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A Dental Bridge Is a Fixed Dental Prosthesis Used to Replace One Or Several Missing Teeth by Permanently Joining an Artificial T

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A Dental Bridge Is a Fixed Dental Prosthesis Used to Replace One Or Several Missing Teeth by Permanently Joining an Artificial T A dental bridge is a fixed dental prosthesis used to replace one or several missing teeth by permanently joining an artificial tooth to adjacent teeth or dental implants. dental bridge Dental bridges are also used to protect and reshape teeth that have undergone major destructions and prevent complications that may arise as a result of tooth loss. There is a wide variety of dental bridges. The type of bridge that is designed for a particular clinical situation depends on many factors such as geographical location, patient desires and financial situation, practitioner preferences etc. Although in some countries (mainly the most developed ones) dental implants tend to replace bridges (or, if more teeth are missing, bridges are supported exclusively by dental implants),traditional dental bridges (supported by natural teeth) are still widespread throughout world. Parts A dental bridge consists of two components : Anchor crowns The anchor crowns (also known as retainer crowns) are two (or more) dental crowns that are cemented on the teeth adjacent to the toothless gap to support the bridgework restoration. The two anchoring teeth are called abutment teeth. A traditional bridge is supported by natural teeth (or by post and cores when remaining tooth structure is inadequate). Bridges supported by dental implants will be discussed in a separate chapter. Pontics or artificial teeth The artificial (or false) teeth are placed between the anchor crowns and basically replace the missing tooth or teeth. Depending on the clinical situation and the number of missing teeth, a dental bridge can have one or more pontics. A dental restoration made off several dental crowns joined together but without any pontics (because there are no missing teeth) is also considered as a dental bridge. Professional Series Countertop Oral Irrigator Water Flosser with accessory tips efficient dental cleaning MAIN BENEFITS Dental bridges have two major benefits : Restoration of the missing teeth Prevent the complications that can occur after one or more teeth are lost 1. Restoration of the missing teeth The primary role of a dental bridge is to restore (or replace) the missing teeth. Besides "bridging" the toothless gap, the bridge will also "crown" the abutment teeth. A proper dental bridge will have to participate at dental process just like natural teeth (or very close too). This will ensure optimum comfort and a short period of adaptation. Chewing process A dental bridge is permanently fixed to the abutment teeth. All chewing forces pass along the abutment teeth to the jawbone. The amount of pressure that acts on each abutment depends on the extent of the bridge (the number of missing teeth) and abutment teeth characteristics. Look at the picture above: all chewing forces that act on the pontic are passed to the abutment teeth. Unlike bridges, some removable dentures rest exclusively on the gums. Consequently, chewing comfort decreases (because the patient will chew on his gums instead of his teeth) and getting used to removable dentures takes a little longer. Very important: Dental bridges do not pass any chewing forces to the gums. Basically, the whole chewing process is performed on the teeth. That is why chewing on dental bridges has a natural comfort. Aesthetics Tooth loss severely affects aesthetics, especially if the area is visible. Therefore, restoring the aesthetic function is, for many patients, the most important goal. Restoring proper aesthetics greatly depends on the manufacturing material. Porcelain or zirconiumbridges are aesthetically superior. restoring aesthetics with a porcelain dental bridge; before and after Phonetics and pronunciation If front teeth are missing (especially the upper incisors) the normal speech will suffer, particularly the pronunciation of consonants. When a new dental restoration is manufactured, it takes time to adapt the speech to the new conditions. Dental bridges, compared with removable dentures, are small restorations that are permanently cemented to the abutment teeth ; getting used to normal speech takes less time. 2. Prevention of complications that can arise after teeth loss After teeth loss, important changes that can severely disrupt dental processes may occur. These changes will seriously complicate the steps of the restoring treatments. That is why it is advisable to begin planning for dental restorations soon after the extraction took place. Restoring missing teeth with dental bridges has many advantages. Well-executed and properly maintained, bridges ensure high comfort and aesthetics and patients get accustomed with them in a