Traumatic dental injuries over an 8-year period at a German dental center: a retrospective overview and cross-sectional analysis

International Journal of Implant Dentistry

Table 5 Injuries to the permanent and deciduous teeth, arranged according to injury types

Types of traumatic injury	Permanent teeth			Deciduous teeth			All teeth
(PDL, DHT, PDL + DHT)	n	%	%	n	%	%	n	%	%
PDL injuries	1789		73.7	637		26.3	2426		100.0
% based on injury types		42.4			92.1			49.4
DHT injuries	1437		97.6	35		2.4	1472		100.0
% based on injury types		34.1			5.1			30.0
PDL + DHT injuries	991		98.0	20		2.0	1011		100.0
% based on injury types		23.5			2.9			20.6
All injuries	4217		85.9	692		14.1	4909		100.0
Total %		100			100			100

DHT dental hard tissue, PDL periodontal ligament
^*Injuries to deciduous versus permanent teeth: p < 0.001 (Pearson's Chi-squared test)