Dental trauma in endoscopy: A systematic review and experience of a tertiary endoscopy centre

Table 4 Pooled adverse dental event rate

Ref.	n	Major eventsa	Minor eventsb
Evers et al[8],1967	110	0	Not studied
Ackerman et al[9],1996	5000	2	Not studied
Min et al[10],2008	865	2	19
Our centre experience	11265	1	32
Event rate
Rate of major events: 5/17240 = 0.029%
Rate of minor eventsc: 51/12130 = 0.42%
Overall event rate: 56/17240 = 0.33%

^aMajor Adverse Event includes cases of tooth fracture, tooth avulsion, tooth subluxation.

^bMinor Adverse Events includes gum discomfort, masticatory pain, toothache and cancellations due to dental reasons.

^cOnly studies reporting minor adverse events were included in the calculation.