| Objective: To study the link between smoking status and the marginal bone loss around implants.Methods: 65 patients with 98 implants were divided into heavy smoking group 28 cases(more than 20 cigarettes a day smoking), mild smoking group 10 cases(< 20 cigarettes a day smoking, non-smoking group) 27 cases(no history of smoking or quit smoking to 5 years 3 patients) group, carry on the missing teeth zone ITI implant false tooth repair, after the load measurement analysis of load in January, 1 years, 3 years, 5 years of implant edge of alveolar bone loss(marginal bone loss, MBL), modified plaque index(modified plaque index, m PLI), bleeding index(modified sulcus bleeding, improved index, m SBI), probing depth(probing depth, PD) and other clinical indexes, respectively, the three groups of data were statistically analyzed.Results: The rate of success have statistical significance between heavy smoking group(82.1%) with the other two groups(90.9%;91.9%)(P<0.05). MBL1 months have statistical significance between heavy smoking group and the other two groups(P<0.05), and no significant difference between mild smoking and non-smoking group(P>0.05); 1 years between the patients in the three groups had no statistical significance(P>0.05); 3 years, 5 years, were statistically significance between the three groups(P<0.05). MPLI in the 1 months between the three groups was statistically significant(P<0.05); 1 years between heavy smoking patients and other patients in the two groups was statistically significant(P<0.05); 3 years, 5 years, between the three groups was statistically significant(P<0.05). MSBI tracking in January, 1 years, 3 years and 5 years in between heavy smoking group and the other two groups was statistically significant(P<0.05), while in January, mild smoking and non-smoking group 1 years of no statistical significance(P>0.05), 3 years, 5 years, between the three groups of patients had statistical significance(P<0.05). PD had statistical significance in the 1 months between the three groups(P<0.05); 1 years between mild smoking and non-smoking group had no statistical significance(P>0.05), group two in heavy smokers had statistical significance(P<0.05); 3 years between the patients in the three groups had statistical significance(P<0.05); in 5 years, there were statistical significance between the non-smoking group and other two groups of smoking patients(P<0.05), statistically significant light smoking group and no severe smoking group(P>0.05).Conclusion: the smoking status and the length of time are the risk factors for implants. |