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CTRI Number  CTRI/2020/06/025860 [Registered on: 14/06/2020] Trial Registered Prospectively
Last Modified On: 15/12/2021
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia
Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparison and Assessment of Newly Designed Z Plate with 3D Plate for fixation of Lower Jaw Fractures.  
Scientific Title of Study   Evaluation Of a Novel Design Z Plate With 3D Plate Semi Rigid Fixation for the Management of Mandibular Symphysis, Parasymphysis and Angle fracture- A Randomised Controlled Trial 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
nil  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  DrSuleka Ranganath 
Designation  PG Student  
Affiliation  Government Dental College Mumbai  
Address  Dept no.118, Oral and maxillofacial surgery Government dental college and Hospital, saint George Hospital campus near Chatrapati shivaji terminus , PD Mello road , fort,Mumbai

Mumbai
MAHARASHTRA
400001
India 
Phone  9740410976  
Fax    
Email  suleka.ranganath@yahoo.co.in  
 
Details of Contact Person
Scientific Query
 
Name  Dr Prajwalit Kende 
Designation  HOD and Prof Oral and Maxillofacial surgery 
Affiliation  government dental college mumbai  
Address  Department of oral and maxillofacial surgery government dental college saint george hospital campus PD Mello road near CST fort mumbai

Mumbai
MAHARASHTRA
400001
India 
Phone  9324715824  
Fax    
Email  prajwalitkende1979@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Suleka Ranganath 
Designation  PG Student  
Affiliation  government dental college mumbai  
Address  Dept no.118, Oral and maxillofacial surgery , Government dental college and Hospital , Saint george Hospital campus , near Chatrapati shivaji terminus PD Mello road fort, Mumbai

Mumbai
MAHARASHTRA
400001
India 
Phone  9740410976  
Fax    
Email  suleka.ranagnath@yahoo.co.in  
 
Source of Monetary or Material Support  
Department of oral and maxillofacial surgery government dental college saint george hospital campus PD Mello road near CST mumbai  
 
Primary Sponsor  
Name  Government Dental College and Hospital Mumbai  
Address  Government dental college and Hospital, Saint george Hospital campus, near Chatrapati shivaji terminus PD Mello Road , Fort, Mumbai  
Type of Sponsor  Other [Government dental college mumbai ] 
 
Details of Secondary Sponsor  
Name  Address 
nil   
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
DrSuleka Ranganath  Government Dental college mumbai   Dept no.118, Oral and maxillofacial surgery Government dental college and Hospital, saint George Hospital campus near Chatrapati shivaji terminus , PD Mello road , fort,Mumbai
Mumbai
MAHARASHTRA 
9740410976

suleka.ranganath@yahoo.co.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Ethical Committe Government Dental College and Hospital Mumbai   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: S026||Fracture of mandible,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Fixation of Mandibular Symphysis, Parasymphysis and Angle fracture of Mandible using Z plate   Under Local Anaesthesia , After detailed History, Consents, Fracture site will be exposed along with preservation of vital structures . Fracture Segments will be Reduced and fixed with Z Plate . 
Comparator Agent  Fixation of Mandibular Symphysis, Parasymphysis and Angle fracture using 3D Plate   Under Local Anaesthesia , After detailed Case History, consents ,Fracture site will be exposed along with preservation of vital structures, Fracture segments will be reduced and fixed with 3D Plate  
 
Inclusion Criteria  
Age From  21.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  1. Patients who are willing to participate in the study.
2. Patient with unfavourable symphysis, parasymphysis and angle fractures.
3. Patient with favourable fractures and willing for open reduction and internal fixation
4. Patients with no significant medical history.(ASA I and ASA II)
5. Patients with unilateral and/or bilateral fracture present on symphysis, parasymphysis and angle region of mandible. 
 
