[1], Saddle: The area on the alveolar ridge which is edentulous where at least one missing tooth is to be reinstated. It generally contains plastic teeth, supported by a metal frame which is then bonded to only a single neighbor tooth. [1][11], Careful abutment selection is critical for the success of bridgework. In the past, the framework of a Maryland bridge was only available in metal. The longer the span, the more deflection occurs. Patient unsuitable for implants. [27][28] Reports found that the 3×3 mm designed connectors in zirconia bridges increased the strength to resist fracture by 20%. Advantages and disadvantages of tooth replacement. They are basically left intact. [26] in addition it can resist crack propagation in the core material, however, cracks often occur in the veneering material leading to its fracture whether in the tooth supported or implant-supported bridges. So many great jobs in Maryland also means a large amount of … Maryland Bridge Advantages Less impact on the surrounding teeth – They are largely unaffected by a Maryland Bridge as there is no need to crown the surrounding teeth. [3], Span: The length of the alveolar ridge between the natural teeth where the bridge will be placed. To minimise coverage of the soft tissues the lingual/palatal portion of the pontic is reduced to improve accessibility for maintaining good oral hygiene. Still several researchers consider PFM the gold standard as it has been reported to have 95% success over a 10-year period, a reason why newer types of all-ceramic restorations are usually compared to PFM crowns / bridges to assess its success and durability. Adhesive bridges are also much less expensive than crown retained bridges. Metal based, noble based metals such as gold, or base metal alloys such as nickel chromium. Maryland Bridge Disadvantages Expensive – Due to the nature of the fitting and the skill necessary to fit a Maryland Bridge they are generally more expensive that a normal bridge. It provides the means to cross whatever is being bridged instead of having to take the long way around. Two common options to replacing missing teeth include dental implants and dental bridges. These include the size of potential abutment tooth, with larger teeth having an increased surface area preferable for retention, using teeth with a stable periodontal status, favourable tooth angulation, favourable tooth position, and an adequate crown-root ratio. [21] However, PFM restorations may show a grey colour at the cervical margins of the tooth showing the metal substructure. Among the Maryland Bridge Pros and Cons, the main benefits of getting Maryland Bridges include: Cost-effective and affordable compared to alternate dental procedures. Learn about bridges and crowns and what to ask your dentist. Cons of Living in Maryland. Active dental disease (caries, periodontal disease) and poor oral hygiene. [7] Furthermore, any active disease including caries or periodontal disease should be treated and followed by a period of maintenance to ensure patient compliance in maintaining appropriate oral hygiene. A dental bridge, however, does not replace the tooth root. There is an interesting story behind this name. For every positive, there is also a negative. These forces are transmitted to the abutment(s) via the prosthesis. Good oral health status and motivation of patient to maintain oral health. [3], The ovate pontic comes into contact with the underlying soft tissue and hides the defects of the edentulous ridge with applying light pressure. As the abutments are connected together rigidly it is critical that during tooth preparation the proximal surfaces of the abutment teeth must be prepared so that they are parallel to each other. [5], A fixed-fixed bridge refers to a pontic which is attached to a retainer at both sides of the space with only one path of insertion. Adhesive bridges can only be stuck onto unfilled teeth or teeth with very small fillings. Advantages and Disadvantages of Dental Bridges. The movable connector attaches the pontic to the mesial abutment, enabling this abutment tooth limited movement in a vertical direction. Formed of two caps, called as crowns, and an artificial tooth, a dental bridge is for good fixed to abutment points that are on both side of the synthetic tooth by a top rated dentist. Tooth mobility increases risk of de-bonding. The quality and design of the bridge have been proven successful both as a transitional and permanent prosthesis. They can usually be completed in only two dental appointments, restore the tooth back to full chewing function, require no periodic removal for cleaning, have a long life-expectancy and are aesthetically pleasing. We use cookies to ensure that we give you the best experience on our website. [3], Ridge lap and modified ridge lap pontics have superior aesthetics to the designs discussed previously, with the labial/buccal surface aiming to restore the appearance of a natural tooth from the incisal edge to the gingival margin. [4], Types of artificial plastic teeth (known in the industry as Pontics), A pontic aims to restore aesthetics, give occlusal stability and improve function. A dental implant is an artificial tooth root that is anchored in place of a missing tooth. A major advantage of this type of bridge is that the movable joint can accommodate the angulation differences in the abutment teeth in long axis, which enables the path of insertion to be irrespective of the alignment of the abutment tooth. High Volume of Traffic. In conclusion:  The Maryland bridge has been  successful and is used in dentistry for over more than 20 years. He suspects that this may effect the baby tooth that I still have on the other side of the bridge, causing the root to decay or loosen. [3], The bullet pontic is the second most favourable in terms of being able to maintain good oral hygiene, with the pontic only contacting one point of the alveolar ridge. Because of the conservative nature of the preparaton, the potential for pulpal trauma is minimized. The importance of cleaning underneath the pontic, through the use of interdental cleaning aids, should also be reinforced as plaque control around fixed restorations is more difficult. The abutments being subjected to increased torquing forces anterior edentulous areas ) disadvantages Maryland. Software to machine the bridge due to inadequate bone levels, expense or patient not to. Acrylic resins or metal pieces will be placed forces are transmitted to the lab where the two pieces be..., 2019 however, PFM restorations may show a grey colour at need! 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