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Observational Study
. 2015 Dec 30:11:39.
doi: 10.1186/s13005-015-0097-2.

Evaluation of the neurovascular bundle position at the palate with cone beam computed tomography: an observational study

Hasan Guney Yilmaz  1 , Aysa Ayali  2
Affiliations
Observational Study

Evaluation of the neurovascular bundle position at the palate with cone beam computed tomography: an observational study

Hasan Guney Yilmaz et al. Head Face Med. .

Abstract

Background: The aim of this study was to investigate the neurovascular bundle (NVB) position with cone-beam computerized tomography (CBCT).

Methods: CBCT images of 345 patients were evaluated. The distance from the neurovascular bundle to the cemento-enamel junction (CEJ) was measured (DNB). The distance from mid-palatal suture to the alveolar crest was used to determine the palatal depth. Palatal junction angle (PA) was measured using the junction angle between the hard palate and alveolar crest. The relationships between the DNB and the palatal depth and between these two parameters and the PA were evaluated. Student's t-test was used to analyze the differences in DNB related to gender, and the correlation between the DNB while Pearson correlation analysis was used to determine the correlation between the DNB and age (p = 0.05). The relationship between the DNB and the palatal depth, and the relationship between these two parameters and the PA were also evaluated using Pearson correlation analysis.

Results: Except at the canine and first premolar areas the DNB was positively correlated with the palatal depth. No significant relationship between the PA and DNB or with PVD was observed. The highest DNB was 14 mm at the first molar, and the lowest was 10.8 mm at the canine.

Conclusions: Care is needed while rotating flap and harvesting the subepithelial connective tissue graft at the canine area because the neurovascular bundle passes approximately 11 mm apically to CEJ at the canine region.

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Figures

Fig. 1
Fig. 1
Evaluation of the distance between the NVB and the CEJ
Fig. 2
Fig. 2
Evaluation of the PA
Fig. 3
Fig. 3
Evaluation of the palatal depth
See this image and copyright information in PMC

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