Is it ok to put pressure on the anterior dental bone graft 3.5 mos after surgery?

apr 2012-#8 tooth fx, implant failed Jan 2013-2nd implant placed Jan 2014-restoration and ant bone graft placed no pain until May 2014-3 1/2 months after the last procedure, the perio palpated the ant bone graft on my follow up exam. To me it was a hard pressure but he said he just palpated the area. Since then, I have been having pain on the area where he put pressure on. Did he do any damage on the graft site by putting pressure on it? I really don't know why I started to have pain after that.