Both crowns and bridges are referred to as restorative dentistry. They are used to return your teeth to their desired look and stability. Crowns and bridges both add stability to the surrounding teeth and give your smile a more beautiful look.

The terms hard conversion and soft conversion refer to approaches you might take when converting an existing dimension from non-metric units to SI. "Hard" doesn't refer to difficulty, but (essentially) whether hardware changes during the metrication process. However, the terms can be confusing and are probably best avoided, because they're not always consistently defined and their meanings can be non-intuitive. See similar questions...

These are restorations to repair a severely broken tooth by covering all or most of the tooth after removing old fillings, fractured tooth structure, and all of the decay. The restoration material is generally made of gold or porcelain. Dentists refer to these restorations as "crowns". However, patients often refer to the tooth-colored ones as "caps" and the gold ones as "crowns". See similar questions...

In general, a porcelain veneer or laminate covers the front of the tooth only. A dental crown will cover the entire tooth, all the way around. See similar questions...

A cap or crown are they same thing. They refer to complete coverage of the tooth. They are generally necessary when teeth have gotten weak from previous large fillings to protect them from fracturing or teeth that have fractured and now they need support. Crowns are also placed on top of implants or on teeth that have had root canal treatment. Crowns are placed to make a bridge. See similar questions...

Whereas a filling covers only a portion of the tooth, a dental crown completely encases the visible area of the tooth, creating a brand new outer surface for your tooth. See similar questions...

A dental crown sits on top of a broken, chipped or discolored tooth. Dental crowns can also be used to cover teeth with large fillings and not much tooth left. Dental bridges cross from a healthy tooth to a healthy tooth, covering the space left when a tooth has been pulled. It bridges the gap and provides stability while allowing you to bite and chew normally. See similar questions...

Crowns can be made of a variety of different materials, such as porcelain or porcelain bonded to gold. New materials are continually being introduced. There are different crowns for different situations and it is a good idea to discuss with your dentist which crown would be best for you. See similar questions...