To investigate the clinical effects of dental implantation after column hole shape endosseous expansion in alveoli of anterior maxilla.
观察上颌前部牙槽骨内圆柱洞形扩宽后行同期人工牙种植的临床效果。
2
The maxillary sinus floor elevation is the effective way to resolve the inadequate bone height in the posterior region of the maxilla in order to promote stability of endosseous implants.