Home

What is tooth filling

TEETH FILLING - BEFORE AND AFTER !! - YouTube

What are dental fillings? Dental fillings are single or combinations of metals, plastics, glass or other materials used to repair or restore teeth. One of the most popular uses of fillings is to fill an area of tooth that your dentist has removed due to decay - a cavity A dental filling is a dental procedure used to restore part of a tooth that has been damaged by decay. The objective with a filling is to remove the decayed area, clean it well, and fill the space with a material, returning the tooth to its normal shape and, hopefully, normal function To treat a cavity your dentist will remove the decayed portion of the tooth and then fill the area on the tooth where the decayed material was removed. Fillings are also used to repair cracked or..

Dental Fillings: Materials, Types, Sensitivity & Allergy

  1. A tooth filling is a type of dental restoration which repairs damage caused by tooth decay and prolongs the life of the tooth. Fillings are an effective way to repair damage from tooth decay Fillings are a very common dental procedure - as many as 80% of adults end up with at least one filling during their lifetimes, and most people have several
  2. A dental filling or remediation is a treatment to restore the kind and function of a tooth that's been damaged, typically by decay. After the dental expert removes any decay or infected tissue, a filling is put to prevent further damage and bring back the tooth
  3. The most common use of tooth fillings is to fill a cavity in the tooth. But tooth fillings also can be used to repair damage to teeth caused by teeth grinding (bruxism) or to replace part of a broken tooth. Types of Cavity Fillings
  4. A dental filling can replace parts of a damaged tooth and prevent further decay. Although fillings are usually permanent, your doctor might initially treat tooth decay with a temporary filling...
  5. A composite filling is made from a tooth-colored resin material, designed to make a filling look more natural. It is a mixture of resin and filler, and the proportions can be adjusted as needed for strength
  6. Cons: Composite fillings can stain or discolor over time, just like your teeth. Fillings That Release Fluoride. The newer options for dental fillings include glass ionomers, made of acrylic acids.
  7. What is a Tooth Filling? Tooth fillings help your dentist restore cavities so that they won't turn into bigger dental problems later. They repair cracks and fractures in your teeth, plus fill in small holes caused by tooth decay in order for you to regain full tooth functionality

Fillings are done to reduce the pain caused by cavities and to eliminate the possibility of serious infection. If left untreated, a cavity can reach the tooth's pulp, causing intense pain... To treat a cavity your dentist will remove the decayed portion of the tooth and then fill the area on the tooth where the decayed material once lived. Fillings are also used to repair cracked or broken teeth and teeth that have been worn down from misuse (such as from nail-biting or tooth grinding). What steps are involved in filling a tooth A dental filling is used to repair damage to your teeth, such as decay, fractures, or chips. If you are planning to go to the dentist and think you might need some fillings, you might wonder how much a filling costs. Your dental insurance may cover the cost of a filling, or you may need to cover all or a portion of the cost

When You Need a Dental Filling + What to Expec

Teeth Bonding seems to be shrouded in mystery. Often times, it's as simple as having a filling done in your front tooth; but even that is something that most.. Dental amalgam is a mixture of mercury, silver, tin and copper. Mercury, which makes up about 50% of the compound, binds the metals together to provide a strong, durable filling. When combined with the other metals, the mercury in fillings forms a safe, stable compound. This type of filling has been around since 1895 What are composite fillings? Composite fillings are strong, but may not be as hard wearing as amalgam fillings. Composite fillings are tooth coloured and are made from powdered glass quartz, silica or other ceramic particles added to a resin base. After the tooth is prepared, the filling is bonded onto the area and a light shone onto it to set it A composite filling is made from tooth-colored resin material mixed with powdered glass. This type of composite resin has been used to fill cavities since the 1960s. Composite fillings may be a: Indirect filling: Shaped to fit around the tooth. Direct or indirect, the type of filling is determined by the size of the restoration The American Dental Association supports the use of dental amalgam as a safe, reliable and effective treatment for dental decay. Dental amalgam is often used to fill large areas of decay on back teeth. Generally, replacing metal dental fillings for cosmetic reasons should only be done after careful consideration and if your dentist feels it won.

