The Effect of Vertical and Horizontal Head Positioning in Panoramic Radiography on Mesiodistal Tooth Angulations

Angle Orthodontist

Volumn 71, Issue 6, 2001, Pages 442-451

  Mckee, Ian W ^a   Glover, Kenneth E ^a   Williamson, Philip C ^b   Lam, Ernest W ^a   Heo, Giseon ^b   Major, Paul W ^a  

^a UNIVERSITY OF ALBERTA   (Canada)

^b UNIVERSITY OF ALBERTA   (Canada)

Author keywords

Axial inclination; Head rotation; Patient positioning; Root parallelism

Indexed keywords

ARTICLE; BODY POSTURE; CEPHALOMETRY; DIAGNOSTIC ERROR; HEAD MOVEMENT; HUMAN; IMAGE QUALITY; INSTRUMENTATION; MALOCCLUSION; PANORAMIC RADIOGRAPHY;

CEPHALOMETRY; DIAGNOSTIC ERRORS; HEAD MOVEMENTS; HUMAN; MALOCCLUSION; PHANTOMS, IMAGING; POSTURE; RADIOGRAPHIC IMAGE ENHANCEMENT; RADIOGRAPHY, PANORAMIC; SUPPORT, NON-U.S. GOV'T;

EID: 0035651314     PISSN: 00033219     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (41)

