NDLI: Topographic analysis of the mandibular symphysis in a normal occlusion population using cone-beam computed tomography

Content Provider	PubMed Central
Author	Lee, Ji-eun Lee, Yoon-jin Jin, Seong-ho Kim, Yoonji Kook, Yoon-ah Ko, Youngkyung Park, Jun-beom
Copyright Year	2015
Abstract	At present, the relationship between the morphological characteristics of the sympheseal region and occlusion has not been well documented. The aim of the present study was to investigate the following, using cone-beam computed tomography (CBCT): Interforaminal distance, the anterior loop, labial bone thickness at the tooth apex, cortical bone thickness, and the basal bone height from the apex of the tooth to the base of the mandible. Three-dimensional CBCT was performed on 20 normal occlusion subjects (9 males and 11 females; mean age=21.9±3.0 years); the mean interforaminal distance was 53.1±3.6 mm, with 85% of the participants demonstrating a mental foramen located below the second premolars on both sides. The mean anterior loop was 1.9±0.8 mm, the mean horizontal distance value was 4.5±1.3 mm, and the mean cortical bone thickness value was 2.3±0.5 mm. An increasing tendency for cortical bone thickness was seen from the central incisor to the second premolar. The mean vertical distance value was 20.3±3.1 mm. Decreasing tendency of vertical distance was seen from the central incisor to the second premolar. Furthermore, the width (mental foramina of both sides and their anterior loops), height (teeth apices and the inferior border of the mandible), depth (cortical bone thickness of the symphysis), and safety margins for vital anatomical structures (anterior loop, tooth apex, and inferior border of mandible) should be taken into account prior to symphyseal block-bone harvesting. The results of the present study suggested that a pre-operative evaluation with CBCT may be useful for diagnosis and treatment planning, and for minimizing complications during block-bone graft.
Related Links	http://dx.doi.org/10.3892/etm.2015.2842
Ending Page	2156
Page Count	7
Starting Page	2150
File Format	PDF
ISSN	17920981
e-ISSN	17921015
Journal	Experimental and Therapeutic Medicine
Issue Number	6
Volume Number	10
Language	English
Publisher	D.A. Spandidos
Publisher Date	2015-11-01
Access Restriction	Open
Rights Holder	D.A. Spandidos
Subject Keyword	Immunology and Microbiology (miscellaneous) Cancer Research Medicine(all) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Cancer Research 2400/2401

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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