Comparative study of two transcranial radiographic techniques with use of an Accurad-200 head holder in standard and corrected positions. Making templates to delimit joint spaces

The purpose of this study was to carry out a comparative analysis of two transcranial radiographic techniques with use of an ACCURAD-200 head holder in standard and corrected positions, and to produce a template to assist professionals in measuring anterior and posterior joint spaces to provide information on condyle positioning. Transcranial radiographs were taken of fifty-nine patients in the 18 to 35 age bracket who volunteered to take part in this study. The incidence of the central beam of radiation was corrected with an inferosuperior radiograph. Tracings were made on the transcranial radiographs with use of templates and the linear measures of joint spaces effected with a digital caliper rule. Results showed that for both techniques employed, the posterior joint space was smaller than the anterior, and that the method developed afforded an estimate of condylar position

Mandibular condyle; Temporomandibular joint

Authorship

Solange Maria de ALMEIDA

Universidade Estadual de Campinas, Faculdade de Odontologia, São Paulo, BrazilUniversidade Estadual de CampinasBrazilSão Paulo, BrazilUniversidade Estadual de Campinas, Faculdade de Odontologia, São Paulo, Brazil

Frab Norberto BÓSCOLO

Teresa Cristina Rangel PEREIRA

SCIMAGO INSTITUTIONS RANKINGS

Figures | Tables

Figures (4)
Tables (5)

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FIGURA 1 -
Radiografia ínfero-superior com a delimitação do longo eixo de cada côndilo e suas respectivas angulações em relação à linha A-A'.

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Posterior1,851,682,131,642,311,972,652,161,231,531,681,641,675,392,061,512,624,073,031,102,591,942,332,732,132,162,674,051,771,592,532,992,072,721,122,461,322,502,031,391,192,592,871,853,281,452,394,162,583,621,414,242,853,032,572,264,872,144,88 Anterior1,511,561,451,393,781,281,442,501,952,781,202,142,533,251,681,612,117,331,533,613,702,061,672,572,511,493,685,770,941,791,571,691,395,131,222,123,992,422,442,773,164,021,772,502,831,872,862,642,782,731,822,571,764,002,381,911,841,842,76

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Posterior2,202,022,602,802,653,383,072,181,552,522,291,892,153,233,231,403,216,641,592,432,661,632,392,882,472,621,863,132,261,463,232,091,932,142,243,332,651,981,921,611,151,093,314,484,101,632,343,482,512,241,595,694,043,320,681,783,582,432,45 Anterior1,841,822,372,323,861,852,053,511,772,171,611,312,961,422,584,912,703,482,471,992,331,822,042,591,773,113,214,322,003,251,611,732,733,681,641,190,814,203,811,671,943,682,052,373,871,912,002,182,542,841,404,571,635,264,681,941,474,034,55

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Posterior2,131,272,283,142,171,972,650,812,111,462,272,001,663,771,332,061,733,912,141,531,481,581,033,072,132,682,932,131,771,591,191,352,184,941,302,314,072,423,323,213,681,991,933,062,831,823,063,482,802,891,822,971,184,572,232,181,992,842,93 Anterior2,420,801,942,582,611,281,442,782,733,002,652,302,641,113,002,031,757,331,283,413,361,783,392,682,511,352,893,790,941,791,191,352,184,941,302,314,072,423,323,213,681,991,933,062,831,823,063,482,802,891,822,961,184,572,232,181,991,842,93

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Posterior2,241,303,361,751,902,582,841,731,771,891,711,122,233,012,421,401,731,591,312,293,831,632,253,540,762,882,202,202,622,113,413,471,432,142,243,011,780,941,892,721,021,893,534,302,441,262,502,742,171,951,424,863,543,320,001,041,502,431,61 Anterior0,961,841,621,633,291,392,005,641,471,581,612,192,752,102,744,912,052,112,951,672,541,822,392,374,142,472,664,730,903,111,282,074,293,681,642,372,133,853,812,583,173,172,712,204,491,211,095,023,102,871,394,131,115,265,062,981,244,035,55

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Causas da variaçãoG. L.S. Q.Q. M.Valor FBlocos58193,34 Técnicas10,450,450,561Lados10,690,690,868Espaços14,444,445,583*Técnica versus Lado10,170,170,221Técnica versus Espaços13,003,003,775**Lado versus Espaços10,920,921,159Técnica verus Lado versus Espaços10,700,700,882Resíduo406323,320,79 Total471527,06

FIGURA 1 - Radiografia ínfero-superior com a delimitação do longo eixo de cada côndilo e suas respectivas angulações em relação à linha A-A'.

