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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01878084
Other study ID # BIOGLASS-STDF#116
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date October 2013
Est. completion date January 2018

Study information

Verified date February 2020
Source Alexandria University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of the present research is to evaluate the effect of bioactive glass in bone regeneration immediately following extraction of mandibular and maxillary premolars.The hypothesis of the study assumes that this treatment would promote the healing of the extraction socket while preserving both the height and width of the bone. Furthermore, it would allow more effective tooth movement during orthodontic treatment.


Description:

Bioactive glass has long been known as a bone graft substitute capable of bone augmentation. The current proposal introduces a newly tailored bioactive glass scaffold with multi-scale porosity prepared using the sol-gel technique to regenerate bone in extraction sockets with the aim of preserving the alveolar ridge. This novel material has the potential to enhance angiogenesis and osteogenesis thereby preserving the overall height and width of the alveolar bone by regenerating new bone that closely mimics the adjacent healthy one. Thirty patients requiring myofunctional therapy including premolar extraction as part of a two stage orthodontic treatment (class II division I) will be enrolled in this phase I/II clinical study. Patients will undergo extraction of their maxillary and mandibular premolar teeth. This will serve as a split-mouth study where on one side the extraction sockets will be left empty while on the other side they will receive the bioactive glass as a bone graft substitute. Clinical and radiographic assessment of healing will be performed at the following time intervals; 1,2,4,12,24 weeks. Clinical criteria will include scoring for pain, inflammation, and occurrence of any post-operative complications using a well-defined scoring system. Radiographic assessment will monitor the changes in crestal bone height and bone mineral density. Computed tomographic scans will also be taken preoperatively and at 6 months for each patient for 3D assessment of bone changes. A core biopsy will also be taken after informed consent at the 6 months time-point to evaluate the quality and quantity of new bone formed.


Recruitment information / eligibility

Status Completed
Enrollment 9
Est. completion date January 2018
Est. primary completion date December 2016
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 9 Years to 16 Years
Eligibility Inclusion Criteria:

- Patients must have good oral hygiene (confirmed by OHI-S)

- Patients who had voluntarily agreed on signing an informed consent including the duration and all the steps of the trial

- Patients who are indicated for the administration of the type of local anesthesia used in the trial

- Patients who need myofunctional therapy including premolar extraction as part of two stage treatment (class II division I)

- Patients indicated for premolar extraction as a normal step in the treatment plan not intentionally for the experiment.

- Patients who had undergone x- rays on the premolar teeth showing root form and the shape of the socket prior to extraction

Exclusion Criteria:

- Patients with history of bleeding disorders which will hinder the normal healing process of the needed sockets for the trial

- Patients with history of allergy to foreign bodies , i.e. susceptible to reactions from Bioglass

- Patients with history of hypertension and diabetes , rendering them not indicated for administration of the recommended type of local anesthesia nor even for extraction

- Patients having HCV , HBV , HIV or other infectious diseases to make sure of the safety of the research team and the participants from probable infection .

- Mentally retarded patients who are not able to understand the steps of the trial Patients with systemic diseases or febrile illness making them unable to follow the appointments arranged

- Patients who simultaneously participate in other research studies

- Patients with traumatic surgical extraction

Study Design


Intervention

Other:
bioactive glass (sol-gel)
Extraction sockets will be augmented using bioactive glass (sol-gel)
empty extraction socket
Extraction socket will be left empty

Locations

Country Name City State
Egypt Tissue Engineering Laboratories, Faculty of Dentistry, Alexandria University Alexandria

Sponsors (2)

Lead Sponsor Collaborator
Alexandria University Lehigh University

Country where clinical trial is conducted

Egypt, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Alveolar Crestal Bone Height The primary objective of the study is to determine the effect of using bioactive glass in preservation of alveolar crestal height and width surgical sockets immediately after premolar extraction assessed at baseline, 1,2,4,8,12,24 weeks post-extraction, baseline ,4 and 12 weeks reported. This change was analyzed by subtracting the values of each interval from the baseline values.the positive values indicate that the alveolar crest is coronal to the cemento enaml junction (reference point) , while the negative values indicate that the alveolar crest in apical to the cemento enamel junction (reference point) assessed at baseline, 1,2,4,8,12,24 weeks post-extraction, baseline,4 and 12 weeks reported.
Primary Bone Mineral Density The primary objective of the study is to determine the effect of using bioactive glass in inducing alveolar bone regeneration safely and effectively in surgical sockets immediately after premolar extraction assessed at baseline, 1,2,4,8,12,24 weeks post-extraction, baseline,4 and 12 weeks reported. assessed at baseline, 1,2,4,8,12,24 weeks post-extraction, baseline,4 and 12 weeks reported.
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