How Much You Know About The Micro Motor Handpiece?

Electric micromotor dental units are available alone, as slow speed handpieces for polishing and drilling, or combined with an ultrasonic scaler.

How It Works

The dental portable unit can polish or cut. The handpiece is driven by an electric motor in the handle. The polishing cup, or bur, can variably rotate from 0 to 30,000 rpm and go forward or reverse. It provides a very high torque. A diamond wheel is extremely hard and may last 2 to 5 years depending on use. When choosing a dental model trimmer, be sure to choose a vendor that stands behind their product. This will be a well-used piece of equipment and buying it from a vendor offering a 5 or 10-year warranty can provide substantial piece of mind. The handpiece can take a prophy angle, with polishing cups, or a contra-angle, with various attachments, including RA burs and polishing cups. Only a few units have a water-cooling facility.

Long HP burs can also be used in the nose cone (when the prophy angle is removed). They are used principally for trimming small herbivore cheek teeth.

Advantages

Relatively inexpensive, compared with an air driven unit.

Generally small, compact and mobile.

High-speed Hand Piece

The high-speed hand piece is capable of up to 400,000 rpm. It takes friction grip burs (FG) and has a water cooling facility for the bur. The water flow supplied to the hand piece can be varied or switched off completely.Features include a swing-open front housing for ease of cleaning and wheel changing, internal gutter to facilitate water runoff, full wheel radius water spray for efficient wheel cleaning, drain trough which completely surrounds the model tray to prevent water leakage, large 1" [2.5cm] diameter water exhaust, motor cover with removable top plastic utility tray. Lower torque feature for those who perform fewer model trimming operations. Shipped complete, ready for use with minor set-up. Finished with a durable, baked coating.

The micro motor handpiece provides low torque, which causes the bur to stall if pressed too hard onto the tooth (over 1-2 ounces of pressure).

The requirements laid down in national and international standards and draft standards provide helpful guidelines for optimum illumination. General room illumination with 500 lx and illumination of the working area with 1000 lx are best achieved with a larger number of fluorescent lamps on the ceiling above and in front of the dental chair. Daylight white lamps with good color rendering are a good combination with changing daylight and the color of light of the operating light. The color of external skin, mucous membrane and teeth appears natural. The eight surgical lights examined differ in quality.

It is used for the drilling of access points into teeth, for high speed sectioning of teeth during extraction and cutting or re-modelling of bone.

Source from：

http://www.weshare.com.hk/evaeva/articles/4632219

How Does the Dental Implant Motor Make Help To Teeth

What is a dental implant?

A dental implant is one kind of dental equipment for sale and an artificial tooth root that is surgically anchored into your jaw to hold a replacement tooth or bridge in place. The benefit of using implants is that they don't rely on neighboring teeth for support and they are permanent and stable. Implants are a good solution to tooth loss because they look and feel like natural teeth.

Can anyone receive dental implants?

Talk with your dentist about whether you are an implant candidate. You must be in good health and have the proper bone structure and healthy gums for the implant to stay in place. People who are unable to wear dentures may also be good candidates. If you suffer from chronic problems, such as clenching or bruxism, or systemic diseases, such as diabetes, the success rate for implants decreases dramatically. Additionally, people who smoke or drink alcohol may not be good candidates.

And among the dental equipment, the dental implant motor is one important part that is made from different types of metallic and bone-like ceramic materials that are compatible with body tissue. There are different types of dental implants: the first is placed directly into the jaw bone, like natural tooth roots; the second is used when the jaw structure is limited, therefore, a custom-made metal framework fits directly on the existing bone.

How do they work?

Strategically placed, implants can now be used to support permanently cemented bridges, eliminating the need for a denture. The cost tends to be greater, but the implants and bridges more closely resemble real teeth. The dentist must perform surgery to anchor the "artificial root" into or on your jaw bone. The procedure is done in the dental office with local anesthesia. The gum is then secured over the implant, which will remain covered until it fuses with the bone. The dentist then uncovers the implant and attaches an extension, or post, to the implant. With some implants, the implant and post are a single unit placed in the mouth during the initial surgery. Finally, the dentist makes an artificial tooth, or crown, that is attached to the implant post.

