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The Accuracy of Identifying the Greater Palatine Neurovascular Bundle: A Cadaver Study

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The Accuracy of Identifying the Greater Palatine Neurovascular Bundle: A Cadaver Study

Auteurs : Jia-Hui Fu [États-Unis] ; Dawlat G. Hasso [États-Unis] ; Chu-Yuan Yeh [États-Unis] ; Daylene J. M. Leong [États-Unis] ; Hsun-Liang Chan [États-Unis] ; Hom-Lay Wang [États-Unis]

Source :

Journal of periodontology : (1970) [ 0022-3492 ] ; 2011.

RBID : Pascal:11-0332761

Descripteurs français

Pascal (Inist)
- Chirurgie, Plastie, Précision, Anatomie, Tissu conjonctif, Gencive, Nerf maxillaire, Palais, Dentisterie, Traitement, Paquet neurovasculaire.
Wicri :
- topic : Chirurgie, Anatomie.

English descriptors

KwdEn :
- Accuracy, Anatomy, Connective tissue, Dentistry, Gingiva, Maxillary nerve, Palate, Plasty, Surgery, Treatment.

Abstract

Background: The palate is a common site for harvesting subepithelial connective tissue grafts (SCTG). The size of SCTG that can be harvested is dictated by the position of the greater palatine neurovascular bundle (GPB). The aims of this cadaver study are to assess the accuracy of predicting the location of the GPB on study models and to evaluate anatomic factors that might influence the predictability. Methods: Eleven fully dentate or partially edentulous maxillary cadavers were used. Study models were fabricated after the greater palatine foramen was identified. The GPB was recognized after dissection, from which the distance to the cemento-enamel junction of the first molar and premolar was measured. Eight periodontists and twelve periodontal residents were asked to estimate the location of the GPB on the study models and the same measurements were taken. Comparisons of the estimated and true GPB position were performed. The correlation between the palatal vault height and the variability of detecting the GPB was investigated. Results: The most frequent greater palatine foramen location was between the second and third molars (66.6%). For most cases, there was an underestimation of the location of the GPB up to 4 mm. The interexaminer variability was positively correlated with the vault height. Conclusions: The estimated location of the GPB was commonly closer to the cemento-enamel junction of posterior teeth. Agreement on the location of the GPB was lowered with the presence of high palatal vaults. The results of this study could assist clinicians in planning the location for harvesting SCTG on the hard palate.

Affiliations:

États-Unis

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Background: The palate is a common site for harvesting subepithelial connective tissue grafts (SCTG). The size of SCTG that can be harvested is dictated by the position of the greater palatine neurovascular bundle (GPB). The aims of this cadaver study are to assess the accuracy of predicting the location of the GPB on study models and to evaluate anatomic factors that might influence the predictability. Methods: Eleven fully dentate or partially edentulous maxillary cadavers were used. Study models were fabricated after the greater palatine foramen was identified. The GPB was recognized after dissection, from which the distance to the cemento-enamel junction of the first molar and premolar was measured. Eight periodontists and twelve periodontal residents were asked to estimate the location of the GPB on the study models and the same measurements were taken. Comparisons of the estimated and true GPB position were performed. The correlation between the palatal vault height and the variability of detecting the GPB was investigated. Results: The most frequent greater palatine foramen location was between the second and third molars (66.6%). For most cases, there was an underestimation of the location of the GPB up to 4 mm. The interexaminer variability was positively correlated with the vault height. Conclusions: The estimated location of the GPB was commonly closer to the cemento-enamel junction of posterior teeth. Agreement on the location of the GPB was lowered with the presence of high palatal vaults. The results of this study could assist clinicians in planning the location for harvesting SCTG on the hard palate.</div>
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The Accuracy of Identifying the Greater Palatine Neurovascular Bundle: A Cadaver Study

The Accuracy of Identifying the Greater Palatine Neurovascular Bundle: A Cadaver Study

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri