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核心技术专利：CN118964589B侵权必究

核心技术专利：CN118964589B侵权必究

Angle Orthod. 1977 Jul;47(3):165-72. doi: 10.1043/0003-3219(1977)047<0165:TEAPOM>2.0.CO;2.

Skeletal Class II dental base relationship with a shorter, narrower, more acute angled madible was found in association with impacted third molars, compared with erupted teeth. 2. These differences were found at age 18+ years but were less obvious at age 10 to 11 years. 3. There was a reduced amount of mandibular growth in impacted third molar cases. 4. There was a slight tendency for impacted third molars to be larger than those which erupted. 5. The presence of a space between second and third molars in the early stages of development is not an indication that the third molar will erupt. 6. The developmental angulation of the third molar to the mandibular plane was higher in the impacted third molar group. 7. Accurate prediction of third molar impaction from radiographic measurements is not possible at age 10 to 11 years.

与已萌出牙齿相比，发现骨性II类牙合关系且下颌骨较短、较窄、角度更锐的情况与阻生第三磨牙有关。2. 这些差异在18岁及以上人群中出现，但在10至11岁时不太明显。3. 阻生第三磨牙病例的下颌骨生长量减少。4. 阻生第三磨牙有略大于已萌出第三磨牙的趋势。5. 在发育早期第二和第三磨牙之间存在间隙并不表明第三磨牙会萌出。6. 阻生第三磨牙组中第三磨牙相对于下颌平面的发育角度更高。7. 在10至11岁时，通过X线测量准确预测第三磨牙阻生是不可能的。

Angle Orthod. 1977 Jul;47(3):165-72. doi: 10.1043/0003-3219(1977)047<0165:TEAPOM>2.0.CO;2.

Skeletal Class II dental base relationship with a shorter, narrower, more acute angled madible was found in association with impacted third molars, compared with erupted teeth. 2. These differences were found at age 18+ years but were less obvious at age 10 to 11 years. 3. There was a reduced amount of mandibular growth in impacted third molar cases. 4. There was a slight tendency for impacted third molars to be larger than those which erupted. 5. The presence of a space between second and third molars in the early stages of development is not an indication that the third molar will erupt. 6. The developmental angulation of the third molar to the mandibular plane was higher in the impacted third molar group. 7. Accurate prediction of third molar impaction from radiographic measurements is not possible at age 10 to 11 years.

与已萌出牙齿相比，发现骨性II类牙合关系且下颌骨较短、较窄、角度更锐的情况与阻生第三磨牙有关。2. 这些差异在18岁及以上人群中出现，但在10至11岁时不太明显。3. 阻生第三磨牙病例的下颌骨生长量减少。4. 阻生第三磨牙有略大于已萌出第三磨牙的趋势。5. 在发育早期第二和第三磨牙之间存在间隙并不表明第三磨牙会萌出。6. 阻生第三磨牙组中第三磨牙相对于下颌平面的发育角度更高。7. 在10至11岁时，通过X线测量准确预测第三磨牙阻生是不可能的。