Scheie A A, Arneberg P, Krogstad O
Scand J Dent Res. 1984 Jun;92(3):211-7. doi: 10.1111/j.1600-0722.1984.tb00881.x.
The effect of orthodontic treatment on the prevalence of Streptococcus mutans was investigated in 14 subjects. Insertion of appliances tended to give a transient decrease in S.mutans levels, in both plaque and saliva, possibly due to elimination of S.mutans reservoirs by the banding procedure. After 3 months of extensive banding, the S.mutans proportions surpassed pretreatment levels in saliva and on banded teeth, whereas unbanded surfaces only showed a slight increase. It was thus concluded that creation of new retentive areas favors the local growth of S.mutans, which in turn increases the general infection level of this organism. Time was, however, needed before elevated levels were reached. Insertion of appliances tended to eliminate the characteristic gradient of S.mutans levels within the dental arches.
在14名受试者中研究了正畸治疗对变形链球菌患病率的影响。矫治器的放置往往会使菌斑和唾液中的变形链球菌水平出现短暂下降，这可能是由于结扎操作消除了变形链球菌的储存部位。在进行3个月的广泛结扎后，唾液中和结扎牙上的变形链球菌比例超过了治疗前水平，而未结扎的牙面仅略有增加。因此得出结论，新的滞留区域的形成有利于变形链球菌的局部生长，进而增加该菌的总体感染水平。然而，需要一定时间才能达到升高的水平。矫治器的放置往往会消除牙弓内变形链球菌水平的特征性梯度。
