Retrieval of Displaced Root in the Maxillary Sinus Via Lateral Bony Window Using the Piezoelectric Device

Study Overview
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Brief Summary
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Ten patients with displaced root in maxillary sinus will be included in this study. the root will be recieved via lateral bony window in maxillary sinus wall using peizoelectric device then the bony window will be repositioned in its place.The patients will be received, clinically and radiologically examined, managed and followed up at the Oral and Maxillofacial surgery Department, Faculty of Dentistry, Tanta University

Detailed Description
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Purpose: This study is designed to allow removal of displaced root from maxillary sinus with minimal surgical injury and simultaneous preservation of the integrity of the lateral wall of maxillary sinus by repositioning of osteotomized lateral bony window. Materials & Methods: Ten patients with displaced root in maxillary sinus will be included in this study. surgical procedure: A full thickness flap will be elevated to expose the lateral wall of the sinus and a rectangular bony window will be done, then the sinus lining will be incised, the displaced root will be delivered, the bony window will be repositioned, and the flap will be sutured. Preoperative evaluation: The patients will be evaluated clinically for presence of inflammation, infection or oroantral communication and radiographically using computed tomography (CT) scan to identify the position of the displaced root. Postoperative evaluation: The patients will be evaluated clinically each week for one month regarding to healing, presence of infection, inflammation. Radiographically, immediate panoramic view to evaluate the position of bony window and four months later to evaluate bone healing CT scan.

Official Title
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Lecturer of Oral &Maxillofacial Surgery

Conditions
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Oroantral Fistula, Displaced Tooth

Intervention / Treatment
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* Device: lateral bony window


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: root displaced in maxillary sinus absence of infection Exclusion Criteria: • patients taking medications that affect bone healing patients underwent head and neck radiotherapy

Ages Eligible for Study
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Minimum Age: 20 Years
Maximum Age: 55 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Intervention Model: Single Group Assignment
Interventional Model Description: single group assignment patients
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: lateral bony window in maxillary sinus<br>a displaced root in maxillary sinus which will be removed through a rectangular bony window will be done on the lateral wall of sinus using piezo-electric device after elevation of a full thickness mucoperiosteal flap, then the bony window will be repositioned, and the flap will be sutured. | Device: lateral bony window<br>* bony window will be made on lateral maxillary sinus wall using piezo-electric device after elevation of full thickness mucoperiosteal membrane<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| 1. degree of pain evaluated clinically | using visual analogue scale:0 represent no pain and 10 represents the highest level of pain | one-two weeks | 
| soft tissue healing evaluated clinically | presence of dehiscence and exposure of bone or not | one- two week | 
| the position of bony window evaluated radiographically | using panoramic view to evaluate the precise position of bony window | one week | 
| bony window osteointegration and density evaluated radiographically | CT scan will be used using hounsfield units to evaluate density >1250 D1 850-1250 D2 350-850 D3 150-350 D4 | four months | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| inflammation clinically | 0 no inflammation 1-3 mild inflammation 4-7 moderate inflammation 8-10 sever inflammation 0 no inflammation 1-3 mild inflammation 4-7 moderate inflammation 8-10 sever inflammation 0 no inflammation 1-3 mild inflammation 4-7 moderate inflammation 8-10 sever inflammation | one week | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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displaced root, maxillary sinus, lateral bony window, piezoelectric device