short time. Bridges are fixed prosthetic restorations that do not require periodic removal for cleaning Because of this advantage, many patients prefer them against removable dentures. Bridges are permanently fixed by cementing the anchor crowns to the abutment teeth and there is no need for periodic removal. Many patients are more comfortable with the idea of a fixed restoration rather than a removable one. Patients get used to dental bridges in a short time Bridges are small and lightweight dental restorations. After the definitive cementation, getting used to dental bridges takes less time than in case of removable dentures (or other more complex restorations) which are larger and heavier. dental bridge removable partial denture Dental bridges provide excellent chewing comfort This is because all chewing forces are passed to the abutment teeth and not to the gums underneath. Therefore, teeth perform the mastication, which is the natural way. By contrast, removable dentures rest exclusively on the gums so the chewing process (or part of it) is performed on the gums. Aesthetics are very good When aesthetic demands are high, it is advisable to opt for porcelain or zirconium based bridges, which are aesthetically superior. Few appointments are needed Bridges can be completed in two sessions, while removable dentures need at least 4 appointments to be completed. Dental implants need 3 to 6 months after the surgical insertionto fuse with the bone through a biologic process called osseointegration. Life span and prognosis are good To ensure this goal, dental bridges need to be properly maintained. DENTAL BRIDGE DISADVANTAGES Bridges require the preparation of the abutment teeth To ensure the bridge support and insertion, the abutment teeth need to be properly prepared. This operation involves permanently removing much of the tooth's original structure, including portions that might still be healthy and structurally sound. It's the biggest disadvantage as it leads to the loss of large amounts of healthy tooth tissue and sometimes even tooth devitalization and endodontic treatment. Therefore, restorations supported exclusively by dental implants have the big advantage that teeth adjacent to the gap remain untouched. This disadvantage stands out especially when abutment teeth are perfectly healthy without any fillings or cavities. The abutment teeth may show increased sensitivity at external stimuli Usually, after the preparation, one or more temporary crowns are constructed. These devices will protect the abutment teeth until the definitive restoration is completed. If no temporary restoration was designed, abutment teeth may show an increased sensitivity to hot or cold stimuli until the bridge is definitively cemented. Traditional dental bridges have many indications. Restoration of partial edentulism if enough healthy teeth remain on the dental arch to support the bridge It is the main indication of dental bridges. Partial edentulism is a condition where one or more teeth (but never all) are missing from the dental arch. If there are not enough teeth to support the dental bridge, another type of dental restoration has to be designed: removable denture or a restoration supported by dental implants. dental bridge indication : partial edentulism with 2 missing teeth dental bridge after definitive fixing Restoring teeth with advanced destructions, erosions or large fillings A dental bridge can be designed when some teeth show advanced destructions, large cavities, erosions or old unsightly fillings. The dental bridge, besides replacing the missing teeth, will restore the morphology of the teeth with advance destructions. tooth bridge indication : teeth with destructions and old fillings the designed dental bridge Aesthetic restorations Sometimes, one or more teeth are out of shape, out of place, or may show discolorations, yellowish color or unsightly fillings. If changes are not too advanced, an aesthetic dental bridge may be a viable therapeutic option. porcelain dental bridge designed to restore aesthetics ; before and after Restoring teeth with high degrees of abrasion Abrasion is a condition that can occur both due to physiological wear of the teeth, or due to pathological conditions (e.g. bruxism). Over time, teeth become small and unsightly. This condition is difficult to treat. In some situations, it is possible to restore these teeth by constructing a dental bridge. It is very important to re-establish the appropriate bite or dental occlusion ; otherwise, the patient may have a permanent discomfort when chewing. dental abrasion ; teeth become small and unsightly Treatment of occlusal disorders In some clinical situations, for various reasons, the dental occlusion (or bite) becomes inadequate. These conditions are usually accompanied by pain and discomfort in the jaw muscles and/or TMJ, headaches or migraines, eye or sinus pain and, sometimes, other symptoms.
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