7. Habits:
Digit sucking habit
Proclination of upper
incisors
Retroclination of lower
incisors
AOB or in less severe
forms incomplete OB
Cross bite
Incresed LFH
8. Extra oral
features
Class II divison 1
profile: convex
Shape of head : dolicocephalic
Mento labial sulcus : shallow/deep
Hyper active mentalis: present
Hypo active upper lip: present
9. o classII molar relation,
that may vary from end on
molar to fully fledged class II
o proclined maxillary
anteriors with resultant
increased overjet
o Flaring and spaced
dentition
10. V – shaped palatal
arch
Deep palate
Excessive curve of
spee
Increased over bite
11. o Patient may have a short
hypotonic upperlip
o Lip trap may be
present(placing lower lip
against the palatal surface of
upper incisor)
o Abnormal buccinator activity
leading to a constricted ,
narrow upper arch. Which
predispose to posterior cross
bite
o Hyper active mentalis muscle
(retrognathic mandible)
12. Growth modification:
Head gear (High pull, low pull, medium pull)
Functional appliances
Fixed appliances
Removable appliances
Surgery
13. Class II div I malocclusion or often complicated by
the prescence of underlying skeletal abnormalities
.
For Maxillary prognathism:
Face bow with head gear
For Mandibular deficiency:
at mixed dentition period myofunctinal appliance
like activator or functional regulator
At the end of growth period, fixed functional
appliance like Herbest applinace or Jasper Jumper.
14.
15. For growth modification in
a growing patients:
1- Mild to moderate Class
II div. 1
2- Proclined upper incisors
3- No lower and upper
arch crowding
4- Deep overbite
5- Average or reduced
LFH.
16. Used for most
complicated tooth
movements which
involve bodily
tooth movement,
intrusion, extrusion.
17. Removable appliances
Robert retractors
-Proclined upper incisors
-Spaced upper incisor
-Normal or reduced overbite
18. Surgery
Based on underlying skeletal pattern a maxillary
set back or mandibular advancement is
undertaken after the completion of growth.
19.
20. Correction of Cross bite
Removeable appliance
Fixed appliance
Cross bite elastics
Coffin spring
Quad helix
21. Correction of deep bite
Removeable anterior bite planes
Fixed appliances
22. Class II, division 2
The upper central incisors are retroclined ; the overjet
is minimal but may be increased.
23. Type A:- the four maxillary
permanent
incisors are tipped palatally,
without the occurrence of
crowding
Type B: the maxillary
central incisors are tipped
palatally and the maxillary
laterals are tipped labially.
Type C: the four maxillary
permanent incisors are
tipped palatally with the
canine labial positioned.
24. Skeletal:
Prognathic maxilla
Retrognathic mandible
Combination of both
25. Soft tissues:
The lips are almost always of adequate length to
meet without strain.
Frequently the lip line is high relative to the upper
incisor crown, and the higher the lip line the more
retroclined the upper incisors are liable to be.
There is often a well-developed labiomental fold.
26. Retroclined upper central
incisors.
Upper lateral incisors are at
an average angulations or
are proclined.
Overbite.
Lingual crossbite of the 1st
and occasionally 2nd
premolar.
Class II molar, canine &
incisor relationship.
27. The lower incisors may cause ulceration of the
palatal tissues due to deep bite
28. retroclination of the upper incisors leads to stripping
of the labial gingivae of the lower incisors.
29. lingual cross bite of 1st and 2nd premolars the owing
to the relative positions and widths of the arches, and
possibly to trapping of the lower labial segment
within a retroclined upper labial segment
30. Relief of gingival trauma
Correction of incisors and molar relation
Relief of crowding and local irregularities
31. no treatment
extraction only
removable appliance
fixed appliance
functional appliance
orthognathic surgery
32. The deep anterior over bite can be reduced by
use of anterior bite plane or fixed appliances
incorporating anchor bends.
The incisors inclination often necessitates the
use of torquing springs.