ExclusionCriteria 
Details  1. Patients not willing for participation in the study
2. Patients with severe systemic conditions.( ASA III And ASA IV)
3. Pregnant and lactating patient.
4. Patients with condylar/subcondylar/coronoid/ mid face fractures.
5. Patients presenting with severe comminuted fractures.
6. Patients with fractures presenting with severe soft tissue loss.
7. Patient not willing for open reduction.
8. Patients with craniomaxillofacial fractures. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
1. To compare the duration of fracture fixation in Symphysis, Parasymphysis and angle region of mandible.
2. To check Paraesthesia of lower lip.
3. To compare the occlusal stability postoperatively. 
1.Immediate
2.at 7th day,1month,3months,6months
3. At 7thday 1month,3months,6months 
 
Secondary Outcome  
Outcome  TimePoints 
1.To compare for the lingual splaying postoperatively.
2. To study the cost effectiveness of both semi rigid fixation techniques.
3.To study any postoperative complications 
1.preop and 3rd post op day
2.Immediate
3. 7thday,1st month,3 month,6 month 
 
Target Sample Size   Total Sample Size="28"
Sample Size from India="28" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 4 
Date of First Enrollment (India)   15/06/2020 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="2"
Months="5"
Days="5" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   Malhotra K, Sharma A, Giraddi G, Shahi AK. Versatility of titanium 3D plate in comparison with conventional titanium miniplate fixation for the management of mandibular fracture. JOMS. 2012,1;11(3):284-90. 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary
Modification(s)  
The maxillofacial region is the most exposed part of the body and is more vulnerable to trauma. Trauma to the maxillofacial region involves skeletal, dental and soft tissue components of the face.
Mandible is the most common fractured bone in face with a frequency of 36% to 70% .Each half of mandible can be divided into 7 portions -the Condylar head and neck, Coronoid process, Ramus, Angle, Body, Parasymphyseal and Symphyseal region in the midline .
Among the various etiologies i.e assault, road traffic incidents(RTA), self fall , work place injury and sports related injury, RTA accounts for 62.76% and self fall for 18.08 of cases% . The most common site of fracture was the Angle (30%) followed by Parasymphysis (27%), Condyle (27%), Body(9%), Symphyseal (4%), Ramus (3%) and then the Coronoid(≤1%).
Recently, Farmand and Dupoirieux developed the concept of 3D miniplates whose shape is based on the principle of the quadrangle as a geometrically stable configuration for support . Patiguli et.al noted that 3 Dimensional miniplates is the best option for mandibular fractures. However the study conducted by mohit Agarwal et al concluded that 3D miniplate system is difficult to adapt and difficult to use in the fractures involving mental nerve . Manoj kumar et al reported that 3D plate was much broader, has to be bent in 3 Dimensions and had lack of stability in oblique fractures.
Thus to overcome the shortcomings of 3D plate , A novel design of Z Plate has been designed. An In-vitro study was performed that evaluates the biomechanical behaviour of newly designed Z plate using Finite Element Analysis . After finite element analysis the design has shown better stability And strength as compared with 3D plate .
Hence we intend to conduct a prospective randomized control study to compare a novel design Z Plate with 3D plate for open reduction and internal fixation of mandibular symphysis, parasymphysis and angle fractures .

SIGNIFICANCE OF THE STUDY –
-Easy adaptation thus reducing surgical time.
-Minimal damage to neurovascular bundle.
- Better strength and stability of plate
- New design will be added for management of mandibular symphysis, parasymphysis, angle fractures.

AIM- Aim of this study is to evaluate the performance of the novel design Z plate and to compare it with the 3D plate for open reduction and internal fixation of mandibular Symphysis , Parasymphysis and angle fractures.

PRIMARY OBJECTIVES–
1. To compare the duration of fracture fixation in Symphysis, Parasymphysis and angle region of mandible.
2. To check Paraesthesia of lower lip.
3. To compare the occlusal stability postoperatively.