Related articles:

The Modern Technology of Dental Implant

Some Information about Dental Implant Surface

The Information about Dental Air Cleaning

The air in dental surgeries has a variety of microbiological particulates and aerosols generated from ultrasonic scaler and high-speed drills. They vary in size from 0.5 to 5 microns in diameter and can remain airborne for many hours.
Dentists and their staff can easily inhale the viruses and bacteria contained within the aerosols, with facemasks offering no protection against this fine particulate pollution. Capturing these microorganisms reduces the risk of cross-infection - for the patient, the dentist and the team.
Dental Surgeries use chemical disinfectants to decontaminate hands, surfaces and instruments. While eliminating viruses, germs and fungal spores, disinfectants often contain toxic agents such as aldehydes (formaldehyde and glutaraldehyde) or phenol. Continuous low-level exposure to aldehydes can have negative health effects, such as breathing difficulties, memory impairment, eye and skin irritation and irregular heartbeat. Toxic compounds such as isopropanol, ethanol and n-propanol can also cause irritation of the respiratory tract and the mucous membranes.
Mercury Vapours
Recent research studies have found that both dentists and their staff have a higher than average level of mercury in their body. Mercury is used in the amalgam for routine dental fillings. Mercury transforms from a solid to a gas at room temperature. The gas (which is the most easily absorbed type of mercury) can be inhaled when amalgam is placed in the mouth or removed. Mercury is highly toxic and humans should not be exposed to it.
With this news and patients becoming more health conscious, requests for amalgam removals by dental amalgamator are rising steadily. It is therefore now more important than ever, for dentists to protect themselves and their team from this harmful substance.
Dental Air Conditioning
It is now commonplace for dentists to have air-conditioning systems installed. These installation systems are, however, often a source of contamination themselves, either because they are equipped with less then adequate filtration or because they are drawing in polluted air from outside without filtering it sufficiently. Indoor air contamination can be many times greater than external conditions, and dental air cleaning is required.
Prompted by an ever growing number of dentist offices as customers, Commercial Air Filtration specifies the IQAir Dental Series which has been developed to provide a flexible, cost effective, silent and low maintenance air cleaning solution for dental practices.

Source from: http://www.chinadentalsupplier.com/2017/08/19/the-information-about-dental-air-cleaning/

How Does The Denture Injection System Works

As a lab owner, I am constantly looking at ways to improve the quality and service we give to the profession

When it comes to processing the dentures we as with most dental laboratories across the world use the conventional way of processing, namely, Flask and Pack and Press. Due to the growing private market, coupled with higher patient expectations, as a laboratory owner I was aware that although this time age system does work perfectly well in most instances, there were issues, i.e.: the risk of an open bite through over packing or not closing the flask adequately being one. I felt it was an issue we needed to address, to ensure the predictable results required.

Below I have listed a shortened version without all the small details of the process using the denture injection system.

The flasks have a cutaway shape into which a ‘plastic space maintainer’ is fitted, this will later be replaced with an ‘injection socket’. The base of the flask into which the waxed up denture is set, has a small hole that requires covering with wet tissue, this aids the deflasking process. Other than that the investing process for the denture is quit conventional. During investing, a wax sprue is attached that must not be more than 7mm in diameter, one to the posterior edge for upper dentures and one to each posterior border of lower dentures in a ‘Y’ shape. After applying a separator I use a silicon insulating material such as Flexistone Plus by Detax, to coverthe buccal surface of the denture up to the occlusal or incisal surface this produces a very clean and smooth surface which requires minimum finishing.

I was already aware that there were several advantages to be gained by using an injection system.

•Greater accuracy of the fit surface.

•Assured vertical dimension, due to the closed flask employed in the process.

•Increase in the density of the dentist equipment for sale; this increase should also enhance them of the denture base. It was sometimes difficult to acquire all the technical information I needed to make the right decisions. Obviously all the manufacturers want to sell their system so they may not have been always open about all the Pro’s and the Con’s of their particular systems. All of the systems on the market that I looked at required the use of special flasks for investing stage, however most were quite straight forward using plaster in the convention way to create a two part mould. I slowly narrowed down my list of available systems and at this stage approached the one manufacturer whose system I thought looked most promising.

How To Choose A Good Dental Intraoral Camera

Intraoral cameras have incredible technological features.

With LED lighting, a head that rotates from 0 to 90 degrees, and powerful magnifying capabilities (some cameras can zoom in up to 100x), your dentist can examine your mouth in extreme detail. This means he or she can make diagnoses more accurately. The office can attach these photos to your health record to make tracking any changes simple.

Additionally, because the visuals from the intraoral camera appear on the monitor as they’re taken, your dentist can discuss your oral health with you while you both see the images or footage.

How To  Choose A Good Dental Intraoral Camera

Each feature that benefits the dentist also benefits the patient—maybe even more. Your dentist understands symptoms and conditions thoroughly, but it’s often difficult to explain precisely what is happening in a patient’s mouth using just a mouth mirror, which is small and hard to see, or an x-ray image, which takes time to print and doesn’t display images clearly.

When your dentist uses an intraoral camera during your examination, however, you’re seeing exactly what he or she sees right then. Dentists can display clear, colorful images, allowing them to point out any issues and discuss them with you immediately. You’ll certainly learn a lot about your mouth! And the later you will see and understand, it can be used with the dental handpiece,too.

Many offices will print or email images for their patients so you can refer to them at home look for changes yourself. Because these images are processed immediately, it saves you time.the more confident you can be when making treatment decisions.