Journal of Prevention and Treatment for Stomatological Diseases ›› 2018, Vol. 26 ›› Issue (9): 574-577.doi: 10.12016/j.issn.2096-1456.2018.09.006

• Cinical Study • Previous Articles     Next Articles

Study of the Er: YAG laser in periodontal flap surgery for the treatment of chronic periodontitis

Zhenzhe LIU,Liang ZHAO,Huairong HUANG,Wenxia HUANG,Hongbai CHEN()   

  1. Department of Periodontics, Xiamen Stomatological Hospital, Xiamen 361000, China
  • Received:2018-01-14 Revised:2018-03-23 Online:2018-09-20 Published:2018-09-30

Abstract:

Objective Objective To explore the role of the Er: YAG laser in periodontal surgery. Methods Twenty patients with chronic periodontitis in two quadrants were selected for this study. One quadrant was subjected to pure periodontal flap surgery, whereas the other was subjected to flap surgery with an adjunctive Er: YAG laser. The preoperative and 3- and 6-month postoperative clinical parameters, including the probing depth, clinical attachment level, gingival recession, plaque index, gingival index and tooth mobility, were recorded. Results Significant differences were not observed between the open flap surgery + Er: YAG laser-assisted treatment group and the open flap surgery group except for the gingival index after 3 months (0.36 ± 0.26 vs. 0.58 ± 0.29, t=3.831, P < 0.001) and 6 months (0.60 ± 0.23 vs. 0.83 ± 0.22, t=4.013, P < 0.001). Conclusion Er:YAG as an auxiliary treatment for periodontal flaps, does not significantly reduce the depth of periodontal pockets, nor could it improve the clinical adhesion level and the gingival recession, but it can improve the recovery of gingival inflammation and accelerate the healing of tissue.

Key words: Chronic periodontitis, Er: YAG laser, Periodontal flap surgery, Periodontal surgery

CLC Number: 

  • R781.4

Figure 1

Periodontal examination"

Figure 2

Laser-assisted open flap debridement"

Table 1

Comparison of the periodontal clinical indicators before and after treatment n = 20,x ± s"

参数 治疗前 治疗后3个月 治疗后6个月
探诊深度(mm)
翻瓣组 6.58 ± 0.91 2.91 ± 0.59 2.79 ± 0.49
翻瓣 + 激光组
t
P
6.52 ± 0.82
0.863
0.398
2.73 ± 0.52
1.172
0.245
2.55 ± 0.50
1.916
0.058
临床附着水平(mm)
翻瓣组 6.94 ± 0.84 4.97 ± 0.63 4.92 ± 0.77
翻瓣 + 激光组
t
P
6.83 ± 0.99
1.959
0.052
5.23 ± 0.77
-0.899
0.367
5.10 ± 0.78
-1.950
0.053
牙龈退缩(mm)
翻瓣组 0.58 ± 0.41 2.16 ± 0.84 2.18 ± 0.85
翻瓣 + 激光组
t
P
0.78 ± 0.52
-0.705
0.487
2.31 ± 0.92
-0.904
0.362
2.39 ± 0.95
-0.614
0.526
菌斑指数
翻瓣组 2.38 ± 0.52 0.49 ± 0.32 0.95 ± 0.29
翻瓣 + 激光组
t
P
2.35 ± 0.34
0.613
0.508
0.57 ± 0.35
-0.398
0.659
0.99 ± 0.31
-1.513
0.106
牙龈指数
翻瓣组 2.06 ± 0.24 0.58 ± 0.29 0.83 ± 0.22
翻瓣 + 激光组
t
P
2.07 ± 0.38
-0.797
0.458
0.36 ± 0.26
3.831
<0.001
0.60 ± 0.23
4.013
<0.001
牙齿松动度
翻瓣组 0.77 ± 0.44 0.56 ± 0.27 0.28 ± 0.21
翻瓣 + 激光组
t
P
0.83 ± 0.43
-1.678
0.094
0.57 ± 0.36
-0.097
0.904
0.27 ± 0.20
0.124
0.841

Figure 3

X-ray images"

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