الفهرس 
Clinical and radiographic evaluation of the use of pontic shield technique for alveolar ridge preservation in the esthetic region : A case series
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Abstract
Aim: This study aimed to assess post-extraction bucco-lingual dimensional changes of the alveolar ridge in the upper esthetic region using pontic shield technique as a treatment modality in partial extraction therapy
Methodology: The present case series was conducted on 5 patients treating 6 sites. Dental patients were recruited from the outpatient diagnostic center, Faculty of Dentistry, Cairo University. Participants who fulfilled the inclusion criteria and provided informed consent were assigned for the study. Consequently, the patients received pontic shield technique by partially extracting the tooth and filling the remaining socket with xenograft, then sealing the socket with connective tissue graft. Bucco-lingual ridge dimension (BLD), Labial bone thickness (LBT) and Gingival thickness (GT)) were measured at baseline and after 6 months. Healing score was recorded at 2 weeks and 1 month.
Results: Results of the BLD that were calculated using CBCT and bone caliper showed a statistically significant decrease from the baseline to the 6 months follow up (p=0.00, p= 0.001) respectively. The LBT was calculated using CBCT and showed a statistically non-significant decrease in all recorded levels from baseline to 6 months (p>0.05). Results of the GT that were calculated using endodontic file showed a statistically significant gain from baseline to 6 months (p=0.001). Results of the HS that were calculated using early wound healing score analogue showed statistically significant improvement from 2 weeks to 1 month (p=0.00).