02_D018_3793

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RAJIV GANDHI UNIVERSITY OF HEALTH SCIENCES
BANGALORE, KARNATAKA

ANNEXURE – II

PROFORMA FOR REGISTRATION OF SUBJECT FOR DISSERTATION

1. NAME OF THE CANDIDATE DR.A.KANEESH KARTHIK,
AND ADDRESS S/O Dr.M.Arthanari,
No:87, T.V.K Nagar,New Teachers’ colony,
Erode-638011, TamilNadu, India

Postgraduate Student,
Department of Oral & Maxillofacial Surgery,
TEMPORARY ADDRESS S. D. M. College of Dental Sciences and Hospital,
Sattur, Dharwad – 580 009
Karnataka.

2. NAME OF THE
S.D.M. College of Dental Sciences And Hospital,
INSTITUTION
Sattur, Dharwad
Karnataka.

3. COURSE OF STUDY AND Master Of Dental Surgery (MDS) in Oral &
SUBJECT Maxillofacial Surgery

4. DATE OF ADMISSION TO
31st May 2007
THE COURSE

5. TITLE OF THE TOPIC
“ASSESSMENT OF BITE FORCES IN
PATIENTS TREATED FOR
TEMPOROMANDIBULAR JOINT
ANKYLOSIS”

1
The reason for undertaking this study is to ascertain
NEED FOR THE STUDY
restoration of masticatory function after treatment of
ankylosis of the temporomandibular joint. Maximum
biting force is an important parameter of masticatory
function that is relatively easy to measure. Thus in
this study bite force measurements will be used to
evaluate changes in, and duration of restoration of
masticatory function in patients treated for
temporomandibular joint ankylosis

1) STANLEY BRAUN, HANS-PETER
BANTLEON, WILLIAM P. HNAT, JOSEF
REVIEW OF THE LITERATURE
W.FREUDENTHALER, MICHAEL R.
MARCOTTE, BAXTER E. JOHNSON,(1995)1
A new device for measuring and recording bilateral
bite force in the molar /premolar region has been
developed. Because this new device is elastic and
conforms to the occlusal surfaces of the teeth, and
because the sensing element is relatively comfortable.
Potential correlations of maximum bite force to
gender, age, weight, body type, stature, previous
history of orthodontic treatment, presence of
temporomandibular symptoms (jaw motion limitation
,clicking with pain, or joint pain), or missing teeth
were studied in a sample of 142 dental students. The
mean maximum bite force of the sample was found to
be 738 N, with a standard deviation of 209 N. The
mean maximum bite force as related to gender was
found to be stastically significant, while the
correlation coefficients for age, weight, stature, and
body type were found to be low. Subjects reporting
TMJ symptoms did not exhibit a significantly

2
different maximum bite force than subjects without
symptoms.
2) CHIDZONGA M.M,(1999)2
The author has reviewed aetiology, sex,
age at time of treatment, clinical features,
radiographic findings,anaesthetic techniques, surgical
treatment, complications, and results in 32 patients
with ankylosis of the temporomandibular joint.
Trauma and infection were the commonest causes of
ankylosis: 50% and 41% (n = 13), respectively. The
21–30 year age group had the most trauma cases.
Twenty (63%) of the patients presented with bilateral
ankylosis. Failing to do jaw-opening exercises was
the main cause of relapse
3) MANGANELLO-SOUZA L. C.,
MARIANI P. B. (2003)3
The authors present a review of 14 patients with
temporomandibular joint ankylosis treated between
March 1992 and February 1997. Etiology of the
ankylosis was trauma in four patients, ear infection in
two, systemic infection in one case, congenital in
another, and unknown in six. Patients were divided
into two groups, according to their age: 16 years and
under and over 16 years of age. The basic principle of
surgical treatment in both groups is ample access for
osseous resection and coronoidectomy.
Costochondral grafts were used in group one (nine
patients), while interposition of a silicone block, was
performed in the second group (five patients).
Follow-up evaluations were from twelve to 53
months (average 28.2 months). One case of
recurrence occurred in the first group and no

3
recurrences in the second group. The average long-
term mouth opening in both groups was 32.8mm

4) BEHCET EROL, REZZAN TANRIKULU,
BELGIN GORGUN(2006)4
. The 59 patients in this studywere
evaluated with regard to age, gender, aetiology of
ankylosis, ankylosis type/classification, existing
facial asymmetry, maximal pre- and post-operative
mouth opening, the arthroplasty methods (gap and
interpositional arthroplasty) including complications
and recurrence of ankylosis. Falls represented the
most widespread aetiological factor (85%), and
women constituted the group with the highest
incidence of ankylosis(61%). Forty cases were
unilateral (68%) and 19 bilateral (32%); 82% (64
joints) were of the bony type. Gap arthroplasty was
applied in 34 of the 59 cases (58%) and
interpositional arthroplasty in the remaining 25
(42%).Pre- and post-operative mean mouth opening
were 3.571.7 and 30.773.0 mm, respectively. Re-
ankylosis was noted in 5%.

