title: A laboratory investigation of the accuracy of the repositioning impression coping technique at the implant level for single-tooth implants.
abstract: This study investigated the accuracy of the repositioning impression technique at the implant level using vinyl polysiloxane impression material. Three groups each of ten senior dentists, postgraduate students and technicians were asked to use this technique to record the position of an implant in a master model. The Reflex Microscope was used to measure variations between the resulting casts and the master model. Significant difference between the casts and the master model in the X and Y-axes (p < 0.01) was recorded. Alarming inclinational and rotational errors for the implant analogue position were measured with all groups of operators. Similar distortion in the Z-axis was recorded.
authors.affiliation: fdaoudi@oralbeauty.co.uk
authors.forename: M Firas
authors.initials: MF
authors.lastname: Daoudi
authors.forename: Derrick J
authors.initials: DJ
authors.lastname: Setchell
authors.forename: Lloyd J
authors.initials: LJ
authors.lastname: Searson
mesh_terms: D000704:Analysis of Variance; D000044:Dental Abutments; D015921:Dental Implants; D003760:Dental Impression Materials; D003761:Dental Impression Technique; D006801:Humans; D007574:Jaw Relation Record; D003765:Models, Dental; D011145:Polyvinyls; D015203:Reproducibility of Results; D012833:Siloxanes; D018709:Statistics, Nonparametric
chemical_list: D015921:Dental Implants; D003760:Dental Impression Materials; D011145:Polyvinyls; D012833:Siloxanes; C034183:vinyl polysiloxane