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Lamb Ex Vivo Model for Training in Maxillary Sinus Floor Elevation Surgery: A Comparative Study With Human Standards

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Lamb Ex Vivo Model for Training in Maxillary Sinus Floor Elevation Surgery: A Comparative Study With Human Standards

Auteurs : Javier Lopez-Nino [Espagne] ; Lucia Garcia-Caballero [Espagne] ; Antonio Gonzalez-Mosquera [Espagne] ; Juan Seoane-Romero [Espagne] ; Pablo Varela-Centelles [Espagne] ; Juan Seoane [Espagne]

Source :

Journal of periodontology : (1970) [ 0022-3492 ] ; 2012.

RBID : Pascal:12-0160716

Descripteurs français

Pascal (Inist)
- Chirurgie, Agneau, Ex vivo, Sinus maxillaire, Plancher, Etude comparative, Homme, Education, Dent, Voie orale, Animal à viande, Dentisterie, Traitement, Implant dentaire.
Wicri :
- topic : Chirurgie, Homme.

English descriptors

KwdEn :
- Comparative study, Dental implant, Dentistry, Education, Ex vivo, Floor, Human, Lamb, Maxillary sinus, Meat animals, Oral administration, Surgery, Tooth, Treatment.

Abstract

Background: Many models have been suggested for surgical training in sinus floor elevation (SFE), but information on key features that provide feedback to the trainee is scarce. The aim of this study is to compare the thickness of the lateral wall of the maxillary sinus (TLWMS) and the thickness of the Schneiderian membrane (TSM) between an animal model and the human standard. Methods: The observational study used 20 fresh lamb heads. Cone-beam computed tomography (CT) was performed for recording the following: TLWMS, sinus lateral floor width, distance from the lateral border of the anteroposterior bone crest to the sinus wall, and height of lateral maxillary sinus. Thirty human radiologic exploration cone-beam CTs were used for comparisons. The sinus membrane thickness was measured at three points per section and compared to those of 10 formalin-preserved human membranes. Results: TLWMS in the animal model scored 2.25 ± 0.3 mm and was thicker than that of humans with subsinusal edentulism (Xi - Xj = 0.3; 95% confidence interval = 0.1 to 0.4), although this difference was not considered clinically relevant. The average thickness of the sinus membrane was 485.5 ± 137.1 μm with no significant differences between sides (P= 0.12) or between the thickness of human and lamb Schneiderian membranes. Conclusions: The model based on lambs is potentially useful for training in SFE techniques because of the similarities in the TLWMS and particularly the TSM. Additional studies are needed to validate this model within a teaching environment.

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Background: Many models have been suggested for surgical training in sinus floor elevation (SFE), but information on key features that provide feedback to the trainee is scarce. The aim of this study is to compare the thickness of the lateral wall of the maxillary sinus (TLWMS) and the thickness of the Schneiderian membrane (TSM) between an animal model and the human standard. Methods: The observational study used 20 fresh lamb heads. Cone-beam computed tomography (CT) was performed for recording the following: TLWMS, sinus lateral floor width, distance from the lateral border of the anteroposterior bone crest to the sinus wall, and height of lateral maxillary sinus. Thirty human radiologic exploration cone-beam CTs were used for comparisons. The sinus membrane thickness was measured at three points per section and compared to those of 10 formalin-preserved human membranes. Results: TLWMS in the animal model scored 2.25 ± 0.3 mm and was thicker than that of humans with subsinusal edentulism (Xi - Xj = 0.3; 95% confidence interval = 0.1 to 0.4), although this difference was not considered clinically relevant. The average thickness of the sinus membrane was 485.5 ± 137.1 μm with no significant differences between sides (P= 0.12) or between the thickness of human and lamb Schneiderian membranes. Conclusions: The model based on lambs is potentially useful for training in SFE techniques because of the similarities in the TLWMS and particularly the TSM. Additional studies are needed to validate this model within a teaching environment.</div>
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Lamb Ex Vivo Model for Training in Maxillary Sinus Floor Elevation Surgery: A Comparative Study With Human Standards

Lamb Ex Vivo Model for Training in Maxillary Sinus Floor Elevation Surgery: A Comparative Study With Human Standards

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