OBJECTIVES OF THE STUDY The purpose of this study is to evaluate the
changes in, and duration of restoration of
maximum bite forces in patients treated for
temporomandibular ankylosis compared to a
control group.

4
7. MATERIALS AND METHODS

7.1 SOURCE OF DATA A total of 30 patients, who were/will be treated
for temporomandibular joint ankylosis in the
Craniofacial Surgery & Research Centre,
Department of Oral & Maxillofacial Surgery, S.
D. M College of Dental Sciences and Hospital,
Dharwad, from 1st December 2007 to 1st july
2009.A control group of 30 age and sex matched
individuals will be included in this study.

(1)The criteria for selection of TMJ ankylosis
7.2 METHOD OF COLLECTION
OF DATA (Criteria For patients are
Selection And Design Of Study)
a) patients with bony / fibrous /unilateral/
bilateral temporomandibular joint
ankylosis
b) patients wth adequate dentition
and mouth opening to perform bite
force measurements.
(2). The control group includes healthy age and sex
matched individuals.
(3) Bite force analysis of the patients will be done at
the right and left posterior teeth regions using a bite
force transducer.
(4). Bite force of healthy individuals will also be
done by the same method.
(5) Patients will be examined pre and post
operatively on 7th day, after 4 weeks and 6 weeks.
(6). Statistical analysis will be done using Student-t
test and correlation analysis test.

5
7.3 DOES THE STUDY REQUIRE
ANY INVESTIGATION OR
INTERVENTION TO BE
CONDUCTED ON PATIENTS YES
OR OTHER HUMANS OR
ANIMALS

7.4 HAS ETHICAL CLEARANCE YES
BEEN OBTAINED FROM
YOUR INSTITUTION

1) ) STANLEY BRAUN, HANS-PETER
8. LIST OF REFERENCES
BANTLEON, WILLIAM P. HNAT,
JOSEF W.FREUDENTHALER,
MICHAEL R. MARCOTTE, BAXTER
E. JOHNSON,
A study of bite force, part 1: relationship
with various physical characteristics.
Angle Orthod 1995;65(5):367-72.
2) CHIDZONGA.M.M
Temporomandibular joint ankylosis:
review of thirty-two cases.
Br J Oral Maxillofac Surg 1999; 37: 123–26.
3) MANGANELLO-SOUZA L.C.,
MARIANI P. B.
Temporomandibular joint
ankylosis: Report of 14 cases.
Int J Oral Maxillofac Surg 2003; 32: 24–29.
4) BEHCET EROL, REZZAN
TANRIKULU, BELGIN GORGUN
A clinical study on ankylosis of the
Temporomandibular joint .
J Cranio-Maxillofac Surg 2006;34: 100–06.

6
9 SIGNATURE OF THE
CANDIDATE

10 REMARKS OF THE GUIDE

11 NAME AND DESIGNATION DR. K.GOPALKRISHNAN,M.D.S.,
OF (IN BLOCK LETTERS) F.D.S.R.C.S.,
GUIDE PROFESSOR AND HEAD,
DEPT OF ORAL & MAXILLOFACIAL
SURGERY,
S.D.M COLLEGE OF DENTAL SCIENCES
AND HOSPITAL, DHARWAD.

11.2 SIGNATURE

11.3 CO-GUIDE (IF ANY)

11.4 SIGNATURE

11.5 HEAD OF THE DR.K.GOPALKRISHNAN.,M.D.S., F.D.S.R.C.S.
DEPARTMENT PROFESSOR AND H.O.D.,
DEPT OF ORAL & MAXILLOFACIAL
SURGERY,
S.D.M COLLEGE OF DENTAL SCIENCES
AND HOSPITAL, DHARWAD.

11.6 SIGNATURE

12 REMARKS OF CHAIRMAN
AND PRINCIPAL

12.1 SIGNATURE