title: Accuracy of Dental Implant Placement Using CBCT-Derived Mucosa-Supported Stereolithographic Template.
abstract: OBJECTIVE
  The aim of the present in vivo study was to evaluate whether a difference exists between the maxilla and the mandible regarding the precision of implant placement utilizing a cone beam computed tomography (CBCT)-derived mucosa-supported stereolithographic (SLA) template.
  
  
  METHODS
  Eighty implants (44 maxilla, 36 mandible) were placed in 18 fully edentulous jaws (10 maxillas, eight mandibles) using a mucosa-supported SLA surgical template. A voxel-based registration technique was applied to match the postoperative and preoperative CBCT scans.
  
  
  RESULTS
  Vertical deviation (p = .026) at the implant hex and angular deviation (p = .0188) were significantly lower in the maxilla than in the mandible. The global linear deviation and lateral deviation at the implant hex were not significantly different. At the implant apex, the average maximum vertical deviation was within 1 mm (0.1-4.6 mm). The average maximum lateral deviation was 1.8 mm (0.9-5.5 mm) in the maxilla and 2.3 mm (0.5-5.5 mm) in the mandible when a 15-mm-long implant was placed.
  
  
  CONCLUSIONS
  When using CBCT-derived mucosa-supported SLA templates, clinicians should be aware of differences in the angular deviation of the implants in the mandible and maxilla. The average maximum linear deviation should be considered as a safety margin at the implant apex.
authors.affiliation: Oral and Maxillofacial Surgery, Ziekenhuis Oost-Limburg, Campus St. Jan, Genk, Belgium.|Faculty of Medicine, Hasselt University, Diepenbeek, Belgium.
authors.forename: Yi
authors.initials: Y
authors.lastname: Sun
authors.affiliation: Clinic for Cranio-Maxillofacial Surgery, University Hospital of Zurich, Zurich, Switzerland.
authors.forename: Heinz-Theo
authors.initials: HT
authors.lastname: Luebbers
authors.affiliation: Oral and Maxillofacial Surgery, Ziekenhuis Oost-Limburg, Campus St. Jan, Genk, Belgium.|Department of Oral Health Sciences, KU Leuven & Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium.
authors.forename: Jimoh Olubanwo
authors.initials: JO
authors.lastname: Agbaje
authors.affiliation: Oral and Maxillofacial Surgery, Ziekenhuis Oost-Limburg, Campus St. Jan, Genk, Belgium.|Oral and Maxillofacial Surgery, Faculty of Medicine, Gent University, Gent, Belgium.
authors.forename: Serge
authors.initials: S
authors.lastname: Schepers
authors.affiliation: Faculty of Medicine, Hasselt University, Diepenbeek, Belgium.|Department of Oral Health Sciences, KU Leuven & Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium.
authors.forename: Constantinus
authors.initials: C
authors.lastname: Politis
authors.affiliation: Oral and Maxillofacial Surgery, Ziekenhuis Oost-Limburg, Campus St. Jan, Genk, Belgium.
authors.forename: Sarah
authors.initials: S
authors.lastname: Van Slycke
authors.affiliation: Oral and Maxillofacial Surgery, Ziekenhuis Oost-Limburg, Campus St. Jan, Genk, Belgium.
authors.forename: Luc
authors.initials: L
authors.lastname: Vrielinck
mesh_terms: D000328:Adult; D054893:Cone-Beam Computed Tomography / Q000379:methods*; D003757:Dental Implantation / Q000379:methods*; D005260:Female; D006801:Humans; D007575:Jaw, Edentulous / Q000601:surgery*; D008297:Male; D008334:Mandible / Q000601:surgery*; D008437:Maxilla / Q000601:surgery*; D008875:Middle Aged; D009092:Mucous Membrane; D025321:Surgery, Computer-Assisted
keywords: accuracy; computer-assisted; cone beam computed tomography; dental implant; stereolithographic; surgical template