Delta Sigma Delta
ΔΣΔ
Founded	November 15, 1882; 141 years ago (1882-11-15) University of Michigan School of Dentistry
Type	Professional
Affiliation	PFA (former)
Emphasis	Dentistry
Scope	International
Motto	Knowledge, Strength, Justice
Colors	Blue and   Garnet
Publication	Desmos
Chapters	33
Headquarters	c/o Dr. John Prey, Supreme Scribe 296 15th Avenue Nekoosa, WI 54457 United States
Website	Official website

Delta Sigma Delta (ΔΣΔ) is an international professional dental fraternity.^[1] Founded in 1882, it is the oldest and largest of the professional dental fraternities.^[1]

History

Delta Sigma Delta's inception came when Lou Mitchell and Chas Howard, both dental students at the University of Michigan School of Dentistry in Ann Arbor, were invited to join the medical fraternity Nu Sigma Nu.^[2] They declined, instead opting to form the school's first professional dental fraternity.^[2]

On November 15, 1882, these two and five others from the dental school met at "Mrs. Slattery's boarding house", located at #10 North State St., Ann Arbor, Michigan, and there established what they soon realized was to be the first dental fraternity in the world.^[3] Its founders were:^[4]

Dr. L. L. Davis established the Beta chapter at the Chicago College of Dental Surgery after he established his dental practice in Chicago.^[2] Within a month of each other, Epsilon chapter was chartered at the University of Pennsylvania School of Dental Medicine, followed by Gamma chapter at Harvard University.^[5][2]

After graduation, the fraternity's founders took positions in multiple cities. This led to the formation of a Supreme (or Alumni) chapter, which was founded in Detroit, Michigan in 1895.^[2]

Symbols

The Greek letters ΔΣΔ represent the letters D.D.S. of the dental degree, although with a transposed sequence.^[2] Its colors are blue and garnet. Its motto is "Knowledge, Strength, Justice".

Governance

The Supreme Chapter is designated as the administrative or governing body of the fraternity.^[6] A Council of Graduate Chapters oversees the graduate chapters.^[6] The European Continental Chapter oversees the European graduate chapters and the Australia/New Zealand Chapter oversees the graduate chapters there.^[2]

Chapters

As of 2021, there were 44 active chapters. Undergraduate or collegiate chapters are located at dental schools, while graduate chapters are located in population centers throughout the United States and in Canada, Europe, Australia, and New Zealand.^[7]

Undergraduate chapters

Following is a list of the collegiate chapters of Delta Sigma Delta:^{[4][8][9][10][11][12]} Active chapters are indicated in bold; inactive chapters are in italics.

