无托槽隐形矫治中牙釉质脱矿情况的临床调查

doi:10.13591/j.cnki.kqyx.2024.10.004

Abstract

Abstract:

Objective To investigate the incidence and severity of enamel demineralization during clear aligner treatment and provide reference for clinical medical nursing work. Methods A total of 151 patients(3 507 teeth)undergoing clear aligner treatment in our hospital from 2015 to 2022 were collected. The enamel demineralization before and after treatment was compared, and the enamel demineralization index(EDI) was calculated to evaluate the severity of demineralization. The incidence and severity of enamel demineralization were analyzed statistically, and the differences among different genders, ages and dental positions were compared. Results Enamel demineralization occurred in 84 patients during treatment, with an incidence rate of 55.63%. Gender and treatment time had no effect on the incidence, and the incidence of adolescent patients was higher than that of adult patients. Among the investigated 3 507 teeth, 601 teeth had enamel demineralization, and the incidence rate was 17.14%. The incidence of maxillary anterior teeth and mandibular posterior teeth was higher; the incidence of right teeth was significantly higher than that of left teeth, and the incidence of teeth with adhesive attachments was also significantly increased. 88% of the enamel demineralization lesions were 1-2 degrees, and the degree of enamel demineralization was similar in male and female patients. But the degree in adolescents was significantly higher than that in adult patients. The average EDI value of maxillary anterior teeth was significantly higher than that of mandible, but that of maxillary posterior teeth was significantly lower than that of mandible. The average EDI value of right teeth was significantly higher than that of left. Conclusion The incidence of enamel demineralization is high in the process of clear aligner treatment, and teenagers are susceptible to it. The demineralization of teeth is significantly different among different tooth positions, and adhesive attachments will increase the risk of enamel demineralization. Therefore, medical staff should take active and effective measures in the prevention and treatment of enamel demineralization.

Key words: orthodontics, clear aligner treatment, enamel decalcification

CLC Number:

R783.5

HU Danyan, CHEN Huifen, WU Junqing, LI Hu, YAN Bin, SHAO Qinghua. Clinical investigation of enamel demineralization during clear aligner treatment[J]. Stomatology, 2024, 44(10): 742-746.

Figures/Tables 8

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References 15

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项目	类别	被调查人数(n)	新发人数(n)	发病率/%	χ²	P
性别	男	49	30	61.22	0.920	0.337
性别	女	102	54	52.94	0.920	0.337
年龄	<18岁	66	44	66.67	5.787	0.016^*
年龄	≥18岁	85	40	47.06	5.787	0.016^*
治疗时间	<24个月	73	42	57.53	0.208	0.648
治疗时间	≥24个月	78	42	53.85	0.208	0.648

项目	类别	被调查牙数(n)	新发牙数(n)	发病率/%	χ²	P
有无附件	无	1 154	145	12.56	25.32	<0.001^***
有无附件	有	2 353	456	19.38	25.32	<0.001^***
上下前牙	上颌前牙	880	235	26.70	-	<0.001^***
上下前牙	下颌前牙	880	94	10.68	-	<0.001^***
上下后牙	上颌后牙	843	113	13.40	-	0.005^**
上下后牙	下颌后牙	843	144	17.08	-	0.005^**
左右侧	左侧	1 734	272	15.69	-	<0.001^***
左右侧	右侧	1 734	321	18.51	-	<0.001^***

项目	类别	平均EDI指数 (中位数,四分位间距)	P
性别	男	0.291 7,0.733 5	0.133
性别	女	0.208 3,0.419 1	0.133
年龄	<18岁	0.337 5,0.775 6	0.006^**
年龄	≥18岁	0.170 3,0.282 1	0.006^**
治疗时间	<24个月	0.212 9,0.414 1	0.120
治疗时间	≥24个月	0.255 4,0.656 3	0.120

项目	类别	平均EDI指数 (中位数,四分位间距)	P
上下前牙	上颌前牙	0.500 0,1.000 0	<0.001^***
上下前牙	下颌前牙	0.000 0,0.333 3	<0.001^***
上下后牙	上颌后牙	0.166 7,0.458 3	0.005^**
上下后牙	下颌后牙	0.166 7,0.666 7	0.005^**
左右侧	左侧	0.250 0,0.566 7	0.001^**
左右侧	右侧	0.250 0,0.575 8	0.001^**

Clinical investigation of enamel demineralization during clear aligner treatment

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