The choice between a partial crown and a full crown depends on several factors. The goal is always: Preserve as much healthy tooth structure as possible while providing as much protection as necessary.
A partial crown is the right choice when:
- Sufficient healthy tooth structure is present (at least 1–2 stable tooth walls)
- The defect is too large for an inlay but does not affect the entire tooth
- The tooth is vital (alive) and adhesive bonding can be applied
- Maximum substance preservation is desired
A full crown is better suited when:
- Less than 50% of the tooth structure remains
- The tooth has been root-treated and is therefore more brittle
- Heavy chewing or grinding loads are present and all-round protection is necessary
- The remaining tooth walls are too thin or at risk of fracture
Think of it as a spectrum: Inlay, Onlay, Partial Crown, Full Crown. The larger the defect, the more coverage is needed. At our practice, we always choose the least invasive restoration that is functionally and long-term reliable. This means: where a partial crown suffices, we do not place a full crown.
