That remained the state of affairs until the late 1960s when Harald Loe ( at the time a professor at the Royal Dental College in Aarhus, Denmark ) demonstrated that a chlorhexidine compound could prevent the build-up of dental plaque.

Farming of abalone began in the late 1950s and early 1960s in Japan and China.

Collins decided to record it in the late 1960s amid an atmosphere of counterculture introspection ; she was part of an encounter group that ended a contentious meeting by singing " Amazing Grace " as it was the only song to which all the members knew the words.

The last of the Ainu households disappeared in the late 1960s, when Yamanaka Kitaro committed suicide after the death of his wife.

His attitude towards conjectures was that one should not dignify a guess as a conjecture lightly, and in the Taniyama case, the evidence was only there after extensive computational work carried out from the late 1960s.

By the late 1960s he had started to become interested in scientific areas outside of mathematics.

From the late 1940s to the early 1960s, following the creation of the state of Israel, most of these Jews fled their countries of birth and are now mostly concentrated in Israel.

One story is that The Rolling Stones went to stay at Korner's house late one night, in the early 1960s, after a performance.

Although he himself was a blues purist, Korner criticised better-known British blues musicians during the blues boom of the late 1960s for their blind adherence to Chicago blues, as if the music came in no other form.

This practice was particularly popular in the late 1960s.

However, the late 1950s and early 1960s saw the onset of a lasting transformation of the city by the tourist industry.

The local economy is based upon tourism directed to the beaches of the Costa Blanca and particularly the second residence construction boom which started in the 1960s and reinvigorated again by the late 1990s.

From the late 1820s until the mid 1960s, Arapawa Island was a base for whaling in the Sounds.

The region was a major producer of raw opium ( hence the name Afyon ) until the late 1960s when under international pressure, from the USA in particular, the fields were burnt and production ceased.

Remains of the walls of this fort were discovered west of the castle when excavating the foundations for a new post office and telephone exchange building in the late 1960s.

By the late 1960s, the area of LAFTA had a population of 220 million and produced about $ 90 billion of goods and services annually.

Throughout the late 1950s and into the 1960s, the United States and the Soviet Union had been developing a series of missile systems with the ability to shoot down incoming ICBM warheads.

* About 50 people in Vernon, Florida collected insurance claims for loss-of-limb accidents in the late 1950s and early 1960s ; this was more than two-thirds of all such claims in the United States during that time.

He changed his surname from Einstein ( to avoid confusion with the famous physicist ) and began a comedy career that quickly made him a regular on variety and talk shows during the late 1960s and early 1970s.

A standardized form of the Basque language, called Euskara Batua, was developed by the Basque Language Academy in the late 1960s.

In the late 1960s and early 1970s, Thackeray built the party by forming temporary alliances with nearly all of Maharashtra's political parties.

However, in the late 1950s and early 1960s, base-stealing was brought back to prominence primarily by Luis Aparicio and Maury Wills, who broke Cobb's modern single-season record by stealing 104 bases in 1962.

During the late 1960s, the Baseball Players Union became much stronger and conflicts between owners and the players ' union led to major work stoppages in 1972, 1981, and 1994.

The BASIC language was also central to the HP Time-Shared BASIC system in the late 1960s and early 1970s, and the Pick operating system.

Following a brief modeling career in the late 1960s, Berenson became a freelance photographer.

The concept of a blitzkrieg Luftwaffe was challenged by Richard Overy in the late 1970s and by Williamson Murray in the mid-1980s.

The droughts of the late 1960s, early 1970s, and mid-1980s caused Lake Chad to shrink once again, however.

Cinema attendance, having rallied slightly in the late 1970s after an all-time low of 115. 1 million visits in 1976, dropped sharply again from the mid-1980s to end at just 101. 6 million visits in 1989.

Between the late 1970s and mid-1980s, Italian cinema was in crisis ; " art films " became increasingly isolated, separating from the mainstream Italian cinema.

From the late 1960s until the mid-1980s, he dominated the Canadian political scene and aroused passionate reactions.

Indigenously-designed aircraft included the Valmet Vihuri in the 1950s, the Valmet Vinka in the late 1970s and the Valmet Redigo in the mid-1980s.

The Z80 and its derivatives and clones make up one of the most commonly used CPU families of all time, and, along with the MOS Technology 6502 family, dominated the 8-bit microcomputer market from the late 1970s to the mid-1980s.

The combination of CP / M and S-100 bus computers loosely patterned on the MITS Altair was an early " industry standard " for microcomputers, and this computer platform was widely used in business through the late 1970s and into the mid-1980s, expanding to include 16-bit CPUs and multiuser capability.

Apple has manufactured several popular examples of all-in-one computers, such as the original Macintosh of the mid-1980s and the iMac of the late 1990s and 2000s.

Major growth occurred from the mid-1980s to the late 1990s.

From the late 1950s to the mid-1980s, the Welk Group was known as " Teleklew ," in which tele stood for television and klew was Welk spelled backwards.

The Broadway strip was also home to the Mabuhay Gardens, the Stone and On Broadway nightclubs, which were important venues in the punk rock scene of the late 1970s to mid-1980s.

From the late 1970s to mid-1980s, it was used to deliver information ( usually pages of text ) to a user in computer-like format, typically to be displayed on a television.

* Gonsoulin Insurance Agency, located on main street between Ed Broussard Road and Gonsoulin street, this 1970s architectural style building was the home of the family-owned Gonsoulin Insurance Agency which operated from the late 1960s until the mid-1980s.

In the late 1970s, a ShopRite supermarket was built, and was expanded in the mid-1980s.

In the mid-1980s, key artists included solo performer Howard Jones, who mixed synthpop with the optimism of late -' 60s pop, and Nik Kershaw, whose " well-craft synthpop " incorporated guitars and other more traditional pop influences that particularly appealed to a teen audience.

Although most classes have been held in the " new " Balmville School since 1954, some classes had been held in the " old " building as late as the mid-1970s, and it had been used for offices and other administrative purposes up to the mid-1980s.

As late as the mid-1980s about 85 percent of the town's residents were Catholics, and church activities helped to bond the community together.

From the late 1970s through the mid-1980s, he was closely associated with the punk rock band Black Flag and the record label SST Records, both founded by his older brother Greg Ginn.

Ironically, two later editions of his show featured the late 1970s incarnation of Pan's People, one of whom, Louise English, went on to become a major cast member of the Hill show through the mid-1980s.

However, even though they were often considered one of the top bands of the New Wave of British Heavy Metal movement of the late 1970s, in the mid-1980s the band were associated with the growing glam metal scene, mainly due to their mainstream success and glossy production.

They achieved their greatest fame in the late 1970s and early to mid-1980s with a fusion of rock and roll and rhythm and blues styles, which they dubbed " rock and soul.

In the late 1990s James Kurth asserted, " y the mid-1980s the term had largely fallen out of public discussion ... whatever the power of arguments about the influence of the military – industrial complex on weapons procurement during the Cold War, they are much less relevant to the current era.

The venue was again opened in September 2007 under the name Club 443 by management who were primarily interested in Hip Hop and who eventually proved to be quite hostile to punk and metal-However they agreed to allow T & T Presents, an SF based music promotions agency which booked many punk and metal shows at the Mabuhay from the late 1970s through mid-1980s to host a series of shows under the name of " The Old Mab " and using the Mabuhay Gardens logo with the blessing of the Aquino family.