1) What is a dental crown?
A dental crowns, or “cap” is bonded to cover a tooth in order to re-establish its contour and size, strength, and restore its appearance.
2) Why would a patient require a crown?
-To defend a damaged tooth from breaking or to clench together portions of a cracked tooth
-To reconstruct a broken / chipped tooth or a worn down tooth
-To shield and reinforce a tooth that contains a large filling, if there isn’t a substantial enough amount of tooth remaining.
-To help keep a dental bridge in place
-To cover-up a malformed tooth or a discolored tooth
-To protect a dental implant
-To effectuate a cosmetic modification
For children, a crown may be used on primary teeth in order to:
-Fortify a tooth so impaired by decay that it can’t upkeep a dental filling
-Defend the teeth of patients (usually for children) at risk for tooth decay, most notably for instances of children who have difficulty maintaining suitable oral hygiene
-Decrease the frequency of how often conscious sedation and general anesthesia is administered to children who are, due to age, behavior, or medical restrictions, unable to entirely properly upkeep their dental hygiene.
3) What is a crown fabricated with?
Permanent dental crowns may be fabricated using stainless steel, metal (gold or alternative alloy), porcelain-fused-to-metal, resin, or ceramic materials.
STAINLESS STEEL CROWNS:
– Pre-fabricated crowns that are most commonly used on permanent teeth, most commonly as short-term provisions
– These crowns safeguard teeth or fillings during a short period of time, while a permanent crown is fabricated using a laboratory-made alternative.
– Generally, stainless steel crowns are used to sustain children’s teeth as they take but a single dental appointment to affix.
– Are less costly than custom-fabricated crowns and preventive dental care required to safeguard a tooth that does not have support from a crown
– Metals utilized in dental crowns include gold or other metal alloys (ie. palladium), or base-metal alloys (ie. nickel or even chromium)
– Less tooth preparation required in terms of removing parts of the tooth, when using metal crowns
– Damage to juxtaposing teeth is kept to a minimum
– In terms of wear down, these are probably the most resilient
– They seldom chip or break apart
– Metallic color is principal disadvantage
– Metal crowns are a long-lasting option for hard to see molar teeth
– Can be matched to the color of patient’s neighboring teeth
– This option is more damaging to opposing teeth in terms of compared with crowns made of metal or resin.
– The porcelain portion of these crowns can potentially chip or break off more easily than the alternative counterparts
– These crowns are the most organic-looking option on the market
– Sometimes the metal layer beneath the porcelain layer in these crowns become visible, most notably at the gum line and even further so if gums are receding
– These crowns may be a suitable option for front or back teeth, respectively
– The least expensive option versus other crown types
– They break down over time and are more susceptible to fractures than crowns that are made of porcelain-fused-to-metal.
ALL-CERAMIC OR ALL-PORCELAIN-FUSED-TO-METAL CROWNS:
– These types of crowns offer a superior color match than alternative options of crown types.
– These crowns are generally more appropriate for patients having allergies to metals
– They are less powerful than porcelain-fused-to-metal crowns and can damage opposing teeth more easily than metallic crowns or crowns composed with resin
– All-ceramic crowns are ideal restorations for front teeth
4) How do our practitioners prepare a tooth for a crown?
Temporary crowns are fabricated with acrylic or stainless steel and can be fabricated in-house at the dentist’s office during a patient’s initial appointment. They are normally used as temporary restorations until the lab fabricates the permanent crown.
VISIT 1: Initial examination and tooth preparation
– The dentist may administer X-rays to look at the tooth’s roots and its adjoining tissues
– The dentist will apply a numbing anesthetic to the tooth and surrounding gum tissues
– The tooth requiring the crown is sanded down along the chewing surface and sides of the tooth in order to free up some room to apply the crown (the amount of tooth that is detached will be contingent on the type of crown to be affixed)
– After preparing the tooth for the new crown, your dentist will make an impression of the tooth to be crowned. The impressions consists of biting down on a mold that’s made with paste or putty.
– Impressions are then sent off to our dental lab where the crown will be custom made to our patient’s specifications.
– Crown will be re-sent to the office within 2-3 weeks
– If the crown is fabricated with porcelain, the dentist will match and apply the shade that most accurately resembles the pigment of your neighboring teeth
– The dentist will then create a temporary crown to protect or envelop the prepared tooth, which will stay in place until the lab-fabricated crown arrives.
VISIT 2: Placement of the permanent crown
– The dentist will take out the short-term crown and check to ensure a proper fit and color of the permanent crown
– If the new crown is suitable, a local anesthetic will be applied in order to numb the tooth while the custom crown is lastingly cemented onto the prepared tooth.
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