The primary outcomes included the orthopedic transverse effects of expansion. Intergroup comparison was performed using analysis of covariance (P < .05). RESULTS: Significantly greater increases in the nasal cavity width, maxillary width, and buccal alveolar crest
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Table representation of search results timeline featuring number of search results per year.
Year | Number of Results |
---|---|
1964 | 1 |
1966 | 1 |
1973 | 1 |
1975 | 1 |
1976 | 3 |
1978 | 1 |
1979 | 6 |
1980 | 1 |
1981 | 8 |
1982 | 2 |
1983 | 2 |
1984 | 6 |
1985 | 4 |
1986 | 6 |
1987 | 2 |
1988 | 4 |
1989 | 5 |
1990 | 8 |
1991 | 6 |
1992 | 4 |
1993 | 13 |
1994 | 13 |
1995 | 7 |
1996 | 10 |
1997 | 9 |
1998 | 15 |
1999 | 10 |
2000 | 10 |
2001 | 13 |
2002 | 16 |
2003 | 13 |
2004 | 7 |
2005 | 17 |
2006 | 16 |
2007 | 24 |
2008 | 10 |
2009 | 14 |
2010 | 22 |
2011 | 25 |
2012 | 30 |
2013 | 29 |
2014 | 26 |
2015 | 30 |
2016 | 36 |
2017 | 42 |
2018 | 44 |
2019 | 31 |
2020 | 43 |
2021 | 43 |
2022 | 36 |
2023 | 38 |
2024 | 33 |
2025 | 13 |