上颌后牙根尖周病变与上颌窦底病理影响关系的锥形束CT研究

Abstract

Abstract: Abstract: Objective: To observe the thickness of maxillary sinus mucosa and analyze the influence of sex, age and loss of posterior teeth, and to evaluate the relationship between periapical disease of maxillary posterior teeth and the maxillary sinus mucosa thickening. Methods: CBCT images were collected from 334 Chinese patients（including 636 sinus）. In NNT, the thickness of maxillary sinus mucosa(Type A:≤2mm；Type B：＞2mm) was recorded in the sagittal and coronal planes. Sex, age, side and loss of adjacent posterior teeth were also recorded. In patients without tooth loss, the affected relationship was recorded, including Type os(the lesion had a certain distance to the MSF), Type co(the lesion contacted the MSF) and Type is(the lesion intruded into the MSF). All patients were divided into three age groups:18-40 years，41-60 years and ＞60 years. Results: The proportion of pathological maxillary sinus mucosal thickening was 40.4%. There was a significant increase in the proportion of pathological mucosal thickening when periapical disease existed(P < 0.05) and the thickness of sinus mucosa had no significant difference with three different affected relationship(P＞0.05). The proportion of mucosal thickening in the male(45.6%) was significantly greater than that of women (36.3%) (P < 0.05).The pathological thickening ratio of maxillary sinus mucosa in people over 40 years old was significantly greater than those under 40 (P < 0.05).The proportion (58.9%) of the pathological mucosal thickening with posterior tooth loss was significantly higher than that tooth loss (35.7%) (P < 0.05). Conclusions: There was a high proportion of patients with pathological mucosal thickening in male, middle-aged and elderly patients and people with tooth loss. Periapical lesion is the main factor leading to the thickening of the maxillary sinus mucosa, and the incidence of mucosal thickening is significantly increased with the gradual invasion of periapical lesion. The possibility of maxillary sinusitis could not be ruled out even if the lesion was not reached in the MSF.

Key words: periapical disease, tooth loss, maxillary sinus, mucosal thickening, CBCT

CLC Number:

R781.4

References

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An Analysis of the pathological influence of periapical disease of maxillary posterior teeth to the maxillary sinus floor using cone beam computed tomography

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