In the titanium group , the complications noted were nonunion in 0 % , malocclusion in 7.7 % , continued postoperative swelling in 0 % , chronic pain in 2 % , infection in 5.2 % , an inability to chew hard food after 8 weeks in 7.7 % , the need for alternative treatment in 0 % , and the need for reoperation in 31 % .
