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Risk Assessment of Lingual Plate Perforation in Posterior Mandibular Region: A Virtual Implant Placement Study Using Cone-Beam Computed Tomography

Identifieur interne : 001C68 ( Main/Exploration ); précédent : 001C67; suivant : 001C69

Risk Assessment of Lingual Plate Perforation in Posterior Mandibular Region: A Virtual Implant Placement Study Using Cone-Beam Computed Tomography

Auteurs : Hsun-Liang Chan [États-Unis] ; Erika Benavides [États-Unis] ; Chu-Yuan Yeh [États-Unis] ; Jia-Hui Fu [États-Unis] ; Ivan E. Rudek [États-Unis] ; Hom-Lay Wang [États-Unis]

Source :

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

RBID : Pascal:11-0100782

Descripteurs français

Pascal (Inist)
- Edentation, Tomodensitométrie, Facteur risque, Plaque, Perforation, Postérieur, Mandibule, Anatomie, Peropératoire, Complication, Mâchoire, Dentisterie, Traitement, Implant dentaire, Faisceau conique.
Wicri :
- topic : Anatomie.

English descriptors

KwdEn :
- Anatomy, Complication, Computerized axial tomography, Cone beam, Dental implant, Dentistry, Edentulousness, Intraoperative, Jaw, Mandible, Perforation, Plate, Posterior, Risk factor, Treatment.

Abstract

Background: Lingual plate perforation at the time of implant placement in posterior mandible is a potential surgical complication, and presence of a lingual concavity is considered a risk factor. Little is known about the spatial relationship between implant and lingual plate. The role of lingual concavity in the risk of lingual perforation has not yet been fully studied. This computer-simulated study investigates the incidence of lingual plate perforation in edentulous mandibular first molar region and the risk of perforation in the area of lingual concavity. Methods: One hundred and three qualified cone-beam computed tomography scans were selected from the database. Implants of various dimensions were virtually placed into the area using computer software. The distance between implant tip and lingual plate was measured using a digital caliper. Incidence of lingual plate perforation and proximity of the implant tip to lingual plate were measured for three types of cross-sectional mandibular morphology. Results: One hundred and three cone-beam computed tomography scans with 118 sites were available for analysis. The intraexaminer and interexaminer agreements were 0.93 and 0.89, respectively. The predicted incidence of lingual plate perforation was 1.1 % to 1.2%. Most implants, which were within 1 mm from lingual plate, occurred in sites with lingual concavity (type-U ridge). Conclusions: This study demonstrates a novel experimental design by which the spatial relation between implant and lingual plate in mandibular first molar region is investigated. Incidence of lingual plate perforation during implant placement is predicted to be 1.1% to 1.2% and it will most likely happen in type-U ridge.

Affiliations:

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Le document en format XML

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<term>Anatomie</term>
<term>Peropératoire</term>
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<front><div type="abstract" xml:lang="en">Background: Lingual plate perforation at the time of implant placement in posterior mandible is a potential surgical complication, and presence of a lingual concavity is considered a risk factor. Little is known about the spatial relationship between implant and lingual plate. The role of lingual concavity in the risk of lingual perforation has not yet been fully studied. This computer-simulated study investigates the incidence of lingual plate perforation in edentulous mandibular first molar region and the risk of perforation in the area of lingual concavity. Methods: One hundred and three qualified cone-beam computed tomography scans were selected from the database. Implants of various dimensions were virtually placed into the area using computer software. The distance between implant tip and lingual plate was measured using a digital caliper. Incidence of lingual plate perforation and proximity of the implant tip to lingual plate were measured for three types of cross-sectional mandibular morphology. Results: One hundred and three cone-beam computed tomography scans with 118 sites were available for analysis. The intraexaminer and interexaminer agreements were 0.93 and 0.89, respectively. The predicted incidence of lingual plate perforation was 1.1 % to 1.2%. Most implants, which were within 1 mm from lingual plate, occurred in sites with lingual concavity (type-U ridge). Conclusions: This study demonstrates a novel experimental design by which the spatial relation between implant and lingual plate in mandibular first molar region is investigated. Incidence of lingual plate perforation during implant placement is predicted to be 1.1% to 1.2% and it will most likely happen in type-U ridge.</div>
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Risk Assessment of Lingual Plate Perforation in Posterior Mandibular Region: A Virtual Implant Placement Study Using Cone-Beam Computed Tomography

Risk Assessment of Lingual Plate Perforation in Posterior Mandibular Region: A Virtual Implant Placement Study Using Cone-Beam Computed Tomography

Source :

Descripteurs français

English descriptors

Abstract

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

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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