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为研究3岁以下小儿的牙颌异常,检查塔尔西、林巴日、萨尔杜斯、里加和多贝莱等地区的3岁以下小儿共1226例。结果表明,占首位的牙颌异常是颌骨形态和上下颌相互关系异常,其发生率在塔尔西为61.43±6.82％,林巴日为57.63±6.43％,萨尔杜斯为53.79±4.34％,里加为50.77±1.88％,多贝莱为25.68±5.08％。6个月龄的小儿即可发现颌骨形态异常的初期症状,牙齿萌出期可见同名牙不是成对地萌出,牙齿萌出不成对,使颌骨形态和上下颌相互关系异常进一步加重。2.5～3岁时可以评定牙齿咬合异常,以前后向咬
To study the dentition jaw abnormalities in children under 3 years of age, a total of 1226 pediatric patients under the age of 3 were examined in areas such as Talsi, Limbar, Saldus, Riga and Dobele. The results showed that the first malocclusion was the abnormality of maxilla and mandible, the incidence of which was 61.43 ± 6.82% in Tarsi, 57.63 ± 6.43% in Trinidad and 53.79 ± 4.34 in Saldus %, Rica 50.77 ± 1.88%, Dobeilai 25.68 ± 5.08%. 6-month-old children can be found in the initial symptoms of jaw morphological abnormalities, the eruption of teeth can be seen eponymous teeth not erect in pairs, eruption of teeth unpaired, the jaw morphology and the relationship between mandibular and further aggravated. 2.5 to 3 years old can be rated abnormal teeth occlusion, before and after the bite