A Retrospective CBCT Study of the Relationship between Mandibular Symphysis Bone Density and Mandibular Growth Direction

Chae, Jong Moon; Gousman, Jay; Seo, Jung Won; Bay, R. Curtis; Jue, Seong Suk; Park, Jae Hyun

doi:10.17796/1053-4625-44.5.11

Cited by 3 publications

(3 citation statements)

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“…This BD result was verified by Mense et al 16 and Park et al, 32 who reported the cortical density range of the mandible in the alveolar bone as being around 700 to 1500 HU. Chae et al 33 in 2020, also revealed close values when they examined the BD of mandibular symphysis among young people (10–20 years old) of both gender. This suggests that bone density is preserved with age and after the loss of teeth.…”

Section: Discussionmentioning

confidence: 82%

CBCT Analysis of Edentulous Mandibular Symphysis in Iraqi Patients for Treatment with Implant-Supported Overdentures. Cross-Sectional Single-Center Study

Hassan¹,

Al-Jaboori²,

Al‐Radha³

et al. 2023

CCIDE

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Background Overdentures supported by dental implants are a useful treatment strategy for patients with edentulous mandibles. The aim of this study was to evaluate certain characteristics of the mandibular symphyseal edentulous cases for dental implant treatment using CBCT; and if it is associated with gender differences. Methods Ninety patients (45 females and 45 males) were included in this investigation. A section along the midline of each CBCT image was chosen for the edentulous symphyseal area. Symphysis height, width, and cortical thickness was measured for each patient. Bone density were calculated at four points A two-sample Student’s t -test and Pearson correlation were used for statistical analysis. Results Males had a considerably greater symphysis height (26.66±6.21 mm) than females (24.07±5.00 mm) (p = 0.02). Similar results were found for bone width; males had greater means than females. In case of cortical bone thickness; males had thicker bone cortex in the buccal region than females (p = 0.01). While the difference in bone density between genders was small. However, a positive relationship was recorded between symphysis height and width. Conclusion Height and width of the mandibular symphysis were influenced by gender in edentulous patients, with men showing higher measurements. The reduction of symphyseal height decreased concurrently with the width after teeth were lost, while bone density was maintained in both genders with no difference between them. The lingual cortical bone is significantly thicker than the buccal cortex at the lower part of the symphysis.

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Section: Discussionmentioning

confidence: 82%

CBCT Analysis of Edentulous Mandibular Symphysis in Iraqi Patients for Treatment with Implant-Supported Overdentures. Cross-Sectional Single-Center Study

Hassan¹,

Al-Jaboori²,

Al‐Radha³

et al. 2023

CCIDE

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“…Meanwhile for the posterior growth direction with a hyperdivergent facial pattern, it has a long symphysis height, small width, large ratio, small symphysial angle, and narrow chin 16 . Mandibular growth can help diagnose orthodontics and treatment plans such as treatment duration, tool selection, extraction sequence and extraction needs 17 .…”

Section: Discussionmentioning

confidence: 99%

Mandibular symphysis height based on gender in cephalometric radiographs

Wahjuni¹,

Mulyani²,

Chumairo³

2023

World J. Adv. Res. Rev.

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Cephalometric radiography is an examination method that often used in orthodontic treatment to make a diagnosis which includes the relationship of teeth to jaw, assessment of skeletal relationships, assessment of dental relationships and functional analysis. This study aims to determine the height of the mandibular symphysis through cephalometric radiographic based on gender. This study aims to determine the height of the mandibular symphysis by gender from cephalometric radiographic picture. This research is using analytic observational design. The research data used 70 secondary data cephalometric radiograph of RSKGMP Airlangga University patients. The data was measured manually by forming a line parallel and perpendicular to the line tangent to point B, and calculating the distance between the superior border of the mandibular symphysis taken at point B to the most inferior border of the symphysis outline. The average value of the mandibular symphysis height in males is 22.44 mm and in females is 20.53 mm. There is a significant difference in the height of the mandibular symphysis in males and females.

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“…Язикова кортикальна пластинка зазвичай товща щічної. Кістка в ділянці верхівок зубів та язичної поверхні зазвичай товща у людей з широким і коротким симфізом [6], крім того, у жінок ища щільність кортикальної кістки в ділянці нижньощелепного симфізу, ніж у чоловіків [3].…”

Section: результати обговоренняunclassified

Findings on chin development and anatomy: a review of the literature

Kulytska¹,

Шувалов²,

Shkilniak³

et al. 2022

Rep. of Vinnytsia Nation. Med. Univ.

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Annotation. The anatomy of the chin is of increasing interest in the community of maxillofacial surgeons. Features of development, bone structure, blood supply and innervation of the chin region are studied, as a rule, independently of each other and require generalization of knowledge. The purpose of the study was to collect data on the chin area, compare and summarize them; identify aspects of chin anatomy and development that require further study. Articles published in the 2000-2021 scientometric databases Pubmed and Medline were selected for analysis. Articles related to the development, blood supply, innervation and structure of the chin bone were considered. The main conclusions from the identified sources related to the following. The chin is a specific and new formation of a modern person, which has peculiarities of development, bone structure, blood supply and innervation. The reviewed articles contained scattered data and often revealed only one aspect of chin morphology. Some of them are related to ontogeny, others describe isolated facts about blood supply or bone structure without showing the relationship between development and morphology. Many studies have been conducted to identify the influence of the features of the chin structure on orthodontic treatment, installation of implants, and only a few of them are devoted to the healing of this area after trauma or the features of the development of various diseases. Since the chin area is a specific and new formation compared to other parts of the lower jaw, studies of various bone pathology in this area are necessary. Many publications are devoted to the study of the blood supply of the chin area, feeding holes and channels on the lingual surface of the lower jaw, and these data are widely used in surgical practice. The innervation of the chin, the influence of structural features on the healing of fractures and grafts, the difference in the healing of the bones of individual areas of the lower jaw are usually not described and require in-depth study.

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A Retrospective CBCT Study of the Relationship between Mandibular Symphysis Bone Density and Mandibular Growth Direction

Cited by 3 publications

References 0 publications

CBCT Analysis of Edentulous Mandibular Symphysis in Iraqi Patients for Treatment with Implant-Supported Overdentures. Cross-Sectional Single-Center Study

CBCT Analysis of Edentulous Mandibular Symphysis in Iraqi Patients for Treatment with Implant-Supported Overdentures. Cross-Sectional Single-Center Study

Mandibular symphysis height based on gender in cephalometric radiographs

Findings on chin development and anatomy: a review of the literature

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