| Axial relationship between dental implants and teeth: A radiographic study. | |
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MedLine Citation:
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PMID: 22963369 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Abstract Purpose: The relationship of dental implants with neighboring teeth will affect both occlusal relationship and distribution of forces; thus the purpose of this study was to examine implants` axial relationship with adjacent and opposing teeth / implants. Materials & Methods: Data of dental implants patients was retrieved. Panoramic x-rays were digitized. Computer-based software was used to measure the angular relationship between the implants and adjacent/opposing teeth and implants. Data was further sorted by the mode of placement and implants' position. Results: 50 patients (219 implants) were included. Mean angle to adjacent tooth/implant was 178.71 ± 9.18 (range 129.7-206). Implants were more parallel to adjacent teeth (180.99±1.06) than to adjacent implants (176.32±0.54; p=0.0001). Mean angular relationship to opposite tooth was 167.88 ± 8.92 (range 137.7-179.8). Implants that were placed freehand or with positional guide had similar intra-arch relationship (178.22 & 178.81respectively) and similar inter-arch angulations (164.46 & 167.74). Molars had greater deviation of the angular relationship (175.54) compared to pre-molars (181.62) and incisors (180.55, p=0.0001). Implants placed in the maxilla had smaller axial deviation compared to implants in the mandible (180.41 ± 0.64 versus 177.14 ± 1.02; p = 0.0081). Conclusion: Good axial relationship may be obtained in most implants placed by an experienced clinician even when placed freehand. The mandibular posterior region is more prone to axial deviation and as such requires special attention. |
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Authors:
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Eli E Machtei; Orit Oettinger-Barak; Jacob Horwitz |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-9-10 |
Journal Detail:
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Title: The Journal of oral implantology Volume: - ISSN: 0160-6972 ISO Abbreviation: J Oral Implantol Publication Date: 2012 Sep |
Date Detail:
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Created Date: 2012-9-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7801086 Medline TA: J Oral Implantol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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a Harvard School of Dental Medicine, Visiting Assoc. Professor, Periodontology - Oral Medicine, Harvard School of Dental Medicine. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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