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本组15例,男性12例,女性3例;年龄在51～81岁间,平均60岁。上颌7例,下颌8例,15例共复盖桩20枚。上颌7例中,切牙单桩1例,尖牙单桩5例,切牙、尖牙双桩1例。下颌8例中,切牙单桩2例,尖牙单桩1例,切牙双桩1例,尖牙双桩4例。15例均经2年以上观察,其中下颌单桩1例一月后因根尖周炎而拔除牙根,另1例上颌单桩二月后牙根自行脱落。
The group of 15 cases, 12 males and 3 females; aged 51 to 81 years, mean 60 years. 7 cases of maxillary, 8 cases of mandibular, 15 cases covered a total of 20 piles. In the maxillary, 7 cases were single incisor incisors, 5 canis single incisors, 1 incisor and canine double piles. In 8 cases of mandibular incisors, there were 2 incisors, 1 incisor single incision, 1 incisor double incision and 4 canine double compasses. All the 15 cases were observed for more than 2 years. Among them, one case of mandibular single-stump was removed due to periapical periodontitis one month later, and the other one case of maxillary single-stump self-detached after February.