ELIZA

return kwic search for role out of >500 occurrences
507580 occurrences (No.24 in the rank) during 5 years in the PubMed. [cache]

3) The aim of this study was to elucidate the role of 2 types of collagen membranes (cross-linked vs noncross-linked) used in conjunction with autogenous or allogenic bone followed by xenogeneic bone particles for dehiscence defect around implants in humans.

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PMID:24372514 DOI:10.1563/AAID-JOI-D-13-00214

2015 The Journal of oral implantology

* The Role of Two Different Collagen Membranes for Dehiscence Defect Around Implants in Humans.

- The aim of this study was to elucidate the role of 2 types of collagen membranes (cross-linked vs noncross-linked) used in conjunction with autogenous or allogenic bone followed by xenogeneic bone particles for dehiscence defect around implants in humans. Experimental groups were divided into 2 groups: Group CL (cross-linked, Ossix Plus, n = 24 implants, 16 patients) and Group NCL (noncross-linked, Bio-Gide, n = 25 implants, 18 patients). At the time of implant insertion and uncovery surgery, measurements of the dehiscence bony height, width, and surface area were made. Before applying the membrane to defects, guided bone regeneration was performed. Because it is difficult to measure the degree of exposure, early exposed cases were excluded from the result analysis. The mean percentage gain of the dehiscence defect and the mean marginal bone reduction value of follow-up radiograph did not show statistically significant differences between the 2 groups. Both membranes exhibited satisfactory results on dehiscence defects. As a result, our authors concluded the success of guided bone regeneration was performed simultaneously for dehiscence defects around the implant, regardless whether collagen membranes were cross-linked or noncross-linked.

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(1)200 of	(4)14 null	(7)6 that	(10)2 by
(2)197 in	(5)9 and	(8)6 to	(11)2 during
(3)21 for	(6)9 as	(9)3 these	(12)2 limitations

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--- WordNet output for role --- =>役目, 役割, 任務, 職務, 役 Overview of noun role The noun role has 4 senses (first 4 from tagged texts) 1. (34) function, office, part, role -- (the actions and activities assigned to or required or expected of a person or group; "the function of a teacher"; "the government must do its part"; "play its role") 2. (10) character, role, theatrical role, part, persona -- (an actor's portrayal of someone in a play; "she played the part of Desdemona") 3. (8) function, purpose, role, use -- (what something is used for; "the function of an auger is to bore holes"; "ballet is beautiful but what use is it?") 4. (6) role -- (normal or customary activity of a person in a particular social setting; "what is your role on the team?") --- WordNet end ---