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If your toddler goes to sleep with a bottle, you’re not alone, with new research revealing 30 percent of children are still bottle fed to sleep at two-years-old. But that same research has also led to a call for parents to ditch the bedtime bottle.

The Australian research has revealed a link between bottle feeding toddlers to sleep beyond 12 months and dental cavities and excess weight in early childhood.

The research, which was led by the University of Sydney, used data from more than 700 toddlers, who were studied from birth as part of Western Sydney University’s Healthy Smiles Healthy Kids (HSHK) study.

The mums of the toddlers were surveyed, and the children’s dental checks and body measurements were analysed. Researchers also took into account other factors that influence dental hygiene and weight.

They found that children who were bottle fed to sleep at two-years-old were almost twice as likely to be overweight in early childhood. And those who continued to be bottle fed to sleep at three-years-old had nearly twice as many teeth impacted by tooth decay in early childhood.

“Australian recommendations advise parents to start introducing cups at six months of age and stop using baby bottles at 12 months,” said University of Sydney lead author, and PhD candidate in the Susan Wakil School of Nursing and Midwifery, Heilok Cheng.

“Bottle feeding in bed is not recommended at any age. Our research now provides a much more robust evidence base for that advice.”

“Common toddler drinks, including cow’s milk and formula, often contain either natural or added sugars, increasing the risk of tooth decay. When a bottle is offered at bedtime it’s often being used by carers to calm an unsettled child or encourage the child to drift off to sleep. Because the bottle isn’t being offered in response to hunger, it can lead to overfeeding, putting children at risk of unhealthy weight gain.”

It’s prompted a call for governments to take action on childhood obesity, and explore the benefits of universal dental care.

“Recently obesity has overtaken tobacco as Australia’s biggest cause of preventable disease burden. Around one in four Australian children have overweight and obesity in this country is a slow-moving public health crisis,” said Adjunct Professor Terry Slevin, CEO, Public Health Association of Australia.

““With many children at risk of dental cavities, we are also asking the next Government to include dental care in Medicare – so that all Australians, no matter their background, can all afford a healthy smile. It’s important that all children can see a dentist early to identify and treat tooth decay as soon as possible, before it gets worse.” 

What do you think of the study? Let us know in the comments below.

  • I often wonder how they do this research and end up with the results they do. My children and other family members had bottles at bedtime and had none of the issues mentioned above. Everyone is so very different. I think these things are hard to believe and cause unnecessary worry for many new Mum. It seems everything causes something of concern.

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  • Not surprising at all, all the information I’ve come across has urged to stop bottle feeding by 18 months to stop tooth decay. I don’t give my little guy anything before bed. After brushing his teeth, that’s it for the night except for water. Hopefully all parents catch on and stop the unnecessary tooth pain

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  • Not surprising at all, all the information I’ve come across has urged to stop bottle feeding by 18 months to stop tooth decay. I don’t give my little guy anything before bed. After brushing his teeth, that’s it for the night except for water. Hopefully all parents catch on and stop the unnecessary tooth pain

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  • This is something we never ever did and were also advised numerous times by many different health professionals to not do. It is not something we had even considered because good dental hygiene means a clean mouth when sleeping for children and adults. It is so important to always practise good dental hygiene.

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  • Even though this isn’t really new “news”, it’s really helpful to see more and better evidence helping parents to make good choices. I think most parents try to do their best, and there’s so much conflicting advice that anything that’s evidence based is really valuable. Thank you for highlighting this .

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  • I stuck to guidelines when it came to amounts of formula and none just before naps.

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  • I grew up on milk in a cup at dinner time, and sometimes wanting a warm cup of milk before bed so it’s no stranger that my children have the same routine but when I heard about the dental impacts we made sure they are drinking it from a sippie cup not a bottle as we as still milk lovers in this house

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  • I used to put my youngest to bed with a bottle but that stopped as soon as he was old enough to drink from a sippee cup. If he did need a bottle at bed time it would be water. He never had trouble with his teeth until he had his front teeth knocked out by a teammate while playing hockey. He was 7 at the time. He is also very slim unlike me

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  • Well it’s hardly surprising when you think about it logically. Cow’s milk is designed to make a calf put on a LOT of weight quickly. It is not the same as natural human milk, which is designed to help a baby gain the right amount of weight. Add to that people giving a bottle for their child to go to sleep, well they fall asleep with milk in their mouth, which does have sugars in it.

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  • I think this is not new information and it makes a lot of sense indeed. Personally I never bottle fed our toddlers to sleep for exactly these reasons. By the time they are toddlers bottle feeds are actually not needed anymore. Food and drinks can be given at other times during the day and there are other ways to get our toddlers to sleep.

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  • Definitely makes sense as to why it would cause tooth decay. Milk does contain sugar and like all foods and drinks, brushing your teeth before bed is the best routine you can have for your child. We have always done this and so far our kids havent had any issues thankgod!

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  • This makes complete sense once they have teeth. As adults we brush our teeth right before bed and also teach our kids to do the same so that food/drink isn’t stuck on your teeth over night so babies should be the same. I was ensured with my last that breastfeeding was the exception though.

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  • Even 18 years ago I was told not to feed my eldest to sleep because it promoted tooth decay, so that part of this is not new. It’s interesting to see more solid evidence though. It’s also interesting to see the other negative effects. I know it’s sometimes easier, but clearly it’s something to avoid.

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