CLINICAL AND MICROBIOLOGICAL PATTERNS OF ADULTS WITH PERIODONTITIS

被引:29
作者
KORNMAN, KS
NEWMAN, MG
ALVARADO, R
FLEMMIG, TF
NACHNANI, S
TUMBUSCH, J
机构
[1] UNIV CALIF LOS ANGELES,SCH DENT,PERIODONT SECT,LOS ANGELES,CA 90024
[2] MARKET VIS RES INC,CINCINNATI,OH
关键词
PERIODONTITIS DIAGNOSIS; PERIODONTITIS MICROBIOLOGY; MULTICENTER STUDY; FOLLOW-UP STUDIES;
D O I
10.1902/jop.1991.62.10.634
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
ALTHOUGH CURRENT DATA SUGGEST THAT periodontitis may actually be multiple diseases each with varying responses to therapy, little evidence exists to support this theory in adult patients. This report describes the design and initial findings of a longitudinal field trial involving the diagnosis and treatment of adult and refractory periodontitis patients in private practice. Adult patients (N = 221) who met specific clinical criteria were selected from the private practices of 22 periodontists. Clinical characteristics were recorded and subgingival plaque samples were sent to microbiology laboratories at either UCLA or The University of Texas Health Science Center at San Antonio (UTHSCSA). Samples were processed according to protocols standardized between the 2 centers. Five different combinations of the initial clinical and microbial findings were evaluated for patterns in the data by means of cluster analysis. Plaque, bleeding on probing, bone loss scores, probing depth distributions, and microbial findings produced multiple cluster solutions. Solutions involving 6 clusters explained 39.4% to 76.4% of the variation between patients and produced ratios for variation between clusters to variation within clusters of 5.2 to 15.3. The optimal cluster solution incorporated both clinical and microbial findings, with some clusters characterized by high plaque and moderate bleeding on probing and bone loss, whereas others had low plaque but high bleeding on probing and bone loss. Microbial findings of each cluster exhibited distinct patterns with some clusters having a high prevalence (83% to 100%) of specific target bacterial species while other clusters had an absence of these species. This unique multicenter study demonstrated that it is possible to cluster adult and refractory periodontitis patients into distinct clinical and microbial patterns. This approach provides the basis for determining whether certain diagnostic information may truly be of value in targeting periodontal therapy. In addition, the potential advantages and disadvantages of conducting studies in a field trial format are discussed.
引用
收藏
页码:634 / 642
页数:9
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