The Journal of Korean Academy of Prosthodontics (대한치과보철학회지)

The Korean Academy of Prosthodonitics (대한치과보철학회)
권호 표지

PRELIMINARY STUDY ON THE DESIGN OF IMPLANT ABUTMENT SCREW HEAD FOR RAPID FASTENING & LOOSENING

임플랜트 유지 나사 머리 홈의 설계가 나사를 푸는 시간에 미치는 영향에 관한 연구

  • Lee, Jai-Bong (Dept. of Prosthodontics, School of Dentistry, Seoul National University)
  • 이재봉 (서울대학교 치과대학 보철학교실)
  • Published : 2002.04.01
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Abstract

For the purpose of decreasing the chair time in implant cases, the time needed to loosening and fastening the screw must be shortened. Nowadays, the two typical designs of screw head are slot and hexa form. This study aimed at the shortening of loosening and fastening time by modifying the slot and hexa form. Total of twelve dentists participate in these experiments, four of them were experienced and eight of them were novice dentists. 1. There were many differences in the speeds of screw loosening and fastening between personal experiences. Experienced dentists are faster than novice dentists. 2. There were many differences in the speeds by angulation of the implant, by the conditions of the muscle tonicity. 3. Revised slot and hexa Heads show the slightly shortened time for acrew looseing and fastening.

Keywords

References

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