Zdroj:https://en.wikipedia.org?pojem=Delta_Sigma_Delta
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Name	Chartered	Institution	Location	Status	Notes	Reference
Alpha	November 15, 1882	University of Michigan	Ann Arbor, MI	Active		[5]
Beta	March 24, 1885–≤1993	Chicago College of Dental Surgery	Chicago, IL	Inactive	School merged with Loyola in 1923; Chapter closed in 1993	[5][13]
Epsilon	February 21, 1891–	University of Pennsylvania	Philadelphia, PA	Active		[5]
Gamma	March 6, 1891–1944	Harvard University	Boston, MA	Inactive		[5]
Delta		name unused				[5]
Zeta	November 21, 1891–	University of California, San Francisco	San Francisco, CA	Active		[5]
Eta	October 24, 1893–≤2001	Northwestern University	Evanston, Illinois	Inactive	The dental school closed in 2001	[5]
Theta	February 16, 1896–	University of Minnesota	Minneapolis, MN	Active		[5]
Iota	February 16, 1896–1908	Detroit Medicine	Detroit, MI	Inactive		[5]
Kappa	November 26, 1896–1926	Vanderbilt University	Nashville, TN	Inactive	The dental school closed in the late 1920s	[5]
Lambda	January 16, 1897–	Case Western Reserve University	Cleveland, OH	Active		[5]
Mu	January 21, 1897–19xx	Tufts University	Boston, MA	Inactive		[5]
Nu	March 15, 1898–	Kansas City Western Dental College	Kansas City, MO	Active		[5]
Xi	January 6, 1900–	Indiana Dental College	Indianapolis, IN	Active		[5]
Omicron	February 15, 1901–19xx	Saint Louis University	St. Louis, MO	Inactive	The dental school closed in 1971	[5]
Pi	October 8, 1901–19xx	University of Buffalo	Buffalo, NY	Inactive		[5]
Rho	December 9, 1900–	University of Illinois	Chicago, IL	Active		[5]
Sigma	February 5, 1903–	University of Pittsburgh	Pittsburgh, PA	Active		[5]
Tau	February 15, 1901–1932	Ohio College of Dental Surgery	Cincinnati, OH	Inactive	The dental school closed in 1926	[5]
Upsilon	May 25, 1905–	Washington University in St. Louis	St. Louis, MO	Inactive	The dental school closed in 1991	[5]
Phi	February 8, 1905–1932	Colorado College of Dental Surgery	Denver, CO	Inactive	The dental school closed in 1932	[5][14]
Chi	February 24, 1906–	University of Southern California	Los Angeles, CA	Active		[5]
Psi	April 11, 1907–	University of Oregon	Portland, OR	Active		[5]
Omega	April 1, 1910–	Creighton University	Omaha, NE	Active		[5]
Alpha Alpha	January 11, 1912–	Georgetown University	Washington, D.C.	Active		[5][15]
Beta Beta	May 8, 1913–≤1977	University of Nebraska	Lincoln, NE	Inactive		[5][16]
Gamma Gamma	February 18, 1914–	University of Iowa	Iowa City, IA	Active		[5]
Delta Delta		name unused				[5]
Epsilon Epsilon	April 29, 1914–	University of Louisville	Louisville, KY	Active		[5]
Zeta Zeta	June 3, 1917–	Louisiana State University	New Orleans, LA	Active		[5]
Eta Eta	June 1, 1918–	Marquette University	Milwaukee, WI	Active		[5]
Theta Theta	March 26, 1921–	Atlanta Southern Dental College	Augusta, GA	Active		[5]
Iota Iota		name unused				[5]
Kappa Kappa	May 27, 1921–	University of Tennessee	Memphis, TN	Active		[5]
Lambda Lambda	May 27, 1922–	Texas A&M University	Dallas, TX	Active		[5]
Mu Mu	July 22, 1926–	Ohio State University	Columbus, OH	Active		[5]
Nu Nu	November 22, 1926–	University of the Pacific	San Francisco, CA	Active		[5]
Xi Xi	May 16, 1931–1938	University of Maryland	Baltimore, MD	Inactive		[5]
Omicron Omicron	December 16, 1931–	Virginia Commonwealth	Richmond, VA	Active		[5]
Pi Pi	April 29, 1939–	University of Detroit	Detroit, MI	Active		[5]
Rho Rho	September 18, 1945–	Temple University	Philadelphia, PA	Active		[5]
Sigma Sigma	January 14, 1948–	University of Washington	Seattle, WA	Active		[5][17]
Tau Tau	May 29, 1948–	University of Texas	Houston, TX	Active		[5]
Upsilon Upsilon	April 28, 1951–	University of North Carolina	Chapel Hill, NC	Active		[5]
Phi Phi	May 24, 1952–	University of Alabama	Birmingham, AL	Active		[5]
Chi Chi	February 9, 1962–	West Virginia University	Morgantown, WV	Active		[5]
Psi Psi	1963–≤1977	University of Puerto Rico	San Juan, PR	Inactive		[5]
Omega Omega	December 6, 1969–	UCLA	Los Angeles, CA	Active		[5]
Alpha Alpha