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 7 Cross-sectional subsample of patients: sequelae of previous traumatic injuries to the permanent teeth

Restorative treatment provided
Types of traumatic injury	No sequelae			Tooth loss			Hard tissue			Endodontic			General sequelae			All teeth
(PDL, DHT, PDL + DHT)	n	%	%	n	%	%	n	%	%	n	%	%	n	%	%	n	%	%
PDL injuries	120		46.5	28		10.9	15		5.8	66		25.6	29		11.2	258		100
% based on injury types		68.6			48.3			10.3			43.4			74.4			45.3
DHT injuries	22		14.5	19		12.5	76		50.0	32		21.1	3		2.0	152		100
% based on injury types		12.6			32.8			52.4			21.1			7.7			26.7
PDL + DHT injuries	33		20.8	11		6.9	54		34.0	54		34.0	7		4.4	159		100
% based on injury types		18.9			19.0			37.2			35.5			17.9			27.9
All injuries	175		30.8	58		10.2	145		25.5	152		26.7	39		6.9	569		100
Total %		100			100			100			100			100			100

DHT dental hard tissue, PDL periodontal ligament
Association between sequelae and injury types: p < 0.001 (Pearson's Chi-squared test)