Cementum status in natural teeth opposing implant-borne bridgework in Macaca fascicularis

Siar, C.H. and Pua, C.K. and Toh, C.G. and Romanos, G. and Ng, K.H. (2012) Cementum status in natural teeth opposing implant-borne bridgework in Macaca fascicularis. Oral Surgery Oral Medicine Oral Pathology Oral Radiology, 114 (5). S46-S53. ISSN 2212-4403

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Abstract

Objective. The objective of this study was to investigate the cementum status in natural teeth opposing implant-supported bridgework. Methods. Maxillary premolars and molars opposing immediate-loading (IL) and delayed-loading (DL) mandibular implant-supported bridgework in 4 Macaca fascicularis were harvested after 3 months of functional loading. Another 2 monkeys without mandibular fixed prostheses served as control. The cervical (CCW) and apical cementum width (ACW), and resorption craters (RCs) were measured. Results. No significant differences were observed between test and control groups for mean CCW (control = 26.79 +/- 3.28, IL = 21.29 +/- 9.12, and DL = 20.32 +/- 5.65 mu m) and for ACW (control = 937.97 +/- 353.74, IL = 955.26 +/- 720.05, and DL = 750.56 +/- 517.26 mu m) (P > .05). In test and control monkeys, RCs were uncommon and showed no significant differences in width (control = 0.71 +/- 0.38, IL = 1.02 +/- 0.49, DL = 0.85 +/- 1.02 mm) and depth (control = 0.15 +/- 0.07, IL = 0.25 +/- 0.40, DL = 0.22 +/- 0.15 mm) (P > .05). Conclusions. Present findings suggest that implant-supported bridgework does not produce any adverse effects on the cementum of opposing natural teeth after 3 months of functional loading. (Oral Surg Oral Med Oral Pathol Oral Radiol 2012;114(suppl 5)(suppl 5):S46-S53)

Item Type: Article
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Uncontrolled Keywords: Immediately loaded implants root resorption physical-properties orthodontic forces fiber cementum bone reactions in-vivo light microscopy strains
Subjects: R Medicine > RK Dentistry
Divisions: Faculty of Dentistry > Dept of Oral Pathology & Oral Medicine & Periodontology
Depositing User: Mr Ahmad Azwan Azman
Date Deposited: 19 Apr 2013 00:06
Last Modified: 19 Apr 2013 00:06
URI: http://eprints.um.edu.my/id/eprint/5839

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