Objective To compare the effect of chemomechanical caries removal(CMCR)to traditional drilling(TD)on blood pressure and pulse in children.Methods Of all 105 subjects,53 were randomly assigned to CMCR group;52,to TD group.For each subject,the systolic pressure(SP),diastolic pressure(DP)and pulse(P)were measured at five time-point:pre-treatment,initiation of carious removal,the end of carious removal,the end of the cavity restoration,and the end of the dental care.They were recorded as T0,T1,T2,T3,and TE,respectively.The difference of SP,DP,and P within each group were analyzed.Results Of all 105 subjects,14 were administered local anesthesia.Since local anesthesia may be a confounding factor for changes in blood pressure and pulse,only the data of the other 91 subjects that local anesthesia were not administered were analyzed.Regarding the SP,DP,and P for TD,the difference between T0 and T1 was significant(P=0.013,0.015,0.012 respectively),while not significant between T1 and T2,T2 and T3,T3 and TE(P>0.05).Regarding the SP,DP,and P for CMCR,the differences were not significant between every two consecutive time-points(P>0.05).The differences of the SP,DP,and P between CMCR and TD were not significant for time-points T0,T3 and TE(p>0.05),while significant for T1 and T2(P<0.05).Conclusion In general,CMCR induces less increase of blood pressure and pulse in children compared to traditional drilling(TD).It may be inferred that CMCR is less distressing than TD.
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