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Good oral hygiene involves more than just brushing or flossing, as most people think. These methods are really good, but do not give a 100% result. For this, such a dental device as an irrigator was invented. In this article, we'll take a look at Aquajet's reference irrigators for home use, analyze the differences between the LD A8 and A7 models, and discuss why they are really worth the money.
The content of the article
- How an irrigator works
- Irrigator Aquajet LD A7: characteristics
- Irrigator Aquajet LD A8: characteristics
How an irrigator works
The device performs the function of additional cleaning of the oral cavity, namely, it penetrates into the space between the teeth, comfortably cleans dentures and braces. The principle of operation is that water or a treatment solution is supplied through a device under controlled pressure. This method is especially effective for densely standing teeth - with a regular brush we clean only the open parts of the enamel, and we don’t reach between the teeth.
Important! The irrigator will give a full-fledged result only in combination with traditional methods of brushing your teeth.
Fluid can be supplied in various modes:
- continuous;
- micropulsation;
- bubbles.
The hydraulic pump pumps the liquid into the device and transfers it to the surface to be cleaned. You will not feel any pain, because the pressure is minimal and it can be adjusted with regulators.
Irrigator Aquajet LD A7: characteristics

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Dimensions of the device - 18x14.5x17.5 cm. Weight about 1300 gr. The pulse frequency is 1200 beats per minute. The volume of the tank allows you to brush your teeth for 10-15 minutes without interruption. The device is networked, the length of the cord is 1.7 meters.
A feature of the device is 4 high-speed liquid supply modes, automatic shutdown after 10 minutes of inactivity and smooth adjustment of the supplied pressure.
Based on reviews on the Internet, we made up the pros and cons of this device:
Positive sides:
- warranty service during the year;
- ergonomic design and ease of use;
- the result of cleaning is noticeable after 1-2 weeks;
- effectively copes with coffee and nicotine plaque.
Minuses:
- excessive noise;
- complete set without additional nozzles;
- improper use and prolonged pressure can damage the gums.
Irrigator Aquajet LD A8: characteristics
The dimensions of the device are 18x16.5x11.5 cm. Weight more than the previous one - 1470 gr. Similar to model 7, it produces 1200 pulsations per minute. Also works in 4 speed modes. A clear difference is that the cord is shortened by 30 cm.
Package Included:
- device and tank;
- user manual;
- 5 interchangeable nozzles;
- fasteners.
According to reviews on the network, this model was not spared by critics. Among the advantages are:
- excellent performance;
- there is a device of a smaller version for children;
- long service life.
Flaws:
- short cord;
- very noisy at maximum power.
Irrigators 7 and 8 models from Aquajet cost about 3-4 thousand rubles in stores and are in no way inferior to more expensive models. No significant differences between the devices were found, with the exception of the 8th model, the cord is shorter and there are more attachments. For the rest, you can look closely at any of the presented irrigators - recommended by users!