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
. 2012 Dec;42(6):291-6.
doi: 10.4041/kjod.2012.42.6.291. Epub 2012 Dec 28.

Evaluation of the palatal soft tissue thickness by cone-beam computed tomography

Trang Vu  1 , Mohamed Bayome, Yoon-Ah Kook, Seong Ho Han
Affiliations

Evaluation of the palatal soft tissue thickness by cone-beam computed tomography

Trang Vu et al. Korean J Orthod. 2012 Dec.

Abstract

Objective: The purposes of this study were to measure the palatal soft tissue thickness at popular placement sites of temporary anchorage devices (TADs) by cone-beam computed tomography (CBCT) and evaluate the age, gender, and positional differences in this parameter.

Methods: The study sample consisted of 23 children (10 boys and 13 girls; mean age, 10.87 ± 1.24 years; range, 6.7 to 12.6 years) and 27 adults (14 men and 13 women; mean age, 21.35 ± 1.14 years; range, 20.0 to 23.8 years). Nine mediolateral and nine anteroposterior intersecting reference lines were drawn on CBCT scans of the 50 subjects, and the resultant measurement areas were designated according to their mediolateral (i.e., lateral, medial, and sutural) and anteroposterior (i.e., anterior, middle, and posterior) positions. Repeated-measures analysis of variance was performed to analyze intragroup and intergroup differences.

Results: No significant age and gender differences were found (p = 0.309 and 0.124, respectively). Further, no significant anteroposterior change was observed (p = 0.350). However, the lateral area presented the thickest soft tissue whereas the sutural area had the thinnest soft tissue (p < 0.001).

Conclusions: Clinical selection of the placement sites of TADs should be guided by knowledge of the positional variations in the palatal soft tissue thickness in addition to other contributing factors of TAD stability.

Keywords: CBCT; Palatal soft tissue; TADs.

PubMed Disclaimer

Conflict of interest statement

The authors report no commercial, proprietary, or financial interest in the products or companies described in this article.

Figures

Figure 1
Figure 1
Anteroposterior (AP) and mediolateral (ML) reference lines forming 81 intersection points for measuring the palatal soft tissue thickness.
Figure 2
Figure 2
Bland-Altman plot of the intra-examiner assessment reliability (unit: mm).
Figure 3
Figure 3
Changes in the palatal soft tissue thickness according to the mediolateral positions.
Figure 4
Figure 4
Soft tissue thickness at different mediolateral positions of the palate.
See this image and copyright information in PMC

References

    1. Kinzinger GS, Eren M, Diedrich PR. Treatment effects of intraoral appliances with conventional anchorage designs for non-compliance maxillary molar distalization: a literature review. Eur J Orthod. 2008;30:558–571. - PubMed
    1. Papadopoulos MA, Tarawneh F. The use of miniscrew implants for temporary skeletal anchorage in orthodontics: a comprehensive review. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007;103:e6–e15. - PubMed
    1. Hoste S, Vercruyssen M, Quirynen M, Willems G. Risk factors and indications of orthodontic temporary anchorage devices: a literature review. Aust Orthod J. 2008;24:140–148. - PubMed
    1. Reynders R, Ronchi L, Bipat S. Mini-implants in orthodontics: a systematic review of the literature. Am J Orthod Dentofacial Orthop. 2009;135:564.e1–564.e19. - PubMed
    1. Chen YJ, Chang HH, Huang CY, Hung HC, Lai EH, Yao CC. A retrospective analysis of the failure rate of three different orthodontic skeletal anchorage systems. Clin Oral Implants Res. 2007;18:768–775. - PubMed

LinkOut - more resources