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  本文關(guān)鍵詞： Q分類法 唇珠 牙列中線 美學(xué)評價　出處：《遵義醫(yī)學(xué)院》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：目的:通過Q分類法評價不同人群對唇珠位置偏斜患者的牙列中線位置的美學(xué)評價差異。方法:利用Adobe Photoshop CS6軟件將男女模特照片處理為唇珠中點偏移和唇珠中點、牙齒同時偏移的模板,以1 mm為增量,左右各3 mm,得到符合要求的男性女性各13張照片。由160名口腔醫(yī)生(78男,82女)、165名正畸患者(82男,83女)、163名大一新生(78男,85女)用Q分類法進行牙列中線位置的美學(xué)評價。獲得的相關(guān)數(shù)據(jù)經(jīng)SPSS23.0進行統(tǒng)計學(xué)單向方差分析、兩兩對比及t檢驗分析,P0.05時,結(jié)果具有統(tǒng)計學(xué)意義。結(jié)果:1、大部分口腔醫(yī)生能識別出2 mm以下的偏斜,但當唇珠中點偏斜1 mm時,對牙列中線與唇珠中點或與面中線保持一致的選擇無顯著性統(tǒng)計學(xué)差異。當唇珠中點偏斜≥2 mm時,首選上頜牙列中線與面中線一致且有統(tǒng)計學(xué)意義。2、大部分正畸患者及大一新生不能辨別出2 mm以下的偏斜,且當唇珠中點偏斜≤2 mm時,對于上頜牙列中線位置的選擇無統(tǒng)計學(xué)差異。當唇珠中點偏斜3 mm時,正畸患者與學(xué)生優(yōu)先選擇上頜牙列中線與面中線一致且具有統(tǒng)計學(xué)意義。3、與美學(xué)相關(guān)性密切的科室(正畸科、修復(fù)科、種植科)的醫(yī)生相比其他科室醫(yī)生審美評價更具有一致性,且要求嚴苛,對偏斜程度敏感性高。當唇珠中點偏斜時,其優(yōu)先選擇牙列中線與面中線一致且具有統(tǒng)計學(xué)意義。4、不同性別的評價者對多組女性模特照片的評價存在顯著差異,而在偏斜程度為1 mm時,女性的辨識程度較男性高。5、多數(shù)左右偏斜相同程度的照片,向右側(cè)偏斜比向左側(cè)偏斜的照片平均Q得分低,被認為更具有吸引力。結(jié)論:1、非專業(yè)人士對唇珠中點≤2 mm的偏斜感知度低,正畸醫(yī)生在矯正過程中對于牙列中線的位置選擇應(yīng)提供正確的審美導(dǎo)向,尤其是年輕女性患者應(yīng)做好充分的術(shù)前溝通。2、當唇珠中點偏斜且偏斜量達到3 mm時,大眾更能接受牙列中線與面中線一致的治療方法,而非牙列中線與唇珠中點位置一致的治療方案。3、牙齒矯正過程中,牙列中線、唇珠中點、面中線間的不調(diào)關(guān)系應(yīng)盡量控制在2 mm以內(nèi)。
[Abstract]:Objective: through the Q classification method to evaluate the teeth on the lip bead position deviation patients among different column aesthetic evaluation midline differences. Methods: using Adobe Photoshop CS6 software will be male and female models photo processing lip lip bead and bead midpoint offset midpoint, teeth at the same time offset of the template, with 1 mm increments of about 3 mm. Get in line with the requirements of the male and female each 13 photos. By 160 dentists (78 male, 82 female), 165 orthodontic patients (82 male, 83 female), 163 freshman (78 male, 85 female) with Q classification of dentition aesthetic evaluation of midline. Relevant data received it was analyzed by SPSS23.0 statistical analysis, one-way ANOVA, t test and comparison of 22 P0.05, the results were statistically significant. Results: 1, most dentists can identify 2 mm deflection, but when the midpoint deflection of lip beads at 1 mm of dental midline with lip beads or stay with the midline point The same choice no statistical significant difference. When the midpoint deflection lip bead was greater than 2 mm, the preferred maxillary dental midline with midline consistent and statistically significant.2, and most patients were freshman can identify 2 mm below the deflection, and when the midpoint deflection of lip beads less than 2 mm, the maxillary teeth column midline selection showed no significant difference. When the midpoint deflection lip bead 3 mm, and the students preferred orthodontic patients of maxillary dentition and midline midline consistent and statistically significant.3, close correlation and aesthetics (Department of Orthodontics, Department of Prosthodontics, Department of plant) doctor compared to other doctors with more aesthetic evaluation consistency and demanding, the deflection degree of high sensitivity. When the midpoint deflection of lip bead, the preferred dental midline with midline consistent and statistically significant.4, evaluation of different gender on groups of female models There are significant differences in the evaluation sheet, skewness is 1 mm, the identification degree of female is higher than male.5, most about the same degree of deviation of photos, skewed to the right than the average score is skewed to the left photo Q low, is considered more attractive. Conclusion: 1, non professionals of vermilion point less than 2 mm of the low degree of skewed perception, orthodontic doctors in the correction process for dental midline position should provide correct aesthetic direction, especially young women should make full preoperative communication.2, when the midpoint deflection and deflection of lip beads reached 3 mm, the public can accept dental treatment the midline midline and consistent, and non dentition treatment of midline and lip bead midpoint position consistent.3 orthodontic process, dental midline, the midpoint of the midline cleft lip, the relationship should be controlled within 2 mm.

【學(xué)位授予單位】：遵義醫(yī)學(xué)院
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：R783.5

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