SECONDARY OBJECTIVES-
4. To compare for the lingual splaying postoperatively.
5. To study the cost effectiveness of both semi rigid fixation techniques.
6. To study any postoperative complications .
If the study provides good results, in future we intend to use in fractures of different sites on mandible

METHODOLOGY-
-Patients will be randomly divided into two arms (experimental arm and control arm) by first co-investigator.
- All the information about the study will be revealed to the patient in the language he/she understands and an informed consent will be obtained prior to surgery from patient/relative/guardian.
- A detailed case history will be taken for all patients (Annexure ‘B’), followed by clinical examination and occlusal radiograph to evaluate fractures.
- Patient will be subjected to routine investigations.
- Fitness certificate if required will be taken from general physician, general surgeon or neurosurgeon.
- Oral prophylaxis will be performed.
- Patient will be posted for surgery i.e. open reduction and internal fixation under local anaesthesia.

PROCEDURE DETAILS -
A. The control group, Intermaxillary fixation will be done with the help of Ehrich Arch bar and elastics (red) under local anesthesia(LA). After that patient will be posted for surgery. Elastics will be removed. Under all aseptic precautions and under LA, incision will be made as per the fracture site. According to the protocol, all the vital structures will be identified. Fracture site will be exposed, debrided and will be reduced after rigid intermaxillary fixation(IMF) with 26 gauge wire. Occlusion will be established. 3D Plate will be selected & bended as per the bony contour and adapted to the mandible and then fixed with the titanium screws of appropriate length using high speed drill and under copious saline. The time will be measured from adaptation of 3D Plate to the drilling of last screw. The total no. of bends required to adapt 3D Plate will be calculated and evaluated respectively during adaptation of Z Plate. Then the operated site will be flushed with betadine solution and checked for any foreign bodies. The IMF will be released. Wound will be closed in layers with 3-0 vicryl and 3-0 silk sutures. postoperative medications and instructions will be given to the patient. Patient will be recalled after 3 days and occlusal radiograph will be taken to evaluate lingual splaying. Also occlusal stability and postoperative complications will be checked after 3rd day,1 month, 3 months, 6 months
B. The experimental group.
The experimental group will receive the newly designed Z plate in the fracture site . All the procedure will then be followed as described in the control group.

C. The data will be collected as per the following variables-

1. Time required for plating (minutes and seconds)
2. Paraesthesia of lower lip
3. Number of bends required for adaptation of plate.
4. Occlusal stability achieved after fixation of fracture recorded and evaluated for change and stability
5. Amount of reduction of lingual splay ( preoperatively and 3rd day follow up)
6. Postoperative complications
7. Cost effectiveness.

