Baseline MMP expression in periapical granuloma and its relationship with periapical wound healing after surgical endodontic treatment

Table 2 Clinical presentation of the study participants before periapical surgery

Clinical parameters	Sign/symptom	Frequency	Percentage
Pain/swelling and/or sinus tract	Present	15	55.55
Pain/swelling and/or sinus tract	Absent	12	44.44
Tenderness to percussion	Present	20	74.07
Tenderness to percussion	Absent	7	25.92

ISSN: 1472-6831