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Chewing gum possessing tooth cleaning effect and a teeth cleaning methodRelated Patent Categories: Drug, Bio-affecting And Body Treating Compositions, Chewing Gum TypeChewing gum possessing tooth cleaning effect and a teeth cleaning method description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060182693, Chewing gum possessing tooth cleaning effect and a teeth cleaning method. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS-REFERENCE TO RELATED APPLICATIONS [0001] The present application claims the benefit of priority from European Patent Application No. 05388006.8 filed on Jan. 28, 2005 and from European Patent Application No. 05388007.6 filed on Jan. 28, 2005. STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] Not Applicable REFERENCE TO A MICROFICHE APPENDIX [0003] Not Applicable BACKGROUND OF THE INVENTION [0004] The present invention relates to a chewing gum possessing tooth cleaning effects. [0005] Chewing gum suitable for temporary tooth cleaning is known. Such chewing gum is e.g. disclosed in the U.S. Pat. Nos. 5,380,530; 5,693,334; 6,365,130; and US patent publication No. 2004/0115247 A1. These types of chewing gum have only been capable to demonstrate a limited capacity for tooth cleaning for single day use or at the most for use during a few days when a toothbrush is accidentally not available. After such a day a thorough cleaning with toothbrush and toothpaste has been required. These types of chewing gum with tooth cleaning effect may be used as a supplement to daily cleaning with a toothbrush and toothpaste. [0006] Brushing of teeth with a toothbrush is, however, rather rough on the teeth and especially on the gingiva and will eventually lead to abrasive damage on the treated teeth or on the gingiva. [0007] For several decades professionals and also in general adults and particularly parents have been convinced that the only suitable method of properly cleaning teeth is daily use of a toothbrush and toothpaste. [0008] From time to time most people experience that a toothbrush is unavailable and then have to resort to using other means, such as a chewing gum or lozenges or using gargle, in order to at least obtain a sensation of fresh breath. But in doing so they are clearly aware that such use does not account to proper tooth cleaning. [0009] People continue to brush teeth daily even when they experience brushing damages or abrasive damages. They will sometimes change to use toothbrushes having softer brushes and many use electrical toothbrushes in order to obtain more favorable brush movements over the teeth and gingiva surfaces, but they do not dispense with tooth brushing as such. BRIEF SUMMARY OF THE INVENTION [0010] An object of the present invention is to provide a safe and easy-to-use dental care product for daily use. [0011] Consequently, the present invention relates to a chewing gum possessing tooth brush cleaning effects, excluding the tooth brush abrasive effect, which chewing gum when chewed on a daily basis functions to replace daily tooth brushing, whereby abrasive cleaning damages on teeth side surfaces and gingiva are avoided. [0012] Evidently, the present invention provides a surprising solution to the existing problem of how to clean teeth and at the same time avoid the highly undesired effect of causing abrasive damages on teeth side surfaces and gingiva. According to the present invention daily tooth brushing is replaced by chewing of chewing gum making teeth cleaning with toothbrush and toothpaste superfluous for extended periods of time, such as months or years. As a consequence the highly undesired effect of abrasive damages caused by toothbrush and toothpaste on the teeth and gingival is eliminated and the tooth cleaning thus made safe, while the cleaning quality of the teeth in general substantially corresponds to or is better than the cleaning quality obtained by toothbrush and toothpaste. [0013] The toothbrush abrasive effect is in the present context understood as the brushing effect causing abrasive damage on gingiva and the teeth side surfaces. The mechanism involved in development of these damages is understood in the following manner. During the brushing of teeth with a toothbrush, the toothbrush bristles push against the gingiva and cause exposure of the innermost portion of the tooth side surface. This portion of the tooth side surface normally lies well protected behind gingival tissue. This portion is weak in a mechanical sense because the enamel is thin or even missing in this portion. By the brushing the toothbrush bristles act abrading on this weak portion of the tooth side surface. The bristles also penetrate in between the gingiva and said weak portion of the tooth and can cause abrasive damage on the gingival tissue so that gingiva over time is worn down with the result that said weak portion is permanently exposed. With respect to the outer portion of the tooth the enamel is here so thick and strong that the toothbrush cannot in the outer portion really act with an abrasive effect in the sense of the present description. [0014] The chewing gum according to the present invention provides surprisingly a dental care product that can be used on a daily basis with teeth cleaning properties making teeth cleaning with toothbrush and toothpaste superfluous. Cleaning of teeth by daily chewing of the chewing gum makes it possible to avoid the abrasive damages on teeth and gingiva because the toothbrush is no longer required. [0015] The daily chewing of the chewing gum according to the invention is much easier and more convenient in use than the conventional toothbrush with toothpaste. This is in particular advantageous in case of children and disabled persons to whom handling of a toothbrush can be extremely difficult, which fact may very easily lead to the effect that the teeth cleaning becomes ineffective. Moreover, the daily chewing agent according to the invention can be used anywhere at any desired time, as there is no need for access to water, like e.g. in a bathroom. Consequently, the daily chewing agent according to the invention can be used when driving a car, during work, while watching television etc., thereby providing much more freedom to the user. [0016] Daily chewing of chewing gum according to the invention in replacement of the conventional toothbrush with toothpaste is of particular advantage to certain groups of people. Army and navy personnel stationed abroad and possibly in areas with poor facilities, such as sparse access to clean water, need not carry a conventional toothbrush and toothpaste. The same applies to scientists and explorers working for extended periods of time in remote areas. [0017] Chewing on a daily basis means chewing at least once a day in average seen over a period of e.g. a month. For improved cleaning effect of the chewing gum according to the invention it is preferred that chewing on a daily basis for tooth cleaning involves daily chewing of several pieces of the chewing gum. This will prolong the effects of teeth cleaning. The chewing on a daily basis for tooth cleaning can involve at least chewing in the morning and chewing in the evening. The chewing on a daily basis for tooth cleaning preferably involves chewing after a meal in order to neutralize food remains in the mouth, and chewing after every main meal consumed during the day is of particular advantage for maintaining clean teeth. Pieces of the chewing gum can be chewed several times per day, such as four or five times or more per day, and needless to say one fresh piece or more fresh pieces of chewing gum should be used for every new period of chewing. [0018] Preferably, the individual piece of chewing gum is for chewing for a predetermined period during which various agents are released into the mouth. The predetermined period can e.g. be from about 1 to about 5 minutes, or for longer than 5 minutes. It is preferred that the individual piece of chewing gum is for chewing for a period in the range from about 5 minutes to about 20 minutes, preferably longer than 10 minutes, which period allows active agents in the chewing gum to be released and given a sufficient time to affect the teeth and gingiva, and thereby e.g. break down plaque, calculus, provide fresh breath etc. This period provides sufficient time for release of the active agents. The individual piece of chewing gum can also be for chewing for longer than 20 minutes. [0019] According to an embodiment the chewing gum comprises gum base, at least one ingredient selected from the group consisting of whitening agents and fresh-breath agents, and at least two ingredients having at least two of the following effects: anti-plaque effect, anti-gingivitis effect, anti-calculus effect, or re-mineralization effect. It has appeared that a chewing gum based on gum base including at least one active cosmetic ingredient and at least two therapeutic ingredients can make the chewing gum very suitable as a chewing agent to replace daily tooth brushing. Continue reading about Chewing gum possessing tooth cleaning effect and a teeth cleaning method... 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