1. Mayoral G. Treatment results with light wires studied by panoramic radiography. Am J Orthod. 1982;81:489-497.
2. Lucchesi MV, Wood RE, Nortje CJ. Suitability of the panoramic radiograph for assessment of mesiodistal angulation of teeth in the buccal segments of the mandible. Am J Orthod Dentofac Orthop. 1988;94:303-310.
3. Ursi WJ, Almeida RR, Tavano O, Henriques JF. Assessment of mesiodistal axial inclination through panoramic radiography. J Clin Orthod. 1990;24:166-173.
4. Andrews LF. The six keys to normal occlusion. Am J Orthod. 1972;62:296-309.
5. Edwards JG. The prevention of relapse in extraction cases. Am J Orthod. 1971;60:128-144.
6. Graber TM. Postmortems in posttreatment adjustment. Am J Orthod. 1966;52:331-352.
7. Hatasaka HH. A radiographic study of roots in extraction sites. Angle Orthod. 1976;46:64-68.
8. Holdaway RA. Bracket angulation as applied to the edgewise appliance. Angle Orthod. 1952;22:227-236.
9. Strong RJ. Factors associated with successful orthodontic treatment. Am J Orthod. 1952;38:790-800.
10. Jarabak JR, Fizzell JA. Technique and Treatment With Light-Wire Edgewise Appliances. St Louis, Mo: CV Mosby Co; 1972:277-379.
11. Goaz PW, White SC. Oral Radiology: Principles and Interpretations. 2nd ed. St Louis, Mo: CV Mosby Co; 1987:314-338.
12. Frykholm A, Malmgren O, Samfors KA, Welander U. Angular measurements in orthopantomography. Dentomaxillofac Radiol. 1977;6:77-81.
13. Samfors KA, Welander U. Angle distortion in narrow beam rotation radiography. Acta Radiol Diagn (Stockh). 1974;15:570-576.
14. Tronje G, Welander U, McDavid WD, Morris CR. Image distortion in rotational panoramic radiography. III: inclined objects. Acta Radiol Diagn (Stockh). 1981;22:585-592.
15. Turner KO. Limitations of panoramic radiography. Oral Surg Oral Med Oral Pathol. 1968;26:312-320.
16. Kite OW, Swanson T, Levin S, Bradbury E. Radiation and image distortion in the panorex x-ray unit. Oral Surg. 1962;15:1201-1210.
17. Samawi SS, Burke PH. Angular distortion in orthopantomogram. Br J Orthod. 1984;11:100-107.
18. Rowse CW. Notes on interpretation of the orthopantomogram. Br Dent J. 1971;130:425-434.
19. Updegrave WJ. The role of panoramic radiography in diagnosis. Oral Surg Oral Med Oral Pathol. 1966;22:49-57.
20. Lund TM, Manson-Hing LR. A study of the focal troughs of three panoramic dental x-ray machines. I: the area of sharpness. Oral Surg Oral Med Oral Pathol. 1975;39:318-328.
21. Manson-Hing LR, Lund TM. A study of the focal troughs of three panoramic dental x-ray machines, II: image dimensions. Oral Surg Oral Med Oral Pathol. 1975;39:647-653.
22. Schiff T, D'Ambrosio J, Glass BJ, Langlais RP, McDavid WD. Common positioning and technical errors in panoramic radiography. J Am Dent Assoc. 1986;113:422-426.
23. McVaney TP, Kalkwarf KL. Misdiagnosis of an impacted supernumerary tooth from a panographic radiograph. Oral Surg Oral Med Oral Pathol. 1976;41:678-681.
24. Scarfe WC, Eraso FE, Farman AG. Characteristics of the Orthopantomograph OP 100. Dentomaxillofac Radiol. 1998;27:51-57.
25. McDavid WD, Tronje G, Welander U, Morris CR, Nummikoski P. Imaging characteristics of seven panoramic x-ray units. Dentomaxillofac Radiol. 1985;8(suppl):1-68.
26. Lund TM, Manson-Hing LR. Relations between tooth positions and focal troughs of panoramic machines. Oral Surg Oral Med Oral Pathol. 1975;40:285-293.
27. Hassen SM, Manson-Hing LR. A study of the zone of sharpness of three panoramic x-ray machines and the effect of screen speed on the sharpness zone. Oral Surg Oral Med Oral Pathol. 1982; 54:242-249.
28. Razmus TF, Glass BJ, McDavid WD. Comparison of image layer location among panoramic machines of the same manufacturer. Oral Surg Oral Med Oral Pathol. 1989;67:102-108.
29. Welander U, Wickman G. Blurring and layer thickness in narrow beam rotational radiography. Acta Radiol Diagn (Stockh). 1977; 18:705-714.
30. Glass BJ, McDavid WD, Welander U, Morris CR. The central plane of the image layer determined experimentally in various rotational panoramic x-ray machines. Oral Surg Oral Med Oral Pathol. 1985;60:104-112.
31. Scarfe WC, Nummikoski P, McDavid WD, Welander U, Tronje G. Radiographic interproximal angulations: implications for rotational panoramic radiography. Oral Surg Oral Med Oral Pathol. 1993;76:664-672.
32. Friedland B. Clinical radiological issues in orthodontic practice. Semin Orthod. 1998;4:64-78.
33. Larheim TA, Svanaes DB. Reproducibility of rotational panoramic radiography: mandibular linear dimensions and angles. Am J Orthod Dentofac Orthop. 1986;90:45-51.
34. Wyatt DL, Farman AG, Orbell GM, Silveira AM, Scarfe WC. Accuracy of dimensional and angular measurements from panoramic and lateral oblique radiographs. Dentomaxillofac Radiol. 1995;24:225-231.
35. Tronje G, Eliasson S, Julin P, Welander U. Image distortion in rotational panoramic radiography, II: vertical distances. Acta Radiol Diagn (Stockh). 1981;22:449-455.
36. Chaushu S, Chaushu G, Decker A. The use of panoramic radiographs to localize displaced maxillary canines. Oral Surg Oral Med Oral Radiol Endod. 1999;88:511-516.
37. Gavel V, Dermaut V. The effect of tooth position on the image of unerupted canines on panoramic radiographs. Eur J Orthod. 1999;21:551-560.
38. Philipp RG, Hurst RV. The cant of the occlusal plane and distortion in the panoramic radiograph. Angle Orthod. 1978;48:317-323.
39. Martinez-Cruz S, Manson-Hing LR. Comparison of focal trough dimensions and form by resolution measurements in panoramic radiography. J Am Dent Assoc. 1987;114:639-642.
40. Xie Q, Soikkonen K, Wolf J, Mattila K, Gong M, Ainamo A. Effect of head positioning in panoramic radiography on vertical measurements: an in vitro study. Dentomaxillofac Radiol. 1996; 25:61-66.
41. Mckee IW. The Accuracy of Panoramic Radiography in the Assessment of Mesiodistal Tooth Angulations at Varying Horizontal and Vertical Head Positions [master's thesis]. Edmonton, Alberta, Canada: University of Alberta; 2001.