Effect of nonsurgical periodontal treatment in conjunction with either systemic administration of amoxicillin and metronidazole or additional photodynamic therapy on the concentration of matrix metalloproteinases 8 and 9 in gingival crevicular fluid in patients with aggressive periodontitis
1 Department of Periodontal and Oral Mucosa Diseases, Medical University of Bia?ystok, ul. Waszyngtona 13, Bia?ystok, 15-269, Poland
2 Private Practice, ul. Waszyngtona 1/34, Bia?ystok, 15-269, Poland
3 Department of Clinical Laboratory Diagnostics, Medical University of Bia?ystok, ul. Waszyngtona 15, Bia?ystok, 15-269, Poland
4 Department of Periodontology, Philipps-University of Marburg, Georg-Voigt-Str. 3, Marburg, D-35039, Germany
5 Department of Statistics and Medical Informatics, Medical University of Bia?ystok, ul. Szpitalna 37, Bia?ystok, 15-295, Poland
6 Department of Periodontology, Dental School University of Bern, Freiburgstrasse 7, Bern, 3010, Switzerland