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The function of this instrument involves successfully piercing the surface of the periodontal ligament so the patient can be distributed the anesthesia. [2] Past devices have proven to be insufficient because it instilled fear in patients and made it exhaustingly uncomfortable for dentists to use because of the bulky size. [ 2 ]
Although there is no evidence linking amalgam use and pregnancy damage, it is advisable to delay or avoid dealing with amalgam fillings in pregnant patients. In July 2018 the EU prohibited amalgam for dental treatment of children under 15 years and of pregnant or breastfeeding women unless use of amalgam is medically indicated. [59]
In contrast, one study showed a trend of higher dental treatment need later in children with composite dental fillings, and thus claimed that amalgam fillings are more durable. However, the other study (published in JAMA) cites increased mercury blood levels in children with amalgam fillings. The study states, "during follow-up [blood mercury ...
An amalgam dental filling. Dentistry has used alloys of mercury with metals such as silver, copper, indium, tin and zinc. Amalgam is an "excellent and versatile restorative material" [9] and is used in dentistry because it is inexpensive and relatively easy to use and manipulate during placement. It remains soft for a short time so it can be ...
Amalgam is a metallic filling material composed from a mixture of mercury (from 43% to 54%) and a powdered alloy made mostly of silver, tin, zinc and copper, commonly called the amalgam alloy. [16] Amalgam does not adhere to tooth structure without the aid of cements or use of techniques which lock in the filling, using the same principles as a ...
Composites and amalgam are used mainly for direct restoration. Composites can be made of color matching the tooth, and the surface can be polished after the filling procedure has been completed. Amalgam fillings expand with age, possibly cracking the tooth and requiring repair and filling replacement, but chance of leakage of filling is less.
Topical anaesthesia can also be used to reduce dental phobia, especially in children, by reducing discomfort and pain. Nitrous oxide (N 2 O), also known as "laughing gas", easily crosses the alveoli of the lung and is dissolved into the passing blood, where it travels to the brain, leaving a dissociated and euphoric feeling in most cases ...
Atraumatic restorative treatment (ART) – operative and preventive caries management through the use of the ART approach (sealants and fillings), introduction of dental care to young children and patients with dental fear or anxiety, presenting with mental or physical disabilities or home-bound elderly and those stay in nursing homes; and ART ...