Influence of the Posterior Mandible Ridge Morphology on Virtual Implant Planning.

Gallucci, German O; Khoynezhad, Shirin; Yansane, Alfa I; Taylor, Jacob; Buser, Daniel Albin; Friedland, Bernard (2017). Influence of the Posterior Mandible Ridge Morphology on Virtual Implant Planning. The international journal of oral & maxillofacial implants, 32(4), pp. 801-806. Quintessence Publishing 10.11607/jomi.5546

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PURPOSE The purpose of this study was to examine the anatomy of the mandibular posterior region to develop an anatomical categorization for implant-prosthodontic planning. MATERIALS AND METHODS Using cone beam computed tomography scans, 313 cross-sectional views of edentulous posterior mandibular sites were evaluated with respect to the anatomical ridge morphology. Virtual implant planning was performed, and the need for bone grafting was assessed. The level of complexity for planning implants in those positions was assessed. Sites were classified as straightforward, advanced, or complex sites based on the need for bone grafting. RESULTS Five well-defined cross-sectional configurations were observed: straight (53.6%), oblique (26.2%), s-shape (7.4%), hourglass shape (1.9%), and basal bone (10.8%). There was a statistically significant association between the ridge shape and the feasibility of placing an implant with or without bone grafting; the straight and oblique ridge shapes were more likely to be associated with a favorable anatomy for implant placement. CONCLUSION The ridge shape significantly influenced the ease or difficulty of placing an implant. The s-shape, hourglass, and basal bone posterior mandibular cross-sectional shapes were associated with a higher degree of difficulty.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Oral Surgery and Stomatology

UniBE Contributor:

Buser, Daniel Albin

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1942-4434

Publisher:

Quintessence Publishing

Language:

English

Submitter:

Caroline Balz

Date Deposited:

25 Jul 2019 16:07

Last Modified:

25 Jul 2019 16:07

Publisher DOI:

10.11607/jomi.5546

PubMed ID:

28708910

URI:

https://boris.unibe.ch/id/eprint/124614

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