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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1954 1
1961 1
1964 2
1965 3
1966 22
1967 56
1968 60
1969 46
1970 40
1971 47
1972 55
1973 52
1974 60
1975 60
1976 58
1977 61
1978 70
1979 99
1980 99
1981 65
1982 71
1983 102
1984 99
1985 110
1986 147
1987 149
1988 142
1989 175
1990 215
1991 240
1992 176
1993 198
1994 209
1995 190
1996 222
1997 180
1998 167
1999 153
2000 192
2001 214
2002 238
2003 204
2004 198
2005 166
2006 215
2007 196
2008 274
2009 294
2010 358
2011 442
2012 526
2013 504
2014 512
2015 416
2016 364
2017 340
2018 407
2019 279
2020 204
2021 163
2022 115
2023 29
2024 8

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9,816 results

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Page 1
Periodontal index.
Gillette WB. Gillette WB. J Am Dent Assoc. 1987 May;114(5):580, 582. doi: 10.14219/jada.archive.1987.0140. J Am Dent Assoc. 1987. PMID: 3474260 No abstract available.
The Periodontal Index.
Russell AL. Russell AL. J Periodontol. 1967 Nov-Dec;38(6):Suppl:585-91. doi: 10.1902/jop.1967.38.6_part2.585. J Periodontol. 1967. PMID: 5237681 No abstract available.
Gingival Retraction Methods: A Systematic Review.
Tabassum S, Adnan S, Khan FR. Tabassum S, et al. J Prosthodont. 2017 Dec;26(8):637-643. doi: 10.1111/jopr.12522. Epub 2016 Jul 28. J Prosthodont. 2017. PMID: 27465933 Review.
9,816 results