Concerns About Swallowing Water During Dental Cleaning Procedures - Dentistry

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Questions about dental cleaning?


Hello, a few days ago during a teeth cleaning procedure, I accidentally swallowed some water because the suction tube wasn't in place.
I swallowed a few mouthfuls of the dental cleaning solution and some blood.
Did I also swallow the plaque that was removed? What harm could this cause to my body? Is there any risk in swallowing it? What kind of water is that? Thank you.

Admin, 20~29 year old female. Ask Date: 2023/09/05

Dr. Lin Jiayong reply Dentistry


Hello: In the standards for dental clinics or hospitals, it is stipulated that the microbial count of the water used must meet drinking water standards, so consuming treatment water is not a problem.
As for blood, since it is part of the systemic circulation, swallowing one's own blood into the digestive tract is also not an issue.
Dental calculus or plaque is solid, so the amount swallowed is unlikely to be significant (unless there are issues with the gag reflex).
If there are clinical symptoms of acute gastrointestinal inflammation (such as vomiting, nausea, diarrhea, abdominal pain, bloating, etc.), it is recommended to consult a gastroenterologist to determine if further evaluation or treatment is necessary.

Reply Date: 2023/09/05

More Info


Swallowing water during dental cleaning procedures can understandably cause concern, especially if it involves water mixed with saliva, blood, or debris from the mouth. However, it is important to clarify a few points regarding the safety and implications of accidentally swallowing this fluid.

Firstly, the water used during dental cleanings is typically sterile or treated to minimize the risk of infection. Dentists often use a saline solution or a specially formulated rinse that is safe for oral use. While it may contain some bacteria or debris, the amount is generally minimal and not likely to cause harm if swallowed in small quantities. The human digestive system is equipped to handle a variety of substances, including bacteria, without significant risk of illness.
Regarding the concern about swallowing dental plaque or calculus that may have been dislodged during the cleaning, it is important to note that the body has mechanisms to deal with such materials. The digestive system can break down and eliminate bacteria and other organic matter without causing health issues. However, if you have underlying health conditions or a compromised immune system, it is always wise to consult with a healthcare professional for personalized advice.

If you accidentally swallowed a larger amount of blood, it may cause some temporary discomfort, such as nausea or an upset stomach, but it is not typically harmful. Blood is a natural substance that the body can process. If you experience persistent symptoms such as abdominal pain, vomiting, or any unusual reactions, it would be prudent to seek medical attention.

In terms of the cleaning process itself, dental professionals are trained to minimize the risk of swallowing water or debris. They often use suction devices to remove excess fluids and debris from the mouth during procedures. If you find that you are frequently swallowing water during dental visits, you might want to communicate this with your dentist. They can adjust their technique or provide additional suction to help manage the situation better.

To summarize, while swallowing a small amount of water mixed with saliva, blood, or dental debris during a cleaning procedure can be concerning, it is generally not harmful. The body is capable of handling such substances, and any discomfort is usually temporary. If you have ongoing concerns or experience adverse symptoms, it is always best to consult with your dentist or a healthcare provider for reassurance and guidance. Regular dental check-ups and cleanings are essential for maintaining oral health, so don't let this incident deter you from seeking necessary dental care in the future.

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