Dental Tooth Filling, Dental Tooth Filling Material Temporary Stopping for Dental Root Canal Treatment After heating, it can be softened evenly within 30 ~ 40 seconds and has proper plasticity. It is very convenient and quick to use Why a Homemade Tooth Filling? Unfortunately, even with the best efforts at keeping them healthy, our teeth are not indestructible. Injury to the mouth can easily come with an array of dental problems ranging from a broken or chipped tooth to a completely damaged tooth Dental Filling is a treatment modality to restore missing tooth structure which could have been a result of decay or trauma. Decay makes tooth hollow. Dental Filling helps to fill this gap and protect it from further decay A filling is a dental procedure that involves a dentist cleaning away any decay from the tooth and then filling the space with a new material. After injecting a numbing agent around the tooth, the.. A tooth filling is a method of treating cavities done by dentists, in your teeth. There are two types of tooth filling methods. Permanent Tooth Filling. Temporary tooth filling. A filling can restore the damaged tooth to normal function. Cavities are caused by decaying the tooth because of bad oral hygiene. To treat the cavities, first, we need.

Case Study: Composite Front Teeth Repairs | Southview

Dental fillings are a common treatment for cavities, but they can also fix broken, cracked, chipped or worn teeth. Whether or not you need a cavity filled, a cracked tooth preserved, or another kind of dental repair or restoration, the cost of dental fillings should not come between you and a healthy smile Fillings Fillings are used to repair a cavity in your tooth caused by decay. Your dentist will offer you the type of filling they consider clinically necessary. The most common type of filling is dental amalgam, made from a mixture of different metals A dental filling is a procedure used to fill a hole, or cavity, in a tooth. You may need a filling if you have tooth decay or if the structure of the tooth is lost due to trauma. These problems may be found when you have a dental x-ray. What types of filling are there Dental fillings help to restore cavities and bring a damaged tooth back to its usual function and shape. These fillings plug the holes in our teeth caused by decay and wear, ensuring teeth are healthy and can continue functioning without further decay or becoming a bigger issue. Find a smile.com.au dentist near you A dental filling is usually a two-part step. It is first the removal of decaying tooth matter, caused by cavities, or alternately, the removal of damaged tooth matter caused by injury. Secondly, the dentist applies different materials, to fill the removed portion of the tooth, which allows the person to have full function of that tooth

This dental filling is known for its ability to release fluoride, which helps the durability of your tooth and preventing decay. However, glass ionomer is more delicate than most of the dental fillings. A proper care of the dental filling will prevent you from corroding easily A dental inlay is a pre-molded filling fitted into the grooves of your tooth. It's most often used as restoration for cavities (also known as dental caries) that are centered in your tooth instead of along the outer edges or cusps. These cavities have usually not progressed into more extensive tooth decay Temporary dental fillings may only last a few weeks. Some dentists prefer to first treat some cavities with a temporary filling after removing some of the tooth decay. This approach is usually done for cavities that are large and decayed enough to run the risk of further tooth damage if a permanent filling is applied right away White dental fillings are made from plastic and glass or quartz particles mixed with a synthetic resin —a soft, sticky substance that helps in molding the filling perfectly to the shape of your tooth. Then a special curing light is used to harden the filling and bond it to your tooth on a microscopic level Tooth decay. Once a tooth is filled, many patients believe the problem is permanently fixed. Over time, however, the margins of the filling can shrink. This can allow bacteria to move underneath the filling, causing tooth decay and even recurrent caries. This tooth decay can loosen the filling, causing a broken filling. Trauma or injury. Any.

Dental Fillings: Gold, Amalgam, Composite, Ceramic and Mor

Dental amalgam, sometimes called a silver-filling due to its appearance, is a mixture of mercury, silver, copper, tin and zinc used to fill cavities in teeth. Dental amalgam is approximately. The filling will replace the part of your tooth the decay destroyed. During the cavity filling process, your dentist will mold the filling to match the shape of your tooth. This ensures the filling restores your tooth's natural strength and integrity. At the same time, a dental filling procedure will ensure future decay can't enter the area The two most common types of tooth fillings are resin-based composite fillings and dental amalgam fillings. Also known as white cavity fillings or tooth-colored fillings, resin-based composite fillings typically blend in with your teeth and look more natural. They are typically made up of a mixture of plastic and glass or quartz filler To avoid dental health problems, fillings are placed into the teeth to prevent tooth decay and retain its functions. According to www.dentalex.com.au here is a list of the different filling materials and the conditions that can be best used for

