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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT04702867
Other study ID # Harshapopli27
Secondary ID
Status Not yet recruiting
Phase
First received
Last updated
Start date February 1, 2021
Est. completion date June 30, 2021

Study information

Verified date January 2021
Source Postgraduate Institute of Dental Sciences Rohtak
Contact Sanjay Tewari, MDS
Phone 2283876
Email principalpgidsrohtak@gmail.com
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

AIM AND OBJECTIVES: AIM To determine the association between periodontal bone loss and maxillary sinus changes through cone beam computed tomography. OBJECTIVES Primary objectives- 1. To compare the presence of maxillary sinus changes in patients with radiographic evidence of periodontal bone loss with healthy controls. Secondary objectives- 1. To determine the correlation between severity of periodontal bone loss with the changes in maxillary sinus. 2. To compare the mean maxillary sinus mucosal thickening in patients with radiographic evidence of periodontal disease with healthy controls. MATERIALS AND METHODOLOGY: STUDY DESIGN A retrospective study will be conducted in the department of Oral Medicine and Radiology, Post Graduate Institute of Dental Sciences, Rohtak. STUDY SETTING Hospital based study - CBCT volumes which are available in the archives of Oral Medicine and Radiology department will be evaluated. STUDY PERIOD This study will be completed in 6 months. STUDY SUBJECTS CBCT volumes of patients who have undergone CBCT examination between May 2019 and December 2020 for various dental purposes will be evaluated and the volumes fulfilling the inclusion criteria will be included in the study. The subjects will be divided into 2 groups- Periodontal disease group and Healthy group, INCLUSION CRITERIA 1. Good quality images with visualization of maxillary sinus and maxillary posterior teeth of at least one side. EXCLUSION CRITERIA 1. Signs of endodontic pathology like periapical radiolucency, root canal fillings etc. 2. Presence of metal artifacts interfering with the view of the maxilla. 3. Presence of trauma or pathologies such as tumours, cysts or malignancies that obscure the view of the region of interest. SAMPLE SIZE A minimum sample size of 71 maxillary scans in each group has been calculated to expect a difference of 26.84% in the prevalence of the 2 groups as ascertained from a pilot study, at a significance level of 0.05 and a power of 90%. Since group one will further be divided into 3 classes, a sample size of 225 in each group shall be taken. METHODOLOGY - CBCT volumes of patients who have undergone CBCT for various dental purposes between May 2019 to December 2020 available in the archives of Department of Oral medicine and radiology will be evaluated. - These scans will be screened for radiographic evidence of periodontal disease i.e. horizontal or vertical bone loss and bone loss at the furcation. - Further, the periodontal bone loss scans i.e. 225 will be divided into 3 groups of 75 each: mild (<25%), moderate (25-50%) and severe (>50%) according to the amount of bone loss. - The group with no bone loss will be taken as the control group i.e. 225. - Maxillary sinuses will be evaluated according to the following criteria; score range from 0 to 6 ; 0 - no mucosal changes.,1 - area without cortical bone and with soft tissue density, thickness >3 mm, parallel to sinus bone wall,2- sinus polyp, 3-antral pseudo cyst, 4- non-specific opacification,5- periostitis,6- antrolith. DATA MANAGEMENT AND STATISTICAL ANALYSIS Data will be tabulated in Microsoft Excel sheet. The results will be expressed as the frequency (%) of maxillary and Mean + Standard deviation (SD) for maxillary sinus mucosal thickening. Normality of data will be assessed and Chi-square or student T test shall be used for non-parametric and parametric data respectively. All analysis will be performed by SPSS software version 21. A p value less than 0.05 will be considered significant for all outcomes.


Description:

