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Evaluation of alveolar bone density and thickness of the mandibular molars in patients with periodontitis
ABEER A AL-Sosowa 1,MOHAMMED N Alhajj 2,EHAB A.Abdulghani 1,ZHE He 1,PANG Yunqing 1,LI Na 1,WANG Jing 1 *
1.School of stomatology ,Lanzhou univerity ,Gansu Province,Lanzhou city ,730000
2.Department of periodontics, Faculity Of Dentistry , Thamar University , Yemen
*Correspondence author
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Funding: none
Opened online: 3 June 2021
Accepted by: none
Citation: ABEER A AL-Sosowa,MOHAMMED N Alhajj,EHAB A.Abdulghani.Evaluation of alveolar bone density and thickness of the mandibular molars in patients with periodontitis[OL]. [ 3 June 2021] http://en.paper.edu.cn/en_releasepaper/content/4755079
 
 
Background: Periodontitis is the main cause of tooth loss in adults and is closely related to many diseases throughout the body. The main purpose of this study is to use Cone beam computed tomography (CBCT) to study the difference in alveolar bone density and thickness of mandibular molars in patients with periodontitis in Gansu, in order to provide guidance for treatment plans for patients with periodontitis. Methods: CBCT was used to evaluate the buccal and lingual alveolar bone loss, bone density and bone thickness of 668 mandibular molars (344 periodontal healthy teeth and 324 periodontitis teeth) of 167 subjects. Compare the changes in alveolar bone density and thickness between healthy individuals and patients with periodontitis, and explore its relationship with tooth type, tooth surface, root position, degree of bone loss, age and gender. Results: The alveolar bone density and thickness of healthy individuals were higher than those of periodontitis patients, but only the buccal bone thickness was statistically significant (P<0.01). There were significant differences in alveolar bone density and thickness between the left and right molars, between the first molar and the second molar, and between the mesial and distal surfaces of the molars between healthy periodontal patients and patients with periodontitis (P<0.01) . For periodontitis patients, the buccal bone density and thickness between different degrees of alveolar bone loss have significant differences (P<0.01). There were significant differences in alveolar bone density between periodontal healthy individuals and periodontitis patients of different genders and ages (P<0.01). However, the thickness of the alveolar bone of periodontitis patients of different genders and ages were significantly different (P<0.01). Gender had a significant effect on the lingual alveolar bone density of periodontal healthy individuals and periodontitis patients (P<0.01). The tooth type, tooth surface and tooth root mesial and distal faces had significant effects on the alveolar bone thickness of periodontal healthy individuals and periodontitis patients (P<0.01). Conclusion: The thickness of alveolar bone in healthy periodontal patients is significantly higher than that in patients with periodontitis. The alveolar bone density and thickness of periodontal healthy individuals and periodontitis patients are affected by many factors.
Keywords:alveolar bone density; alveolar bone thickness; CBCT; periodontitis
 
 
 

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