A tooth filling is where material (such as porcelain inlay/onlay or composite) is inserted into a damaged or decayed tooth to restore its original shape and function. This can be either a dental inlay (fills centre of tooth) or onlay (more extensive than an inlay and can cover up to the entire biting surface of a tooth) A filling is a treatment approach to reestablish a tooth which has been harmed by decay, back to its normal function and shape. When a dental specialist gives you a filling, the dentist first scoops out the rotted tooth material, cleans the infected area, and afterwards, fills the cleaned area with a hard filling material Silver Amalgam Fillings. This is the most widely known type of filling. Silver amalgam isn't just silver—it's a mixture of minerals that's 50 percent silver, tin, zinc, and copper, and 50 percent mercury. 1  It's a popular choice for fillings among dentists because it's strong, durable, and doesn't cost a lot Dental fillings will always be a better option for the long term, though. The good news is that like dental bonding, fillings can mimick the appearance of the host tooth. For back teeth, however, Houston dentists recommend getting metal fillings. If the filling would be too large for the tooth, a dental crown is better Dental amalgam is a dental filling material used to fill cavities caused by tooth decay. Dental amalgam is a mixture of metals, consisting of liquid (elemental) mercury and a powdered alloy.

Dental amalgam is a mixture of a liquid and a powder that is triturated (mixed together very vigorously by a machine) to form a malleable material that hardens within a few minutes. The liquid is elemental mercury, and the powder is a blend of silver, tin, and copper. Many people call this type of filling a silver filling or metal. Prices for a front tooth filling with composite resin or tooth colored plastic can cost up to $325². Fillings made from porcelain or gold are the most expensive and can cost thousands of dollars depending on the quality of the material and the location and size of the cavity.³ A loose filling is more than an inconvenience. Dental fillings protect sensitive areas of your teeth from the outside environment. A loose filling can lead to decay beneath the tooth, heightened sensitivity, or even a root canal infection Tooth fillings that are usually lowest in cost are silver amalgam fillings, which normally cost between $50 and $200. The exact cost of your filling will vary based on factors such as the tooth being filled, the size of the filling, and the geographical location of your dental provider

how to do tooth filling What is Temporary Tooth Filling. As the name indicates, the temporary filling is the filling which is used for a short duration of time. The temporary filling can be used for various reasons, which we will discuss further, unlike the permanent filling or restoration, the temporary filling is very weak and it slowly starts getting dissolved due to the saliva A dental filling is usually suggested for small cavities with minor decay. A simple toothache is the most common sign you need a filling, but there are other signs to look out for as well. This includes sensitivity to hot and cold temperatures, pain when biting down or chewing, and a visible hole you can see or feel in your teeth

The edge of your temporary filling may be near the edge of your tooth. If this is the case, floss may get caught near the edge of the filling and cause it to become loose. To be safe, you should take care to pull the floss between the teeth and out of the side, instead of pulling the floss up or down Dental Filling Procedure. The procedure for a dental filling is used to repair minor fractures or decay in the teeth, as a form of restorative dental treatment. A dental filling can help to even. A tooth-colored filling or, in some cases, an amalgam filling, is used to fill in the area. Tooth Sensitivity Right After A Filling. After receiving a filling, it's not uncommon to experience sensitivity in that tooth and the surrounding areas

Filling the tooth; Composite If your dentist is using a white composite filling, the procedure involves a couple of steps, which will vary slightly depending on the particular system used. They will first select the right shade for your tooth, using a shade guide which has a number of different coloured tabs to see how white or yellow your. Fillings vary based on the material used to fill the damaged tooth. Two common varieties are metal amalgam fillings — which are usually made with a combination of silver and metal alloys — and composite fillings. Composite fillings are made from a mixture of hard, plastic-based materials that can be easily colored to resemble a natural tooth The tooth restoration process focuses on restoring the missing tooth to as close as its original form and functions. Tooth filling is a quick-fix and teeth restoration is a long term solution. Avoid too many sugar snacks such as cookies, cakes and other desserts throughout the day, as it can lead to tooth decay 2. Before the Dental Filling is Placed. The dentist may place a protective liner or base to protect the nerve under the cavity. If the restoration is to be bonded to the tooth, as is the cased with a white filling, then a chemical is applied to clean (etch) the tooth to help strengthen this bond A filling is a process to restore and shape decay tooth so that it can start functioning properly. During filling your dentist will remove the decayed teeth material and cleanse the space to make it free from bacteria. In a final stage, the dentist will fill the cleaned area with a filling material

