title: Vertical measurements for planning palatal mini-implants in lateral radiography and cone beam computed tomography.
abstract: OBJECTIVE
  To compare palatal bone height measurements in the region of first premolars for planning palatal mini-implant insertion on conventional lateral radiography (CLR), cone beam computed tomography (CBCT), and reformatted virtual lateral radiography (VLR).
  
  
  METHODS
  One hundred ten images of CLR, VLR, and CBCT from the same patient were used. Linear measurements corresponding to the relevant dimension of available bone on upper first premolar site were performed between the hard palate floor and the nasal floor. The Friedman test compared the measurements of all imaging modalities. Intraobserver and interobserver agreement was calculated with the intraclass correlation coefficient (ICC).
  
  
  RESULTS
  The ICC values showed excellent intraobserver and interobserver agreement. VLR examination resulted in measurements statistically different from both CBCT and CLR images (P < 0.05), being underestimated when compared with these techniques, and the values found on CLR did not show statistically significant differences from the CBCT images (P > 0.05).
  
  
  CONCLUSIONS
  The measurements for planning palatal mini-implants at the level of first premolars are comparable on CLR and multiplanar reconstructions of CBCT, whereas underestimated in reformatted examinations (VLR).
authors.affiliation: *Student, Department of Oral Diagnosis, Division of Oral Radiology, Piracicaba Dental School, University of Campinas, São Paulo, Brazil. †Associate Professor, Department of Oral Diagnosis, Division of Oral Radiology, Piracicaba Dental School, University of Campinas, São Paulo, Brazil.
authors.forename: Gabriella Lopes
authors.initials: GL
authors.lastname: de Rezende Barbosa
authors.forename: Laura Ricardina
authors.initials: LR
authors.lastname: Ramírez-Sotelo
authors.forename: Débora de Melo
authors.initials: Dde M
authors.lastname: Távora
authors.forename: Solange Maria
authors.initials: SM
authors.lastname: de Almeida
mesh_terms: D000293:Adolescent; D000328:Adult; D054893:Cone-Beam Computed Tomography / Q000379:methods*; D006801:Humans; D010159:Palate / Q000033:anatomy & histology*; D019736:Prostheses and Implants; D055815:Young Adult