Posterior	1,85	1,68	2,13	1,64	2,31	1,97	2,65	2,16	1,23
	1,53	1,68	1,64	1,67	5,39	2,06	1,51	2,62	4,07
	3,03	1,10	2,59	1,94	2,33	2,73	2,13	2,16	2,67
	4,05	1,77	1,59	2,53	2,99	2,07	2,72	1,12	2,46
	1,32	2,50	2,03	1,39	1,19	2,59	2,87	1,85	3,28
	1,45	2,39	4,16	2,58	3,62	1,41	4,24	2,85	3,03
	2,57	2,26	4,87	2,14	4,88
Anterior	1,51	1,56	1,45	1,39	3,78	1,28	1,44	2,50	1,95
	2,78	1,20	2,14	2,53	3,25	1,68	1,61	2,11	7,33
	1,53	3,61	3,70	2,06	1,67	2,57	2,51	1,49	3,68
	5,77	0,94	1,79	1,57	1,69	1,39	5,13	1,22	2,12
	3,99	2,42	2,44	2,77	3,16	4,02	1,77	2,50	2,83
	1,87	2,86	2,64	2,78	2,73	1,82	2,57	1,76	4,00
	2,38	1,91	1,84	1,84	2,76

Posterior	2,20	2,02	2,60	2,80	2,65	3,38	3,07	2,18	1,55
	2,52	2,29	1,89	2,15	3,23	3,23	1,40	3,21	6,64
	1,59	2,43	2,66	1,63	2,39	2,88	2,47	2,62	1,86
	3,13	2,26	1,46	3,23	2,09	1,93	2,14	2,24	3,33
	2,65	1,98	1,92	1,61	1,15	1,09	3,31	4,48	4,10
	1,63	2,34	3,48	2,51	2,24	1,59	5,69	4,04	3,32
	0,68	1,78	3,58	2,43	2,45
Anterior	1,84	1,82	2,37	2,32	3,86	1,85	2,05	3,51	1,77
	2,17	1,61	1,31	2,96	1,42	2,58	4,91	2,70	3,48
	2,47	1,99	2,33	1,82	2,04	2,59	1,77	3,11	3,21
	4,32	2,00	3,25	1,61	1,73	2,73	3,68	1,64	1,19
	0,81	4,20	3,81	1,67	1,94	3,68	2,05	2,37	3,87
	1,91	2,00	2,18	2,54	2,84	1,40	4,57	1,63	5,26
	4,68	1,94	1,47	4,03	4,55

Posterior	2,13	1,27	2,28	3,14	2,17	1,97	2,65	0,81	2,11
	1,46	2,27	2,00	1,66	3,77	1,33	2,06	1,73	3,91
	2,14	1,53	1,48	1,58	1,03	3,07	2,13	2,68	2,93
	2,13	1,77	1,59	1,19	1,35	2,18	4,94	1,30	2,31
	4,07	2,42	3,32	3,21	3,68	1,99	1,93	3,06	2,83
	1,82	3,06	3,48	2,80	2,89	1,82	2,97	1,18	4,57
	2,23	2,18	1,99	2,84	2,93
Anterior	2,42	0,80	1,94	2,58	2,61	1,28	1,44	2,78	2,73
	3,00	2,65	2,30	2,64	1,11	3,00	2,03	1,75	7,33
	1,28	3,41	3,36	1,78	3,39	2,68	2,51	1,35	2,89
	3,79	0,94	1,79	1,19	1,35	2,18	4,94	1,30	2,31
	4,07	2,42	3,32	3,21	3,68	1,99	1,93	3,06	2,83
	1,82	3,06	3,48	2,80	2,89	1,82	2,96	1,18	4,57
	2,23	2,18	1,99	1,84	2,93

Posterior	2,24	1,30	3,36	1,75	1,90	2,58	2,84	1,73	1,77
	1,89	1,71	1,12	2,23	3,01	2,42	1,40	1,73	1,59
	1,31	2,29	3,83	1,63	2,25	3,54	0,76	2,88	2,20
	2,20	2,62	2,11	3,41	3,47	1,43	2,14	2,24	3,01
	1,78	0,94	1,89	2,72	1,02	1,89	3,53	4,30	2,44
	1,26	2,50	2,74	2,17	1,95	1,42	4,86	3,54	3,32
	0,00	1,04	1,50	2,43	1,61
Anterior	0,96	1,84	1,62	1,63	3,29	1,39	2,00	5,64	1,47
	1,58	1,61	2,19	2,75	2,10	2,74	4,91	2,05	2,11
	2,95	1,67	2,54	1,82	2,39	2,37	4,14	2,47	2,66
	4,73	0,90	3,11	1,28	2,07	4,29	3,68	1,64	2,37
	2,13	3,85	3,81	2,58	3,17	3,17	2,71	2,20	4,49
	1,21	1,09	5,02	3,10	2,87	1,39	4,13	1,11	5,26
	5,06	2,98	1,24	4,03	5,55

Causas da variação	G. L.	S. Q.	Q. M.	Valor F
Blocos	58	193,34
Técnicas	1	0,45	0,45	0,561
Lados	1	0,69	0,69	0,868
Espaços	1	4,44	4,44	5,583*
Técnica versus Lado	1	0,17	0,17	0,221
Técnica versus Espaços	1	3,00	3,00	3,775**
Lado versus Espaços	1	0,92	0,92	1,159
Técnica verus Lado versus Espaços	1	0,70	0,70	0,882
Resíduo	406	323,32	0,79
Total	471	527,06

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E-mail: pob@edu.usp.br

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Comparative study of two transcranial radiographic techniques with use of an Accurad-200 head holder in standard and corrected positions. Making templates to delimit joint spaces

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