无托槽隐形矫治初期温度感觉与压力痛觉的研究

doi:10.13591/j.cnki.kqyx.2025.04.004

Abstract

Abstract:

Objective To investigate the initial temperature sensation and pressure pain sensation in patients receiving invisible orthodontic treatment. Methods Twenty-two patients receiving clear aligner treatment(experimental group)and 22 volunteers(control group)participated. Perceptual changes were assessed using the visual analogue scale(VAS) and quantitative sensory testing(QST). The QST employed in this study included warm detection threshold/heat pain threshold (WDT/HPT), cold detection threshold/cold pain threshold (CDT/CPT), and pressure pain threshold (PPT). Tests were conducted on teeth 21 and 31, their gums, the left hand, and the left masseter muscle. Assessments occurred at baseline, 2 hours, 24 hours, 7 days, and 28 days after aligner placement. Results In the experimental group, VAS scores peaked at 24 hours and then significantly decreased(P<0.01). For teeth 21 and 31, the WDT and HPT of the labial attached gingiva, along with the PPT of these teeth, showed significant decreases at 24 hours and 7 days compared to baseline and the control group(P<0.01). At 24 hours and 7 days, VAS scores were negatively correlated with the WDT and HPT of the labial attached gingiva of teeth 21 and 31(P<0.05). Conclusion At 24 hours and 7 days post-clear aligner treatment, thermal sensitivity and pain, as well as pressure pain sensitivity, increased for the gingiva of teeth 21 and 31. Thermal sensitivity was also correlated with pain intensity.

Key words: invisible appliance, quantitative sensory test (QST), pain

CLC Number:

R783.5

FANG Bin, LI Yuan, ZHOU Weina, YU Linfeng, ZHOU Meng, MA Junqing. Study on temperature and pressure pain sensation in the initial stage of invisible appliance[J]. Stomatology, 2025, 45(4): 259-263.

Figures/Tables 5

Fig.1

Fig.2

Tab.1

Mixed linear model analysis of the effect of temperature sensation parameters at different sites and time points for the experimental group and control group"

部位	温度指标参数/℃	研究组					对照组					固定效应
部位	温度指标参数/℃	基线	2 h	24 h	7 d	28 d	基线	2 h	24 h	7 d	28 d	时间	组别	时间×组别
21 牙龈	冷感觉阈 (CDT)	25.50 (0.75)	25.39 (0.62)	25.70 (0.85)	25.76 (0.76)	25.46 (0.76)	25.55 (0.75)	25.65 (0.82)	25.45 (0.85)	25.42 (0.83)	25.75 (0.83)	F=0.095, P=0.984	F<0.001, P=0.993	F=1.471, P=0.214
	冷痛觉阈 (CPT)	13.14 (1.09)	13.47 (1.11)	13.30 (0.92)	13.42 (1.15)	13.28 (1.16)	12.94 (1.05)	13.22 (0.86)	12.94 (0.69)	13.02 (1.02)	13.08 (1.07)	F=1.591, P=0.213	F=1.734, P=0.145	F=0.157, P=0.960
	热感觉阈 (WDT)	44.55 (1.09)	44.7 (1.04)	42.35 (0.79)^@&	43.01 (1.23)^@&	44.09 (0.80)	44.30 (1.24)	44.54 (1.11)	44.64 (1.10)	44.74 (1.08)	44.73 (1.28)	F=18.604, P<0.01^**	F=12.082, P<0.01^**	F=21.376, P<0.01^**
	热痛觉阈 (HPT)	47.15 (1.16)	46.82 (1.18)	44.46 (1.35)^@&	45.12 (1.29)^@&	46.63 (1.03)	47.20 (1.35)	47.40 (1.10)	47.35 (1.68)	47.27 (1.37)	47.37 (1.42)	F=21.644, P<0.01^**	F=17.746, P<0.01^**	F=20.441, P<0.01^**
31 牙龈	冷感觉阈 (CDT)	22.49 (0.97)	22.48 (0.89)	22.65 (1.23)	23.05 (1.12)	22.93 (1.25)	22.72 (0.76)	22.16 (0.98)	22.77 (0.96)	22.55 (1.00)	22.52 (1.10)	F=1.577, P=0.183	F=0.986, P=0.325	F=1.450, P=0.221
	冷痛觉阈 (CPT)	11.00 (1.36)	11.02 (1.51)	11.60 (1.20)	11.54 (1.05)	11.24 (1.03)	11.28 (1.58)	11.28 (1.39)	10.98 (1.35)	11.25 (1.16)	11.33 (1.54)	F=0.413, P=0.799	F=0.033, P=0.857	F=2.192, P=0.072
	热感觉阈 (WDT)	45.32 (0.93)	45.41 (0.75)	42.75 (0.98)^@&	43.55 (0.70)^@&	45.15 (0.70)	45.42 (0.97)	45.42 (0.69)	45.06 (0.88)	44.98 (0.76)	45.50 (0.67)	F=51.087, P<0.01^**	F=26.609, P<0.01^**	F=25.856, P<0.01^**
	热痛觉阈 (HPT)	49.46 (1.04)	49.37 (1.00)	46.99 (1.17)^@&	47.48 (1.32)^@&	49.04 (0.93)	49.73 (1.27)	49.31 (1.01)	49.20 (1.28)	49.28 (0.94)	49.48 (0.74)	F=21.876 P<0.01^**	F=18.905, P<0.01^**	F=14.738, P<0.01^**
左手	冷感觉阈 (CDT)	29.30 (1.01)	29.59 (0.96)	29.63 (0.85)	29.37 (0.92)	29.47 (0.81)	29.14 (1.02)	29.54 (0.68)	29.43 (1.03)	29.67 (1.01)	29.24 (1.15)	F=1.146, P=0.338	F=0.218, P=0.642	F=0.744, P=0.563
	冷痛觉阈 (CPT)	14.22 (1.01)	14.47 (1.27)	14.48 (0.86)	14.38 (1.16)	14.41 (0.82)	14.57 (0.89)	14.74 (0.96)	14.62 (1.03)	14.50 (1.07)	14.49 (0.82)	F=0.583, P=0.675	F=0.902, P=0.346	F=0.129, P=0.972
	热感觉阈 (WDT)	34.86 (0.84)	34.62 (0.83)	34.72 (1.02)	34.85 (0.82)	34.45 (0.89)	34.91 (1.02)	34.30 (0.79)	34.81 (0.97)	34.36 (0.92)	34.82 (0.76)	F=2.134, P=0.080	F=0.068, P=0.796	F=2.074, P=0.087
	热痛觉阈 (HPT)	42.03 (1.07)	42.11 (0.93)	41.97 (0.93)	42.10 (0.87)	42.12 (1.01)	42.26 (1.08)	41.69 (0.62)	42.40 (0.88)	42.03 (1.03)	42.39 (0.67)	F=1.339, P=0.250	F=0.820, P=0.514	F=1.544, P=0.192

