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 Sep;82(5):868-74.
doi: 10.2319/111211-702.1. Epub 2012 Feb 23.

Dehiscence and fenestration in patients with different vertical growth patterns assessed with cone-beam computed tomography

Sukru Enhos  1 , Tancan Uysal, Ahmet Yagci, İlknur Veli, Faruk Izzet Ucar, Törün Ozer
Affiliations

Dehiscence and fenestration in patients with different vertical growth patterns assessed with cone-beam computed tomography

Sukru Enhos et al. Angle Orthod. 2012 Sep.

Abstract

Objective: To test the null hypothesis that the presence of alveolar defects (dehiscence and fenestration) was not different among patients with different vertical growth patterns.

Materials and methods: A total of 1872 teeth in 26 hyper-divergent (mean age: 24.4 ± 4.8 years), 27 hypo-divergent (mean age: 25.1 ± 4.5 years), and 25 normo-divergent (mean age: 23.6 ± 4.1 years) patients with no previous orthodontic treatment were evaluated using cone-beam computed tomography. Axial and cross-sectional views were evaluated with regard to whether dehiscence and/or fenestration on buccal and lingual surfaces existed or not. For statistical analysis, the Pearson chi-square test was used at a P < .05 significance level.

Results: According to the statistical analysis, the hypo-divergent group (6.56%) had lower dehiscence prevalence than the hyper-divergent (8.35%) and normo-divergent (8.18%) groups (P = .004). Higher prevalences of dehiscence and fenestration were found on buccal sides in all vertical growth patterns. While fenestration was a common finding for the maxillary alveolar region, dehiscence was a common finding in the mandible in all groups.

Conclusion: The null hypothesis was rejected. Although the prevalence of fenestrations was not different, significant differences for dehiscences were found in patients with different vertical growth patterns.

PubMed Disclaimer

Figures

Figure 1
Figure 1
Dehiscence: at least three sequential views (A indicates cemento-enamel junction; B, bone level).
Figure 2
Figure 2
Fenestration: at least three sequential views (A indicates bone; B, fenestration area/cement of the root).
See this image and copyright information in PMC

References

    1. Handelman C. S. The anterior alveolus: its importance in limiting orthodontic treatment and its influence on the occurrence of iatrogenic sequelae. Angle Orthod. 1996;66:95–109. - PubMed
    1. Årtun J, Krogstad O. Periodontal status of mandibular incisors following excessive proclination: a study in adults with surgically treated mandibular prognathism. Am J Orthod Dentofacial Orthop. 1987;91:225–232. - PubMed
    1. Lindhe J, Karring T, Araujo M. The anatomy of periodontal tissues. In: Lindhe J, Karring T, Lang N. P, editors. Clinical Periodontology and Implant Dentistry 4th ed. Copenhagen, Denmark: Blackwell Munksgaard; 2003. pp. 3–48.
    1. Reitan F, Rygh P. Biomechanical principles and reactions. In: Graber T. M, Vandarsdall R. L, editors. Orthodontics Current Principles and Techniques 2nd ed. St Louis, Mo: Mosby-Year Book; 1994. pp. 96–192.
    1. Evangelista K, Vasconcelos K. F, Bumann A, Hirsch E, Nitka M, Silva M. A. G. Dehiscence and fenestration in patients with Class I and Class II Division 1 malocclusion assessed with cone-beam computed tomography. Am J Orthod Dentofacial Orthop. 2010;138:133e1–133e7. - PubMed

LinkOut - more resources