Numerous times I have read posts where people claim kibble has no effect on build of tar in cats and dogs. This is usually then supported by some random ass blog post from holistic vets, what ever that even means when it comes to animals. I will present peer reviewed scientific studies that show thr contrary. This does not mean that brushing shouldn't be done I'm just dispelling myths. Oral product are recommended for your cat or dogs teeth and gums, ask your vet and he will confirm. To access these articles without a subscription use sci hub.
Zinc is an essential trace mineral that is often added to diets for its antibacterial properties. It has also been proven to reduce plaque in cats. In association with this, bad breath, also known as halitosis, is reduced.
https://journals.sagepub.com/doi/10.1177/089875640101800401
https://journals.sagepub.com/doi/10.1177/089875640502200101
Polyphosphates can be used to coat the kibbles of both dog and cat dental diets.These compounds are effective at binding to minerals, in particular calcium, which would otherwise bind to plaque and harden to form tartar.Kibbles coated with this compound have been proven to prevent the formation of tartar on all teeth, and not just those involved in the mechanical breakdown of food (mainly the molars).
https://www.ncbi.nlm.nih.gov/m/pubmed/7574160/
https://journals.sagepub.com/doi/10.1177/089875640502200101
Cats and dogs fed a dry food diet have a greater oral health status, in regards to dental diseases and tartar accumulation, when compared to cats fed a wet food diet.
http://jn.nutrition.org/content/136/7/2021S
Similarly, when cats are fed only, or partially dry commercially prepared cat food as part of their feeding program, there is a reduction in tartar and gingival disease when compared to cats fed home prepared diets. Which goes against common bullshit home made raw diets.
Advantages of a dry diet are due to the abrasive properties, such as the patterning or texture of the kibble, which mechanically scrape teeth and aid in the removal of plaque buildup.The positive effects of a kibble on feline dental health are achieved in dry pet food formulations, and are not exclusive to diets which focus on dental health.
https://journals.sagepub.com/doi/10.1177/089875640502200101
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4494333/
Kibble size is also an important factor when creating a dental diet. Hennet et al. (2007) found that by increasing kibble size, tartar can be significantly decreased.This reduction in tartar correlates to the increased need to chew as kibble size increases.
https://journals.sagepub.com/doi/10.1177/089875640702400405
Homemade raw diets that include the feeding of meaty, raw bones to mechanically break down plaque and tartar have proven to be more of a risk than benefit.In addition to risking spoilage due to microbial and bacterial growth, fracturing of teeth is also common.
https://journals.sagepub.com/doi/10.1177/089875640502200101
The physical characteristics of dental kibble are very important as they contribute to the mechanical cleaning of the tooth's surface.
https://www.sciencedirect.com/science/article/abs/pii/S0195561606001045?via%3Dihub
The kibble need to be large and very dense to promote chewing, as more time spent chewing will aid in the decrease of accumulation of plaque, tartar and calculus. When the kibble is being chewed, the broken pieces rub against the tooth's surface and scrape off the buildup of bacteria that forms the tartar, plaque and calculus.Ingredients that have an adequate amount of carbohydrates and are high in insoluble fibers (typically around 10%), such as soy fiber, wheat bran fiber or cellulose fiber, are added to increase the density of the kibble to assure it does not easily crumble and promotes a texture favourable to scraping of the tooth.
https://journals.sagepub.com/doi/10.1177/089875641102800403
Increasing the diameter will also significantly reduce the accumulation of plaque and calculus compared to traditional dog food as it will require more chewing by the molars.
Regular dental check-ups by a veterinarian will assess the health of the mouth and jaw, and advise whether dental cleanings are required. These are all necessary and crucial steps to maintain oral health, and contribute to the overall health of a dog or cat.
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from Pets https://www.reddit.com/r/Pets/comments/c4ymqf/calling_out_some_bullshit_in_this_sub_about_oral/
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