Tab.1

Tab.2

Tab.3

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部位	研究组/kPa					对照组/kPa					固定效应
部位	基线	2 h	24 h	7 d	28 d	基线	2 h	24 h	7 d	28 d	时间	组别		时间×组别
21牙齿	224.32 (20.62)	219.97 (19.00)	172.91 (23.21)^@&	187.15 (19.05)^@&	216.71 (21.85)	223.54 (11.54)	222.33 (16.27)	222.44 (14.78)	225.13 (16.62)	220.53 (18.98)	F=32.368, P<0.01^**		F=19.62, P<0.01^**		F=36.211, P<0.01^**
31牙齿	230.73 (17.93)	229.38 (17.26)	189.04 (21.62)^@&	197.56 (15.84)^@&	227.11 (22.78)	233.52 (14.11)	231.65 (18.14)	232.83 (15.76)	230.63 (17.17)	233.79 (18.73)	F=31.630, P<0.01^**		F=17.292, P<0.01^**		F=29.880, P<0.01^**
21牙龈	103.26 (12.46)	101.58 (10.71)	100.70 (11.42)	97.15 (8.36)	101.50 (8.39)	104.86 (12.69)	100.81 (1.80)	103.38 (8.68)	102.70 (10.38)	100.39 (8.66)	F=1.352, P=0.254		F=0.705, P=0.405		F=1.277, P=0.282
31牙龈	110.93 (13.83)	109.06 (11.15)	110.20 (11.85)	106.50 (9.29)	111.10 (9.95)	113.66 (13.13)	108.39 (12.73)	112.68 (9.56)	112.34 (10.61)	107.61 (13.19)	F=1.120, P=0.349		F=0.489, P=0.487		F=1.434, P=0.226
左手	272.49 (24.97)	273.60 (24.56)	270.72 (25.72)	268.32 (21.68)	272.92 (26.22)	269.22 (19.97)	264.14 (20.69)	267.54 (21.82)	271.89 (19.92)	266.46 (21.66)	F=0.149, P=0.963		F=0.503, P=0.482		F=1.533, P=0.195
左咬肌	136.09 (21.35)	134.86 (13.08)	137.54 (14.14)	132.80 (13.98)	133.86 (20.97)	130.17 (18.67)	133.29 (13.98)	129.90 (18.31)	136.91 (18.20)	130.34 (17.59)	F=0.883, P=0.352		F=0.237, P=0.917		F=1.291, P=0.277

VAS评分	r(P)
	CDT		CPT		WDT		HPT		PPT
	21牙龈	31牙龈	21牙龈	31牙龈	21牙龈	31牙龈	21牙龈	31牙龈	21牙齿	31牙齿	21牙龈	31牙龈
基线	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
2 h	-0.017 (0.940)	0.067 (0.769)	0.380 (0.081)	-0.043 (0.850)	0.077 (0.732)	0.079 (0.728)	0.291 (0.189)	0.333 (0.130)	0.265 (0.233)	0.344 (0.117)	0.069 (0.759)	-0.007 (0.977)
24 h	0.074 (0.742)	0.231 (0.301)	0.087 (0.702)	0.292 (0.187)	-0.494 (0.019^*)	-0.558 (0.007^**)	-0.496 (0.019^*)	-0.469 (0.028^*)	-0.239 (0.285)	-0.296 (0.180)	0.181 (0.421)	0.136 (0.546)
7 d	-0.114 (0.613)	-0.155 (0.492)	-0.226 (0.313)	0.086 (0.705)	-0.453 (0.034^*)	-0.552 (0.008^**)	-0.514 (0.014^*)	-0.613 (0.002^**)	-0.244 (0.274)	-0.275 (0.216)	0.001 (0.995)	0.136 (0.547)
28 d	0.240 (0.282)	0.164 (0.466)	0.223 (0.319)	0.323 (0.143)	0.325 (0.140)	-0.278 (0.210)	0.207 (0.356)	-0.114 (0.613)	0.239 (0.284)	0.307 (0.164)	0.080 (0.722)	0.092 (0.684)

Study on temperature and pressure pain sensation in the initial stage of invisible appliance

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