Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2021 May 20:12:630859.
doi: 10.3389/fphys.2021.630859. eCollection 2021.

Optimal Implantation Site of Orthodontic Micro-Screws in the Mandibular Anterior Region Based on CBCT

Yannan Wang  1   2 , Quan Shi  3 , Feng Wang  1
Affiliations

Optimal Implantation Site of Orthodontic Micro-Screws in the Mandibular Anterior Region Based on CBCT

Yannan Wang et al. Front Physiol. .

Abstract

Background: To determine the optimal implantation site of orthodontic micro-screws based on cone beam computed tomography (CBCT) analysis in the mandibular anterior tooth region, provide a theoretical basis for orthodontic implant placement and improve post-implantation stability. Methods: Forty patients who underwent CBCT scanning were selected for this study. CBCT scanning was applied to measure the interradicular distance, buccolingual dimension, labial cortical bone thickness and lingual cortical bone thickness between mandibular anterior teeth at planes 2, 4, 6, and 8 mm below the alveolar ridge crest. The data were measured and collected to obtain a comprehensive evaluation of the specific site conditions of the alveolar bone. Results: The interradicular distance, buccolingual dimension and labial cortical bone thickness between the mandibular anterior teeth were positively correlated with the distance below the alveolar ridge crest (below 8 mm). The interradicular distance, buccolingual dimension, labial cortical bone thickness, and lingual cortical bone thickness were all greater than those in other areas between the lateral incisor root and canine incisor root 4, 6, and 8 mm below the alveolar ridge crest. Conclusion: The area between the lateral incisor root and the canine incisor root in planes 4, 6, and 8 mm from the alveolar ridge crest can be used as safe sites for implantation, while 8 mm below the alveolar ridge crest can be the optimal implantation site. An optimal implantation site can be 8 mm below the alveolar ridge crest between the lateral incisor root and the canine incisor root.

Keywords: CBCT; implantation site; mandibular anterior region; micro-screws; post- implantation stability.

PubMed Disclaimer

Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

FIGURE 1
FIGURE 1
CBCT scanning and 3D reconstruction: (A) horizontal view; (B) coronal view; (C) sagittal view; and (D) three-dimensional reconstruction.
FIGURE 2
FIGURE 2
CBCT measurement: interradicular distance in coronal view.
FIGURE 3
FIGURE 3
CBCT measurement: buccolingual dimension, labial cortical bone thickness and lingual cortical bone thickness in sagittal view.
See this image and copyright information in PMC

Similar articles

See all similar articles

Cited by

References

    1. Aras I., Tuncer A. V. (2016). Comparison of anterior and posterior mini-implant-assisted maxillary incisor intrusion, Root resorption and treatment efficiency. Angle Orthod. 85015–85571. 10.2319/085015-571.1 - DOI - PMC - PubMed
    1. Brend P. J., Eppo B. W., Justin T., van der T., Ali T., Justin P. (2020). Esthetics and Patient-reported outcomes of implants placed with guided bone regeneration and complete native bone: a prospective controlled clinical trial. Int. J. Oral Maxillofac. Implants 35 406–414. 10.11607/jomi.7751 - DOI - PubMed
    1. Chang H. P., Tseng Y. C. (2014). Miniscrew implant applications in contemporary orthodontics. Kaohsiung J. Med. Sci. 30 111–115. 10.1016/j.kjms.2013.11.002 - DOI - PMC - PubMed
    1. Cornelis M. A., Scheffler N. R., Clerck H. J. D., Tulloch J. F. C., Behets C. N. (2007). Systematic review of the experimental use of temporary skeletal anchorage devices in orthodontics. Am. J. Orthod. Dentofacial Orthoped. 131 (4-supp-S) S52–S58. 10.1016/j.ajodo.2006.05.033 - DOI - PubMed
    1. Diniz-Freitas M., Seoane-Romero J., Fernández-Varela M., Abeleira M. T., Limeres J. (2015). Cone beam computed tomography evaluation of palatal bone thickness for miniscrew placement in down’s syndrome. Arch Oral Biol. 60 1333–1339. 10.1016/j.archoralbio.2015.06.013 - DOI - PubMed