TITLE: "Association between Periodontal bone loss and Maxillary sinus changes determined using Cone beam computed tomography-A retrospective study." RATIONALE: Odontogenic maxillary sinusitis (OMS) is a type of inflammation of the maxillary sinus mucosa which results from dental infections such as chronic apical periodontitis, periodontal infections, tooth extractions and sinus lift procedures. The first and second molars are close to the floor of the maxillary sinus followed by the premolar teeth and occasionally canine.5In the otorhinolaryngological literature, the incidence of odontogenic sinusitis has been underreported in the past, with 10-12% of OMS cases attributed to odontogenic infections. However, recent studies are suggestive of a much higher incidence i.e. 40% of all cases of CMS. Periodontal disease has been attributed as one of the causes of odontogenic maxillary sinusitis by various studies. The studies done so far offer some limitations such as lack of a control group, lack of corelation with disease severity, not taking focal sinus thickening adjacent to the infected tooth into consideration, small sample sizes and lack of clinical correlation. Thus, this study aims to determine the association between periodontal disease and maxillary sinusitis through cone beam computed tomography in an Indian subpopulation attempting to overcome the limitations of the previous studies. RESEARCH QUESTION P: Population (Patients with radiographic evidence of periodontal disease in their CBCT images) I: Intervention (none) C: Control(Patients with no evidence of periodontal disease in their CBCT images) O: Outcome (Radiographic signs of maxillary sinus changes) T: Time Frame (6 months) S: Study Design (Retrospective study) Setting in Haryana , India Is periodontal bone loss a risk factor for development of maxillary sinus changes? AIM AND OBJECTIVES: AIM To determine the association between periodontal bone loss and maxillary sinus changes through cone beam computed tomography. OBJECTIVES Primary objectives- 1. To compare the presence of maxillary sinus changes in patients with radiographic evidence of periodontal bone loss with healthy controls. Secondary objectives- 1. To determine the correlation between severity of periodontal bone loss with the changes in maxillary sinus. 2. To compare the mean maxillary sinus mucosal thickening in patients with radiographic evidence of periodontal disease with healthy controls. MATERIALS AND METHODOLOGY: STUDY DESIGN A retrospective study will be conducted in the department of Oral Medicine and Radiology, Post Graduate Institute of Dental Sciences, Rohtak. STUDY SETTING Hospital based study - CBCT volumes which are available in the archives of Oral Medicine and Radiology department will be evaluated. STUDY PERIOD This study will be completed in 6 months. STUDY SUBJECTS CBCT volumes of patients who have undergone CBCT examination between May 2019 and December 2020 for various dental purposes will be evaluated and the volumes fulfilling the inclusion criteria will be included in the study. The subjects will be divided into 2 groups- Periodontal disease group and Healthy group, INCLUSION CRITERIA 1. Good quality images with visualization of maxillary sinus and maxillary posterior teeth of at least one side. EXCLUSION CRITERIA 1. Signs of endodontic pathology like periapical radiolucency, root canal fillings etc. 2. Presence of metal artifacts interfering with the view of the maxilla. 3. Presence of trauma or pathologies such as tumours, cysts or malignancies that obscure the view of the region of interest. SAMPLE SIZE A minimum sample size of 71 maxillary scans in each group has been calculated to expect a difference of 26.84% in the prevalence of the 2 groups as ascertained from a pilot study, at a significance level of 0.05 and a power of 90%. Since group one will further be divided into 3 classes, a sample size of 225 in each group shall be taken. METHODOLOGY - CBCT volumes of patients who have undergone CBCT for various dental purposes between May 2019 to December 2020 available in the archives of Department of Oral medicine and radiology will be evaluated. - These scans will be screened for radiographic evidence of periodontal disease i.e. horizontal or vertical bone loss and bone loss at the furcation. - Further, the periodontal bone loss scans i.e. 225 will be divided into 3 groups of 75 each: mild (<25%), moderate (25-50%) and severe (>50%) according to the amount of bone loss. - The group with no bone loss will be taken as the control group i.e. 225. - Maxillary sinuses will be evaluated according to the following criteria; score range from 0 to 6 ; 0 - no mucosal changes.,1 - area without cortical bone and with soft tissue density, thickness >3 mm, parallel to sinus bone wall,2- sinus polyp, 3-antral pseudo cyst, 4- non-specific opacification,5- periostitis,6- antrolith. DATA MANAGEMENT AND STATISTICAL ANALYSIS Data will be tabulated in Microsoft Excel sheet. The results will be expressed as the frequency (%) of maxillary and Mean + Standard deviation (SD) for maxillary sinus mucosal thickening. Normality of data will be assessed and Chi-square or student T test shall be used for non-parametric and parametric data respectively. All analysis will be performed by SPSS software version 21. A p value less than 0.05 will be considered significant for all outcomes. ETHICAL CONSIDERATION Ethical clearance will be obtained from the Bio-medical & Health Research Ethics Committee (BHRC), PGIDS Rohtak to conduct the study. Patient confidentiality would be maintained by not disclosing their details


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 450
Est. completion date June 30, 2021
Est. primary completion date June 30, 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - 1. Good quality images with visualization of maxillary sinus and maxillary posterior teeth of at least one side. Exclusion Criteria: - 1. Signs of endodontic pathology like periapical radiolucency, root canal fillings etc. 2. Presence of metal artifacts interfering with the view of the maxilla. 3. Presence of trauma or pathologies such as tumours, cysts or malignancies that obscure the view of the region of interest.

Study Design


Locations

Country Name City State
India Post Graduate Institute of Dental Sciences Rohtak Haryana

Sponsors (1)

Lead Sponsor Collaborator
Postgraduate Institute of Dental Sciences Rohtak

Country where clinical trial is conducted

India, 

Outcome

Type Measure Description Time frame Safety issue
Primary Changes in the maxillary sinus. Maxillary sinuses will be evaluated according to the following criteria; score range from 0 to 6
0 - no mucosal changes.
1 - area without cortical bone and with soft tissue density, thickness >3 mm, parallel to sinus bone wall
2- sinus polyp
3-antral pseudo cyst
4- non-specific opacification
5- periostitis
6- antrolith.
Maxillary sinuses will be evaluated according to the following criteria; score range from 0 to 6
0 - no mucosal changes.
1 - area without cortical bone and with soft tissue density, thickness >3 mm, parallel to sinus bone wall
2- sinus polyp
3-antral pseudo cyst
4- non-specific opacification
5- periostitis
6- antrolith. USING CBCT VIEWER PROGRAM
6 months
Secondary Thickness of mucosal lining of the maxillary sinus. Measured using in built linear measurement tools in CBCT viewer program . 6 months
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