Tooth Filling Costs, Types, Procedure and What to Expec

  1. The biggest threat to your oral health is tooth decay. Although cavities are preventable, the Centers for Disease Control and Prevention estimates at least 92% of adults have had at least one in a permanent tooth.If you're among those who have had a cavity, a filling was probably used to treat it
  2. Tooth sensitivity:A tooth that has just had a filling placed are going to be more sensitive to hot foodsand cold foods, air temperature, and therefore the pressure of biting. this sort of tooth pain after filling a cavity should resolve within a couple of weeks
  3. If a patient experiences tooth sensitivity or pain even months after a cavity filling, one can assume an underlying cause. The standard timeframe for tooth sensitivity after filling up a decay should only be a few days to a few weeks. If the tooth sensitivity continues after this timeframe, it is a sign that there is something wrong

Dental Fillings: Types (Materials), Pros and Cons

A dental filling is a type of restorative dentistry treatment used to repair minimal tooth fractures, tooth decay or otherwise damaged surfaces of the teeth. Dental filling materials, which include composite, porcelain and silver amalgam, may be used to even out tooth surfaces for better biting or chewing Fillings. Fillings, while more expensive than basic dental check-ups, both fix cavities and protect your mouth's future health. Most filling treatments hold stable prices in the following ranges: $50 to $150 for a single, silver amalgam filling. $90 to $250 for a single, tooth-colored composite filling

Cavity Fillings: What to Expect, Types & Potential Problem

Tooth fillings are an effective option to restore decayed, broken, worn-down, chipped, or cracked teeth. They help to even out the surface of the damaged teeth to improve their functionality and shape while preventing further decay. The following are a few benefits of having tooth fillings Less common than other tooth fillings are ceramic fillings and glass ionomer fillings. Ceramic tooth fillings are usually made from porcelain, are extremely durable and can last well over 15 years. They are quite expensive though, even more so than gold, so many patients tend to steer away from ceramic tooth fillings If the tooth cannot be kept perfectly dry during placement, the restoration will fail. Since composite resin chemically bonds to the tooth, it is not necessary to remove as much tooth structure when preparing a tooth for a composite resin filling, as compared to an amalgam filling

Temporary Filling: Durability, Care Instructions, Procedur

What is a Composite Filling? - The Dental Guide US

Mercury poisoning symptoms can arise from dental amalgam mercury fillings, also called silver fillings, as they continuously release mercury vapo Buccal: A buccal filling can be a tooth filling restoration or a silver amalgam, nowadays it is advised to use the tooth colored sinc eit is stronger for the tooth. The decay is removed from the tooth and the filling is then bonded into placed and adjusted so there are no rough edges. 4.8k views Reviewed >2 years ago DIY at home instructions for making your own temporary filling when you can't afford to or won't go to a dentist A dental filling is a dental restoration fabricated to artificially restore the function, anatomy and integrity of teeth that have been damaged by trauma or dental caries, also known as dental cavities or dental decay. There are seven types of dental fillings (restorations) in two categories: Direct and Indirect

A cracked filling is a dental restoration in your tooth that has failed because it has broken into pieces. What causes a Cracked Filling? A filling can crack when it is old, large or it has too much biting pressure on it. It can also crack if the tooth structure under the filling has softened A filling does not happen in areas of the tooth where there are nerves, so you shouldn't feel any more pain from the procedure than you would feel from cutting your hair. No nerves = no pain. Of course, some people have more sensitive teeth or require deeper fillings that come closer to the nerve Getting dental fillings to treat a cavity is a routine dental procedure. Placement of the dental filling is accomplished by the dentist near me after removing the decay in your tooth and cleaning the hollow space Tooth-colored fillings are now used more often than amalgam or gold fillings, probably due to cosmetics. In a society focused on a white, bright smile, people tend to want fillings that blend with the natural color of their teeth. Ultimately, the best dental filling is no dental filling. Prevention is the best medicine

