Three Dimensional Analysis of Primary Maxillary Central and Lateral Anterior Zirconia Crown

이정민; Lee Hyo-Seol (이효설); NAM OK HYUNG (남옥형); Kim Mi Sun (김미선); Chul Choi Sung (최성철)

doi:10.5933/JKAPD.2016.43.2.176

Three Dimensional Analysis of Primary Maxillary Central and Lateral Anterior Zirconia Crown

Journal of the Korean academy of pediatric dentistry
Abbr : J Korean Acad Pediatr Dent
2016, 43(2), pp.176-186
DOI : 10.5933/JKAPD.2016.43.2.176
Publisher : The Korean Academy Of Pediatric Dentistry
Research Area : Medicine and Pharmacy > Dentistry

이정민 ¹, Lee Hyo-Seol ², NAM OK HYUNG ³, Kim Mi Sun ³, Chul Choi Sung ²

¹경희대학교 치의학전문대학원 소아치과학교실
²경희대학교
³경희의료원

Accredited

ABSTRACT

This study was performed to compare the shape and dimension of anterior zirconia crowns to other pediatric crowns using a three-dimensional scanner to investigate adequate amount of tooth preparation. Primary central and lateral anterior zirconia crowns, stainless steel crowns and celluloid strip crowns were scanned by a three-dimensional scanner. Outer and inner surfaces of zirconia and stainless steel crowns, and outer surface of celluloid strip crowns were analyzed. In outer scanned images, all sizes of central and lateral size 1 zirconia crown had the largest labiolingual diameter among the three crowns. In inner scanned images, zirconia crown’s mesiodistal diameter was 0.7-1.0 mm smaller and crown length was approximately 1 mm shorter than those of stainless steel crowns. Zirconia crown’s labiolingual diameter was larger in central crowns whereas it was smaller in lateral crowns than that of stainless steel crowns. Recommended preparation required for zirconia crown is incisal 2.5-3.0 mm, mesiodistal 1.5-2.0 mm, labial 0.5-1.0 mm. Cingulum should be trimmed parallel to the long axis. No more lingual reduction is needed in central incisors whereas additional 0.5 mm reduction is suggested in lateral incisors.

KEYWORDS

Zirconia crown, Primary incisors, Tooth preparation, Three dimension

Citation status

* References for papers published after 2023 are currently being built.

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Journal of the Korean academy of pediatric dentistry 2023 KCI Impact Factor : 0.48

Three Dimensional Analysis of Primary Maxillary Central and Lateral Anterior Zirconia Crown

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Citation status

* References for papers published after 2023 are currently being built.

Journal of the Korean academy of pediatric dentistry 2023 KCI Impact Factor : 0.48

Three Dimensional Analysis of Primary Maxillary Central and Lateral Anterior Zirconia Crown

ABSTRACT

KEYWORDS

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* References for papers published after 2023 are currently being built.