Age estimation in an Indian subpopulation by cone-beam computed tomographic analysis of spheno-occipital synchondrosis fusion

Sharma, Anka; Kumbhare, Subhash P; Kalaskar, Ashita; Motghare, Pawan; Gondivkar, Shailesh; Upmanyu, Anirudh

doi:10.1016/j.fsir.2020.100085

Cited by 4 publications

(4 citation statements)

References 17 publications

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“…Their study concluded that all subjects with non-fused SOS were minors (<18 years). Sharma et al (2020) [37] analyzed SOS in coronal and sagittal planes with CBCT in the Indian subpopulation, and its closure was graded in six stages. This study depicted a linear relationship between the closure of SOS and age while observing that males tend to attain each stage later than females, and this sexual dimorphism exists till the age of 16 years; thereafter, 100% population shows complete closure of SOS.…”

Section: Age Estimationmentioning

confidence: 99%

“…Suture closure might be influenced by many factors such as nutritional and health status, exercise, and physical activities of an individual, general growth, allometric growth and development of the bones, and, to some extent, race. Due to the wide variability in the age of closure, as proposed by various researchers, it provides a general pattern at various age levels [37]. Therefore, SOS is considered to be a more reliable tool for age estimation when used in conjunction with other age assessment tools such as third molar mineralization, cervical vertebrae maturation, etc.…”

Section: Age Estimationmentioning

confidence: 99%

“…Therefore, SOS is considered to be a more reliable tool for age estimation when used in conjunction with other age assessment tools such as third molar mineralization, cervical vertebrae maturation, etc. [37].…”

Section: Age Estimationmentioning

confidence: 99%

“…The anatomical position of the mastoid region at the base of the skull makes it resistant to injury, and therefore, it remains intact even if the skull is fractured; this makes the mastoid region an area of interest for macroscopic identification of sex [56]. There are anatomical differences in the mastoid process among males and females; for example, the tip of the mastoid process is vertical in males and faces inward in females, and males have larger mastoid measurements than females [37,56]. Amin et al (2015) [57] conducted a study on 192 CBCT skull images to examine the size, surface area, flare, and medial convergence angle of the mastoid process and observed that these features of the mastoid process can correctly identify the sex in 90.6% of the subjects.…”

Section: (D) Mastoid Processmentioning

confidence: 99%

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Cone-Beam Computed Tomography: A New Tool on the Horizon for Forensic Dentistry

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Teeth and bones of calvarium are important structures from a forensic point of view, as they are extremely resilient to destruction or decomposition, even under temperature variations. Radiology is inevitably an important tool in forensic investigations. Maxillofacial radiology provides a considerable amount of information for the identification of remains and evidence in case of legal matters. The advent of cone-beam computed tomography (CBCT) in the arena of maxillofacial 3D imaging has contributed immensely to forensic science such as the age estimation through teeth, analysis of bite marks, determination of race and sex, etc. The advantages of accuracy in imaging the anatomy, digitized technology favoring easier comparison of records and storage of records for a longer period, cost reduction, dose reduction, and easier portability have made it an unavoidable adjunct in forensic investigations. The aim of this paper is to review and highlight the importance of CBCT in successful forensic identification and analysis. This review is written to address the various aspects of CBCT as a recently developed technology that may be very useful in some forensic contexts, based on searches for current studies in the literature using PubMed, Scopus, Web of Science, and Google Scholar databases, to identify studies published since inception to December 2021, with no language restriction. In conclusion, CBCT is an accessible 3D imaging technology with many applications, one of them being in forensic sciences.

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Section: Age Estimationmentioning

confidence: 99%

Section: Age Estimationmentioning

confidence: 99%

Section: Age Estimationmentioning

confidence: 99%

Section: (D) Mastoid Processmentioning

confidence: 99%

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Analysis of fusion of sphenooccipital synchondrosis using computed tomography in Turkish population

Candan

Saygın

Emlik

et al. 2022

Australian Journal of Forensic Sciences

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Age estimation by spheno-occipital synchondrosis fusion in South Indian population using computed tomography

Nayak

Panakkal

Visakh

2023

Egypt J Forensic Sci

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Background Age estimation has paramount importance for the forensic practitioner. Depending on the timing of fusion, the spheno-occipital synchondrosis will be open during childhood and then later fuse during adulthood. Since there have been a lot of inconsistencies in terms of fusion degree, that can be attributed to variability in population or methodology. The aim of the present study was to determine the age of beginning of the spheno-occipital synchondrosis in the South Indian population using computed tomography. Results The study reported a mean age of 8.38 ± 1.21 for males and 8.2 ± 1.16 for females in the stage 0 (completely open) category. Spheno-occipital synchondrosis began to fuse (stage 1) at the mean age of 11.64 ± 1.19 for males and 10.21 ± 1.19 for females. Conclusions Spheno-occipital synchondrosis begins to close at the age of less than 15 years in males. Similarly, for females, the spheno-occipital synchondrosis begins to close at the age of less than 14 years. Also, a strong sexual dimorphism is seen as each stage of synchondrosis and starts earlier in females compared to males. In addition, the study also showed the degree of fusion increasing with age. This estimation will not only help in forensic and anthropological studies but also in assessing craniofacial growth in orthodontics.

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Age estimation in an Indian subpopulation by cone-beam computed tomographic analysis of spheno-occipital synchondrosis fusion

Cited by 4 publications

References 17 publications

Cone-Beam Computed Tomography: A New Tool on the Horizon for Forensic Dentistry

Cone-Beam Computed Tomography: A New Tool on the Horizon for Forensic Dentistry

Analysis of fusion of sphenooccipital synchondrosis using computed tomography in Turkish population

Age estimation by spheno-occipital synchondrosis fusion in South Indian population using computed tomography

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