How to Pick the Right Fillings for Your Teet

The procedure entails substituting decayed tooth material with fillings, which can be made from resin, ionomers, gold, amalgam, or ceramics. What Should I Expect? This may seem daunting, but the procedure for tooth cavity filling is relatively easy and forthright and is performed in the dentist's office A dental filling is a type of restorative dentistry treatment used to repair minimal tooth fractures, tooth decay or otherwise damaged surfaces of the teeth. Filling materials, which include composite, porcelain and silver amalgam, may be used to even out tooth surfaces for better biting or chewing. Enamel loss is a common component of tooth. Fillings made from amalgam are fifty percent mercury, with other metals like copper, tin, and zinc that make up the rest. Amalgam or silver fillings have long been considered the best option for dental fillings because they are affordable and durable. In fact, they can last for years with proper care. But, recently a debate has been brewing. Sensitive teeth are typically the result of worn tooth enamel or exposed tooth roots. Sometimes, however, tooth discomfort is caused by other factors, such as a cavity, a cracked or chipped tooth, a worn filling, or gum disease A filling or crown does not protect the pulp of a bumped or hit tooth. Pain may develop quickly after the injury or slowly many years later. The result could be an inflamed or infected pulp that produces mild to severe pain, according to the University Of Iowa College Of Dentistry 3. Appropriately treating the pulp is necessary

What is a tooth filling? A tooth filling is part of restorative dentistry. It consists of replacing tissue damaged by decay, wear, or by a defective enamel with a material to prevent the worsening of the tooth problem. Different materials can be used: gold, amalgam, composite, and ceramic Filling materials earlier ranged from silver amalgam fillings to cements like glass ionomer.But now the most widely used option is composite material, a kind of plastic that is soft before and hardens while chemically bonding to your teeth when cured with a UV light Dental fillings are very common in dentistry, with many patients receiving at least one filling at some point in time. However, the materials used for fillings have changed over the years. Nonetheless, there are still a variety of materials a dentist may use Dental restoration, dental fillings, or simply fillings, are treatments used to restore the function, integrity, and morphology of missing tooth structure resulting from caries or external trauma as well as to the replacement of such structure supported by dental implants. They are of two broad types—direct and indirect—and are further classified by location and size Tooth restoration is a treatment to fix a cavity in your tooth. The cavity leaves behind a hole, and a restoration doesn't just fill that hole, but recreates the original tooth as much as possible. This includes the color, function, and shape of the tooth

Do I Need a Tooth Filling? 10 Ways to Tell if You Need a

If there is an existing filling in your tooth, your dentist will remove it prior to placement. Any cavitated tooth tissue is also removed, which leaves a hollowed out cavity. Then, your dentist prepares and shapes your tooth, allowing for easier placement of the inlay or onlay. Step 2 - Impression of the tooth (inlay/onlay mold A composite filling is made from a tooth-coloured resin material, designed to make a filling look more natural. It is a mixture of resin and filler, and the proportions can be adjusted as needed for strength Filling a cavity is the most common reason for the procedure, but teeth filling can also occur to repair cracks in teeth, broken teeth, or even teeth that have been worn down over time. There are a wide variety of materials that dentists may choose to use for fillings How come my tooth filling fell out? Fillings by their nature are not permanent and can fall out for several reasons. One of the most common reasons is biting down on a piece of hard material, causing a filling to crack or come loose. However, there are other causes that can take place over a longer period of time

Do Fillings Hurt? Types of Fillings, Numbing, Prevention

When a tooth requires a filling, the extended vibration and heat from the drill can cause the pulpal tissue within the tooth to swell. This can result in a condition known as pulpitis. In most cases, the swelling that results from this overstimulation is transitory, and fades as the tooth heals itself. Occasionally, though, the tooth fails to. Amalgam fillings (often called silver fillings) are made of mercury and a mixture of other metals. Compared to other filling materials, amalgam is stronger, easier to work with, and less expensive, though its silver coloring makes it a less aesthetically appealing option. Amalgam is the most common type of dental filling and has been used. A sedative filling is a temporary kind of filling that dentists use at this critical junction. It stabilizes a tooth where decay has been removed and allows us to examine how the tooth responds to treatment. A mixture of oil of clove and zinc oxide is used in these fillings, which stop the spread of tooth decay and disinfect the cavity Gold dental fillings can be shaped inside a tooth. When a tooth has a cavity, or a hole in the tooth caused by decay, a dentist will drill away the rotten enamel and dentin and the tooth will be filled with a hard material. This material can be gold, silver, or a composite resin. Regardless of the type of material, the filling can be shaped.

