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7.2. Change of a structure of articulate surfaces temporal a mandibular joint depending on a kind of an occlusion at the adult person

The comparative estimation morfometricheskih parametres of articulate surfaces temporally-nizhnecheljustnogo a joint was carried out separately for group of skulls with normal and transitive forms of an occlusion and for group of skulls with abnormal forms of an occlusion (table 27).

Table 27

Comparative estimation morfometricheskih parametres of articulate surfaces of temporally-nizhnecheljustnogo joint in groups of skulls with orthognathic and transitive forms of an occlusion

The studied parametres Floor Statistics X±mx, in mm
The orthognathic

Occlusion

Direct occlusion The orthognathic

Occlusion with a protrusion of a forward teeth

The orthognathic

Occlusion with retruziej forward teeth

1 2 3 4 5 6
Sagittalnyj diameter

Mandible heads (Ds)

The husband. 10,7±0,4 10,5±0,4 10,8±0,5 10,3±0,3
Wives. 9,3±0,4 9,1±0,5 9,7±0,3 8,9±0,4
Cross-section diameter

Mandible heads (Dt)

The husband. 20,3±0,4 19,4±0,6 19,8±0,5 21,0±0,3
Wives. 20,1±0,6 20,0±0,4 19,7±0,5 21,9±0,5
The frontback size

Mandibular fossa (W)

The husband. 26,8±0,2 26,3±0,4 26,1±0,6 26,5±0,5
Wives. 23,1±0,3 23,2±0,4 22,9±0,5 22,1±0,4
Depth the mandibular

Fossas (P)

The husband. 9,4±0,3 9,1±0,4 9,0±0,5 9,4±0,4
Wives. 6,2±0,5 6,0±0,3 6,5±0,4 6,1±0,3

Table 27 continuation

1 2 3 4 5 6
Height articulate bugorka

(A1)

The husband. 15,5±0,4 14,9±0,5 15,1±0,4 15,0±0,3
Wives. 11,2±0,3 10,9±0,5 11,1±0,4 11,2±0,5
Projective height articulate bugorka (A2) The husband. 14,2±0,5 14,0±0,3 14,3±0,5 14,5±0,4
Wives. 10,5±0,5 11,3±0,6 11,1±0,4 11,3±0,5

At the analysis of the data presented in table 27, becomes obvious, that obvious differences in a structure of a head of a mandible, a mandibular fossa and articulate bugorka between skulls with transitive forms of a normal occlusion are absent.

Possibly, given circumstance is bound by that character smykanija «occlusion keys» (the first molar tooths) is identical to all studied forms. The given kinds of an occlusion differ only character smykanija forward group of a teeth.

If to address to the data received in the previous chapter it is necessary to note the following.

In group the oval form of a head of a mandible met an intact occlusion (mainly skulls from this group were exposed to ordering under the occlusion form) in 59,9 %, konusovidnaja - in 11 %. The greatest diffusion was received by the S-shaped form articulate bugorka and a mandibular fossa (78,3 %), and in 49 % the first subtype (a parity a bugorok-pole 1:1), in 25,5 % - the third subtype (a parity bugorok - a fossa 1:2), in 3,8 % - the second subtype was observed. Occurrence of the oval form

Mandibular fossa has made 65 %, and roundish 35 %. I.e. in all group certain forms of a head of a mandible, a mandibular fossa and articulate bugorka obviously dominated. Thus in the given group there were all forms of occlusions both normal, and abnormal (a drawing 89).

Drawing 89. Frequency of various forms of an occlusion in used sample.

Thus, accurately certain dependence between a kind of an occlusion and the form of components VNCHS to tap it was not possible, that, as a whole, coincides with the data received by N.A.Rabuhinoj from co-workers. (1994) which notice, that not always there is a full conformity between the form of articulate surfaces VNCHS and an occlusion kind.

At carrying out of the comparative characteristic morfometricheskih parametres VNCHS at various kinds of an abnormal occlusion it is established, as at men, and women have statistically authentic differences on some of them (table 28).

Table 28

Comparative estimation morfometricheskih parametres of articulate surfaces of temporally-nizhnecheljustnogo joint between groups of skulls with orthognathic and abnormal forms of an occlusion

The studied parametres Floor Statistics X±mx, in mm
The orthognathic

Occlusion

Deep occlusion Open bite Mezialnyj an occlusion Distal occlusion The two-dimensional

Occlusion

Sagittalnyj diayometr heads nizhyonej jaws (Ds) The husband. 12,7±0,4 7,4±0,61 9,3±0,5 9,5±0,6 9,3±0,5 10,0±2,3
Wives. 9,5±0,4 7,3±0,51 9,3±0,5 9,1±0,6 8,9±0,5 8,9±2,4
Cross-section diayo

Head metre nizhyonej jaws (Dt)

The husband. 20,3±0,4 19,5±0,4 19,7±0,5 19,2±0,6 19,4±0,3 19,9±2,8
Wives. 19,9±0,4 20,1±0,5 20,2±0,5 19,7±0,6 19,6±0,4 19,9±2,4
Frontback razyomer nizhnecheljustyonoj fossas (W) The husband. 24,8±0,2 25,3±0,3 23,8±0,5 23,9±0,6 26,9±0,71 24,7±3,5
Wives. 22,2±0,3 22,4±0,4 21,9±0,4 22,2±0,5 25,9±0,61 23,1±3,3
Depth the bottom

Gnathic fossa (P)

The husband. 8,7±0,3 10,8±0,61 9,1±0,6 6,3±0,51 10,8±0,61 8,7±2,9
Wives. 7,1±0,5 9,3±0,41 7,8±0,5 5,9±0,61 9,5±0,31 7,4±3,3
Height articulate bugorka (A1) The husband. 13,5±0,4 12,9±0,5 13,3±0,3 10,2±0,51 13,0±0,6 12,9±3,1
Wives. 12,3±0,5 12,0±0,5 11,9±0,6 9,2±0,41 11,9±0,6 11,7±2,6
The projective

Height of the articulate

bugorka (A2)

The husband. 9,2±0,5 8,9±0,3 9,0±0,4 9,0±0,4 8,7±0,6 9,1±3,3
Wives. 8,7±0,4 8,7±0,5 8,8±0,6 9,0±0,6 8,6±0,6 9,0±3,1

Notes: 1 statistically significant differences in comparison with an orthognathic occlusion (p

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Scientific source GAJVORONSKAYA Maria Georgievna. ANATOMO-CLINICAL SUBSTANTIATIONS of TREATMENT of the OKKLJUZIONNO-CAUSED DISEASES of the CHEWING APPARATUS. The dissertation on competition of a scientific degree of the doctor of medical sciences. St.-Petersburg - 2014. 2014

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