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532339 occurrences (No.23 in the rank) during 5 years in the PubMed. [no cache] 500 found

339) Further studies evaluating different graft materials and PRF combinations in the early phases of healing would be beneficial.

--- ABSTRACT ---

PMID:24041418 DOI:10.1563/AAID-JOI-D-13-00129

2015 The Journal of oral implantology

* Sinus Augmentation With Platelet-Rich Fibrin in Combination With Bovine Bone Graft Versus Bovine Bone Graft in Combination With Collagen Membrane.

- The purpose of this study was to compare the efficacy between the use of bovine bone graft material and platelet-rich fibrin (PRF) mixture (test group) and bovine bone graft material and collagen membrane combination (control group) in 2-stage maxillary sinus augmentation. According to specific inclusion/exclusion criteria, patients treated between 2008 and 2012 were selected. Panoramic radiographs were used for radiologic assessments. To evaluate the relationship between sinus-graft height and each implant, the bone level (BL) was divided by implant length (IL). To evaluate the change in the height of grafted sinus, the grafted sinus floor above the lowest part of the original sinus height (GSH) was divided by the original sinus height (OSH). Samples taken during implant surgery were used for histologic and histomorphometric analyses. Twenty-five patients, 32 augmentation surgeries, and 66 one-stage implants were included in the study. No implant loss or complication was observed in either group. There were no statistical differences according to new bone formation (P = .61) and biomaterial remnant (P = .87). During the evaluation period, the test group showed statistically less change in the BL/IL ratio (P = .022). The difference of GSH/OSH ratio was found to be insignificant between groups (P = .093). It was observed that the grafted sinus covering the implant apex and sinus floor was above the original sinus height in both groups. It may be concluded from this study that both combinations can be successfully used for sinus augmentation. Further studies evaluating different graft materials and PRF combinations in the early phases of healing would be beneficial.

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(1)61 have	(14)8 with	(27)3 demonstrate	(40)2 including
(2)47 null	(15)7 should	(28)3 for	(41)2 indicated
(3)32 of	(16)6 is	(29)3 however,	(42)2 investigating
(4)26 are	(17)6 we	(30)3 performed	(43)2 involving
(5)26 on	(18)5 suggest	(31)3 reported	(44)2 it
(6)19 in	(19)5 the	(32)3 since	(45)2 or
(7)17 were	(20)4 as	(33)3 which	(46)2 provide
(8)16 and	(21)4 demonstrated	(34)2 about	(47)2 published
(9)15 to	(22)4 evaluating	(35)2 also	(48)2 regarding
(10)10 showed	(23)4 from	(36)2 can	(49)2 targeting
(11)8 revealed	(24)4 indicate	(37)2 concerning	(50)2 tested
(12)8 that	(25)4 show	(38)2 demonstrating	(51)2 used
(13)8 using	(26)3 based	(39)2 has	(52)2 was

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--- WordNet output for studies --- Overview of noun study The noun study has 10 senses (first 8 from tagged texts) 1. (90) survey, study -- (a detailed critical inspection) 2. (17) study, work -- (applying the mind to learning and understanding a subject (especially by reading); "mastering a second language requires a lot of work"; "no schools offer graduate study in interior design") 3. (6) report, study, written report -- (a written document describing the findings of some individual or group; "this accords with the recent study by Hill and Dale") 4. (6) study -- (a state of deep mental absorption; "she is in a deep study") 5. (6) study -- (a room used for reading and writing and studying; "he knocked lightly on the closed door of the study") 6. (3) discipline, subject, subject area, subject field, field, field of study, study, bailiwick -- (a branch of knowledge; "in what discipline is his doctorate?"; "teachers should be well trained in their subject"; "anthropology is the study of human beings") 7. (2) sketch, study -- (preliminary drawing for later elaboration; "he made several studies before starting to paint") 8. (1) cogitation, study -- (attentive consideration and meditation; "after much cogitation he rejected the offer") 9. study -- (someone who memorizes quickly and easily (as the lines for a part in a play); "he is a quick study") 10. study -- (a composition intended to develop one aspect of the performer's technique; "a study in spiccato bowing") Overview of verb study The verb study has 6 senses (first 6 from tagged texts) 1. (73) analyze, analyse, study, examine, canvass, canvas -- (consider in detail and subject to an analysis in order to discover essential features or meaning; "analyze a sonnet by Shakespeare"; "analyze the evidence in a criminal trial"; "analyze your real motives") 2. (17) study -- (be a student; follow a course of study; be enrolled at an institute of learning) 3. (15) study, consider -- (give careful consideration to; "consider the possibility of moving") 4. (13) learn, study, read, take -- (be a student of a certain subject; "She is reading for the bar exam") 5. (5) study, hit the books -- (learn by reading books; "He is studying geology in his room"; "I have an exam next week; I must hit the books now") 6. (2) study, meditate, contemplate -- (think intently and at length, as for spiritual purposes; "He is meditating in his study") --- WordNet end ---