^pKey;
Laboratory;
of;
Oral;
Diseases,;
Sichuan;
University,;
Chengdu,;
China;
^pof;
Periodontics,;
University;
of;
Washington,;
Seattle,;
WA,;
USA;
^pof;
Endodontics,Department;
of;
Preventive;
and;
Restorative;
Dental;
Sciences,University;
of;
California;
at;
San;
Francisco,San;
Francisco,CA,USA;
^pof;
Microbiology,University;
of;
Washington,Seattle,WA,USA;
^pof;
Urology,University;
of;
Washington,Seattle,WA,USA;
^pInstitute;
of;
Arthritis;
and;
Musculoskeletal;
and;
Skin;
Diseases,National;
Institutes;
of;
Health,Bethesda,MD,USA;
^pof;
Restorative;
Dentistry,;
UniversitY;
of;
Washington,;
Seattle,;
WA,;
USA;
激光捕获显微切割; 上皮细胞; 分子生物学; 牙根; 基因表达数据; 逆转录聚合酶链反应; RT-PCR; 微阵列分析;