Mercury Is This Heavy Metal and A Poison

Dental Fillings: Get Facts on Costs and Type

Afterwards, the tooth is restored with a crown or filling for protection and will continue to function like any other tooth. Endodontic treatment helps you maintain your natural smile, continue eating the foods you love and limits the need for ongoing dental work. With proper care, most teeth that have had root canal treatment can last a lifetime How to Cope with Tooth Sensitivity After a Filling. Sensitivity after a filling can be managed in a few different ways. This is what is best: Take an over the counter pain medication consistently every 6-8 hours, such as ibuprofen or naproxen. Be mindful to avoid excessively hot or cold foods and drinks

A filling is used in the teeth often to repair a cavity or remove decay. It is essential at times, and looking at the condition, the dentist opts for the permanent or a temporary tooth filling Using Composite Fillings for Receding Gums. Gum recession is one of the many conditions that can be treated with the use of composite fillings. Receding gums can reduce confidence in the appearance of a person's smile and increase the risk of tooth sensitivity and decay. Fortunately, with treatment, this condition can often be stopped or reversed Defining dental crowns and dental fillings. When a tooth suffers decay or cavities, the standard solution is a dental filling. The filling material can be porcelain, composite resin, gold, or silver amalgam. The process is relatively straightforward and painless

How Much Does a Dental Filling Cost? - The Balanc

Dental fillings can last for decades—but only if you properly care for them and the teeth around them. Now that you have a filling, there are a few things you need to do to prevent it from loosening or cracking, and to prevent the tooth around it from developing additional decay Peroxide Teeth Whitening Can Damage Fillings and Crowns. A 2013 study published in the Journal of Dentistry looked at four different restorative materials and how they reacted to 40 percent hydrogen peroxide. All four materials underwent two 20-minute applications. Using the Vickers microhardness test, they determined that all materials showed surface softening but no material loss A significant portion of the population has at least one dental filling, but few patients know that, according to the American Dental Association, all fillings need to be replaced eventually via a filling replacement procedure.. This is because, over time, fillings can be damaged and/or worn-down, just like a natural tooth

Teeth Bonding / Front tooth filling (EXPLAINED) - YouTub

A root canal filling is a way of keeping a tooth, once the live part (the pulp) has become irreversibly damaged. The pulp is a mixture of nerve fibres and tiny blood vessels that can become very inflamed (giving tooth ache) or die off (causing an abscess) You should keep the extracted teeth that have any of the above items still attached, or gold foil dental fillings. Don't worry about removing any cement, porcelain or tooth parts from the dental work. Doing so may be hazardous, unpleasant and difficult. The Gold Center is prepared to handle materials in this condition Composite fillings look like teeth—Made from a mixture of plastic and glass, resin composite fillings are often known as white fillings due to their natural color. Many patients prefer this look, as metal amalgam fillings are sometimes noticeable. 2. Composite fillings strengthen the tooth—A composite filling bonds to the tooth and supports.

The facts on fillings: Amalgam vs

A patient's reactions to and side effects of dental amalgam mercury fillings are based on a number of individualized risk factors. The science behind dental mercury amalgam fillings and other environmental toxicants and their effect on human health A dental filling is used to fill a cavity (a hole that has formed in your teeth) or other damage such as a chipped tooth. Cavities get bigger over time, so the sooner they're spotted and filled, the less likely you are to have problems later. That's why regular check-ups are important Broken Tooth Filling Protocol. When your tooth cracks or breaks, call your dentist immediately. If a large part of the tooth is missing, your dentist may perform an extraction on the remaining part of the tooth. If there is a small chip, a filling may solve the problem. If a piece of your front tooth breaks off, the dentist forms a new piece. Fillings are used to repair a hole in a tooth caused by decay. The most common type of filling is an amalgam, made from a mixture of metals including mercury, silver, tin, copper and zinc. Your dentist will offer the most appropriate type of filling according to your clinical needs

Cracked teeth/tooth fracturesTooth coloured and cosmetic fillings | Cosmetic DentistsLone Oak Dental's Smile Gallery | Old Silver Filling withHow to Prevent and Avoid a Root Canal Treatment