Centre Lines

- It is more important aesthetically to keep the upper dental centre-line in the middle of the face
- We would accept a lower centre-line which is a little bit off due to lower jaw assymmetry or L to R tooth size discrepancies
- If the lower centre-line is more than 3mm we usually recommend jaw surgery to correct this
- It is aesthetically important to make the centre-line between the upper front teeth (the connector) vertical and not slanted
- Studies have shown that as long a the connector is vertical a centre-line discrepancy of up to 2-3 mm is not distracting

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