Patient data- 
sr.no Date name of the patient  reg no age(yrs) sex(M/F) group type of fracture no.of fracture etilogy location of the plate time[min] pain (VAS) paresthesia  no.of bends occlusal stability lingual splaying complications
            experimental group[E] Control group[C]             immediate  7th day 1 month 3 month 6 month   3rd day 7th day 3 month 6 month 3rd post op day  7th day 1 month 3 month 6month 
1 25-09-2020 ashraf shaikh  10796 27 M E-1   left parasymphysis and right angle 2 assault  left parasymphysis  12 6 0 1 0 0 0 2 1 1 1 1 1 none none none none
2 07-10-2020 vaishali kombekar 10240 24 F E-2   left parasymphysis and right angle 2 assault  left parasymphysis  24 4 0 0 0 0 0 4 1 1 1 1 1 none none none none
3 13-10-2020 sahil parkar 464795 24 M   C-1 left parasymphysis 1 fall left parasymphysis  18 5 0 1 0 0 0 5 1 1 1 1 0 none none none none
4 25-11-2020 anarul shaikh  10841 19 M E-3   left parasymphysis and right angle 2 fall left parasymphysis  22 4 0 0 0 0 0 5 1 1 1 1 1 none none none  none
5 27-11-2020 Arbaaz Khan  77811 21 M   C-2 left parasymphysis and right angle 2 assault left parasymphysis  28 7 0 0 0 0 0 5 0 0 0 0 1 none none none none
6 22-12-2020 yogesh parwani 14339 32 M E-4   left parasymphysis and right angle 2 RTA left parasymphysis  18 7 0 0 0 0 0 1 1 1 1 1 1 none none none none
7 29-12-2020 mansi chavhan 12438 41 F E-5   right parasymphysis and left angle 2 fall right parasymphysis 21 5 0 0 0 0 0 3 1 1 1 1 1 none none none none
8 04-01-2021 Abdul karim shaikh 15939 26 M   C-3 symphysis  1 RTA symphysis 12 4 0 0 0 0 0 3 0 0 0 0 0 none none none none
9 08-01-2021 Bhavana shukla  9089 25 F   C-4 right parasymphysis  1 fall right parasymphysis 25 6 0 1 1 0 0 5 1 1 1 1 1 none none none none
10 12-01-2021 akshay suvasiya 21403 23 M   C-5 left parasymphysis and right angle 2 RTA left parasymphysis  13 4 0 0 0 0 0 2 1 1 1 1 0 none none none none
11 14-01-2021 babasaheb archar  33606 28 M   C-6 left parasymphysis and right angle 2 RTA left parasymphysis  22 6 0 0 0 0 0 6 1 1 1 1 0 none none none none
12 19-01-2021 shyam shinde  325 36 M E-6   symphysis fracture 1 RTA symphysis 16 6 0 0 0 0 0 5 1 1 1 1 1 none none none none
13 21-01-2021 hakim mubin 28379 27 M   C-7 left parasymphysis 1 RTA left parasymphysis  13 4 0 0 0 0 0 3 1 1 1 1 1 none none none none
14 26-01-2021 raj jadhav 5669 21 M   C-8 right parasymphysis  1 fall right parasymphysis 18 4 0 0 0 0 0 5 0 0 0 1 0 none none none none
15 28-01-2021 aman shaikh 30607 24 M   C-9 right parasymphysis  1 fall right parasymphysis 19 5 0 1 0 0 0 4 1 1 1 1 1 none none none none
16 05-02-2021 somnath ingale 279 28 M E-7   right parasymphysis and left angle 2 fall right parasymphysis 20 4 0 0 0 0 0 3 1 1 1 1 1 none none none none
17 23-02-2021 Abrar shaikh  1143 28 M E-8   left parasymphysis  1 fall left parasymphysis  16 5 0 0 0 0 0 4 1 1 1 1 1 none none none none
18 26-02-2021 sai tamhankar 504 26 M   C-10 left parasymphysis  1 fall left parasymphysis  12 4 0 0 0 0 0 4 0 0 1 1 -1 none none none none
19 06-05-2021 kishan sharma 2713 45 M E-9   left parasymphysis  1 RTA left parasymphysis  20 5 0 0 0 0 0 5 1 1 1 1 1 none none none none
20 03-03-2021 pooja ubale 17121 30 F   C-11 left parasymphysis  1 fall left parasymphysis  18 6 0 0 0 0 0 4 1 1 1 1 1 none none none none
21 17-03-2021 balaram avachar  9898 36 M   C-12 right parasymphysis  1 assault right parasymphysis 16 5 0 0 0 0 0 5 1 1 1 1 0 none none none none
22 21-06-2021 Shreedhar 1542 42 M E-10   left parasymphysis 1 RTA left parasymphysis  20 5 0 0 0 0 0 4 1 1 1 1 1 none none none none
23 22-07-2021 Tinkuram  9345 36 M E-11   Right Parasymphysis  1 fall right parasymphysis 15 6 0 0 0 0 0 3 1 1 1 1 1 none none none none
24 28-07-2021 mohd.Ashlam  9915 32 M E-12   right parasymphysis  1 fall right parasymphysis 18 4 0 0 0 0 0 4 1 1 1 1 1 none none none none
 
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