELETAL MATURITY, DENTAL MATURITY AND MANDIBULAR GROWTH by Anwar Shawqi Alhazmi Jabour is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. Based on a work at etd.ohiolink.edu.
This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.