Dental Crowns on natural teeth

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Dental Crowns on natural teeth

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Dental Crowns on natural teeth

What is it?

Crowns (or caps) are dental restorations that are placed over a tooth when more conservative fillings are not sufficient to restore form and function.

Porcelain-fused to metal (PFM) crowns

PFM crowns are based on a tooth-colored ceramic material which is applied over a metal core. PFM crowns have been used in dentistry since many years; PFM crowns have excellent strength to resist stresses from mastication and can be used for restoring back teeth. They can be pleasing visually but sometimes lack the aesthetic properties of natural teeth because of the presence of a marginal metal collar. The metal collar may show through the gingiva and may be responsible of an unpleasant smile.

Dr Deliperi prefers using aesthetic PFM crowns with no metal collar. The metal collar is completely eliminated to be replaced by a porcelain margin. The strength of conventional PFM crowns is preserved, but light transmission through the radicular and gingival tissues is improved.

All-ceramic crowns

All-ceramic crowns are made entirely from ceramic materials and do not have a metal component. They have aesthetic properties very similar to those of natural teeth. All-ceramic crowns have been introduced more recently than PFM crowns; they were indicated for covering anterior teeth in selected clinical situations. Research over the last 15 years has produced new reinforced ceramic crown systems; their application was extended to single anterior and posterior crown & bridges. All-ceramic crowns may also be used to restore single or multiple crowns on implant teeth.

Dr Deliperi has been cementing all-ceramic crowns on anterior and posterior teeth since 1999.

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