上颌前牙区牙周生物型特征间的相关性研究

doi:10.7518/hxkq.2020.04.008

华西口腔医学杂志 ›› 2020, Vol. 38 ›› Issue (4): 398-403.doi: 10.7518/hxkq.2020.04.008

上颌前牙区牙周生物型特征间的相关性研究

袁洁¹(), 郭倩倩², 李麒³, 隋岩军⁴, 姜宝岐⁵()

1.浙江大学医学院附属邵逸夫医院牙科中心,杭州 310016
2.宁波市医疗中心李惠利医院口腔科,宁波 315000
3.济东口腔医院,济南 250014
4.山东大学齐鲁医学院口腔医学院·口腔医院城西分院山东省口腔组织再生重点实验室山东省口腔生物材料与组织再生工程实验室,济南 250012
5.山东大学齐鲁医学院口腔医学院·口腔医院种植科山东省口腔组织再生重点实验室山东省口腔生物材料与组织再生工程实验室,济南 250012

收稿日期:2019-10-02 修回日期:2020-03-11 出版日期:2020-08-01 发布日期:2020-08-03
通讯作者: 姜宝岐 E-mail:jiangbaoqione@163.com
作者简介:袁洁,主治医师,硕士,E-mail： yuan_jie12388@zju.edu.cn

Relationships among the periodontal biotype characteristics in the maxillary anterior

Yuan Jie¹(), Guo Qianqian², Li Qi³, Sui Yanjun⁴, Jiang Baoqi⁵()

1. Scottsdale Center for Dentistry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
2. Dept. of Stomatology, Ningbo Medical Center Lihuili Hospital, Ningbo 315000, China
3. Jidong Stomatological Hospital, Jinan 250014, China
4. West Branch, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan 250012, China
5. Dept. of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan 250012, China

Received:2019-10-02 Revised:2020-03-11 Online:2020-08-01 Published:2020-08-03
Contact: Jiang Baoqi E-mail:jiangbaoqione@163.com

摘要/Abstract

摘要：

目的运用锥形束CT测量上颌前牙唇侧牙龈厚度与唇侧牙槽骨厚度,通过口内及模型测量牙冠宽长比、角化龈宽度、游离龈缘曲度,分析各牙周生物型特征之间的相关性。方法选取40位牙周健康的青年志愿者,运用牙周探诊法预先判断受试牙位的牙龈厚薄,运用锥形束CT间接显影方法测量受试者上颌前牙区唇侧釉牙骨质界处牙龈厚度,以及牙槽嵴顶根方1、3、5 mm处牙槽骨厚度,通过口内及模型测量牙冠宽长比、附着龈宽度及游离龈缘曲度。结果牙周探诊法区分的厚龈型与薄龈型间牙龈厚度的差异有统计学意义（P<0.01）。厚龈型（牙龈厚度≥1 mm）与薄龈型（牙龈厚度<1 mm）相应的牙周生物型特征之间的差异有统计学意义（P<0.05）。上颌前牙唇侧牙龈厚度与牙槽骨厚度呈正相关（r=0.293,P=0.001）,与牙冠宽长比呈正相关（r=0.273,P=0.003）,与角化龈宽度呈正相关（r=0.291,P=0.001）,与游离龈缘曲度呈正相关（r=0.290,P=0.001）。结论牙周探诊法可用于对牙龈厚薄的快速判断,不同牙周生物型在软硬组织厚度及形态上有差异,相对于厚龈型,薄龈型治疗的美学风险更大。

关键词: 牙周生物型, 牙龈厚度, 牙槽骨厚度, 口腔种植

Abstract:

Objective To explore the correlation among gingival thickness (GT), underlying alveolar bone thickness (BT), and other periodontal biotype characteristics in the maxillary anterior. Methods A total of 40 young volunteers with healthy periodontal were involved in this research. The periodontal probe was previously used to divide the gingiva from thick to thin. Two records were measured by cone beam CT (CBCT) GT, which was measured at the cement-enamel junction level; and BT, which was measured at 3 locations: 1, 3, 5 mm below the alveolar crest. Oral and gypsum measurements were used to analyze the associations of the crown width/crown length ratio (CW/CL), the keratinized mucosa width (KM), and the free gingival margin curvature. Results Significant difference in the GT was observed between the thick and thin biotypes, which were divided by periodontal probe (P<0.01). Difference was observed in each periodontal biotype characteristic between the thick (GT≥1 mm) and thin biotypes (GT<1 mm) (P<0.05). BT was positively associated with GT (r=0.293, P=0.001), CW/CL (r=0.273, P=0.003), KM (r=0.291, P=0.001), and free gingival margin curvature (r=0.290, P=0.001). Conclusion The transparency of the probing in the sulcus could analyze the GT qualitatively. The thick and thin biotypes have different periodontal biotype characteristics. Compared with individuals with thick biotype, those with thin biotype are susceptible to risk dental aesthetic.

Key words: periodontal biotype, gingival thickness, bone thickness, oral implantology

中图分类号:

R781.4

袁洁, 郭倩倩, 李麒, 隋岩军, 姜宝岐. 上颌前牙区牙周生物型特征间的相关性研究[J]. 华西口腔医学杂志, 2020, 38(4): 398-403.

Yuan Jie, Guo Qianqian, Li Qi, Sui Yanjun, Jiang Baoqi. Relationships among the periodontal biotype characteristics in the maxillary anterior[J]. West China Journal of Stomatology, 2020, 38(4): 398-403.

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牙位	厚龈型		薄龈型		P值
牙位	厚度/mm	牙位数	厚度/mm	牙位数	P值
中切牙	1.43±0.28	28	1.22±0.25	12	0.024
侧切牙	1.10±0.22	22	0.87±0.29	18	0.010
尖牙	0.95±0.26	24	0.78±0.24	16	0.038
合计	1.18±0.33	74	0.93±0.31	46	<0.01

因素	中切牙	侧切牙	尖牙	合计
牙槽骨厚度/mm	0.79±0.24^?	0.69±0.29	0.89±0.30^?	0.79±0.29
角化龈宽度/mm	5.53±1.40	5.10±1.55*	5.00±1.40*	5.21±1.46
牙冠宽长比	0.75±0.07^#	0.68±0.10	0.73±0.09^#	0.72±0.09
游离龈缘曲度/°	92.90±12.38	88.25±9.87^★	89.40±10.58	90.18±11.08

因素	厚龈型	薄龈型	P值
牙槽骨厚度/mm	0.85±0.29	0.71±0.27	0.007
角化龈宽度/mm	5.54±1.39	4.78±1.44	0.005
牙冠宽长比	0.79±0.09	0.74±0.09	0.023
游离龈缘曲度/°	92.66±11.44	86.94±9.80	0.004

上颌前牙区牙周生物型特征间的相关性研究

Relationships among the periodontal biotype characteristics in the maxillary anterior

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