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  • Title: Effect of splint placement on black-pigmented Bacteroides and spirochetes in the dental plaque of beagle dogs.
    Author: Mikx FH, Ngassapa DN, Reijntjens FM, Maltha JC.
    Journal: J Dent Res; 1984 Nov; 63(11):1284-8. PubMed ID: 6594370.
    Abstract:
    The gingival microbiota in beagle dogs was investigated during a period of 42 days after the placement of continuous wire and arch bar splints. The splints were found to induce an increase in helicoidal-shaped micro-organisms and black-pigmented Bacteroides. Two different asaccharolytic Bacteroides types were isolated and tentatively identified as B. gingivalis and B. asaccharolyticus. In addition, B. intermedius-like organisms were isolated. The last two species were observed only after splint placement. The local accumulation of helicoidal-shaped micro-organisms in the epithelial tissue rather than in the micro-ulcerations was regarded as an indication of an active role for these spirochetes in the disease process. The observed shift toward tissue-invading and potentially pathogenic micro-organisms after splinting stresses the need for antimicrobial measures during splint placement in order to minimize periodontal destruction.
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