Scientific Program

Day 1 :

Keynote Forum

Mohammad A. AlShammari,

Kuwait Ministry of Health, Kuwait

Keynote: Why are we still saving teeth? The revival of microsurgery in the implant epoch

Time : 09:20:00

Biography:

Mohammad A. AlShammari is an Endodontist recently graduated and qualified from the Kuwait Board of Endodontics. He qualified from Jordan University of Science & Technology in 2016, then he worked at Kuwait Ministry of Health during his training year he applied for Kuwait board program & got accepted. During the first of the program, he was awarded the MFD (RCSI) from the Royal College of Surgeons in Ireland in 2018, Elected as the Chief Resident. Alshammari has a special interest in endodontic microsurgery and had treated many varieties of cases during the past few years.Mohammad A. AlShammari is an Endodontist recently graduated and qualified from the Kuwait Board of Endodontics. He qualified from Jordan University of Science & Technology in 2016, then he worked at Kuwait Ministry of Health during his training year he applied for Kuwait board program & got accepted. During the first of the program, he was awarded the MFD (RCSI) from the Royal College of Surgeons in Ireland in 2018, Elected as the Chief Resident. Alshammari has a special interest in endodontic microsurgery and had treated many varieties of cases during the past few years.

Abstract:

In the dental implant epoch, the trend seems to be to extract compromised teeth and replace them with implants. Yet, the long-term prognosis of teeth might not be comparable with the prognosis of dental implants. Complications, failures, and diseases such as peri-implantitis are not rare, and, despite the belief, implants are not 99% successful. Other treatment options that aim to save compromised teeth such as microsurgery, intentional replantation, and autotransplantation should be considered on an individual basis. With the advent of surgical techniques and instruments, the clinical and radiographic outcomes of endodontic surgery have been dramatically improved, these treatments have competing success rates to dental implants. And more importantly, it retains the natural tooth in the dentition for a longer period of time. a

  • Dental Implant
Location: Spain

Chair

Nirvana Khalaf Mansour

Ministry of Health

Session Introduction

Samar Jambi

Ministry of Health, Saudi Arabia

Title: Partial enucleation of the Nasopalatine canal for implant placement
Speaker
Biography:

Samar Jambi is a certified consultant in prosthodontics and a Board Certified consultant of implant dentistry practicing at the North Jeddah Centre of Dental Specialties, Jeddah, Saudi Arabia. She earned her Bachelor degree in Dentistry from King Abdulaziz University, Saudi Arabia in 1995, Master degree in Restorative dentistry from Leeds University, UK in 2002, PhD degree in Fixed Prosthodontics from Leeds University, UK in 2008. She did her Fellowship in Implant Dentisrty King Abdulaziz University, Saudi Arabia in 2015. Samar Jambi is a member of the Saudi Dental Society as well.

Abstract:

Statement of the Problem: One of the anatomical obstacles for dental implants placement in the upper jaw is the nasopalatine canal. The neurovascular contents include nasopalatine nerve, terminal branch of nasopalatine artery and anastomoses with greater palatine nerve and artery. This gives innervation and vascularization for the upper anterior region from the right canine to the left canine. Unfortunately, after extraction of the anterior maxillary teeth, high resorption rate happens on the area. In addition, presence of the incisive canal jeopardizes the ideal position of the implants placement. As a result, enucleation of the canal content and then replaced by bone graft or substitute is necessary to improve the bone bed. Neurological impairment of the soft tissue such as paresthesia or dysesthia may exist after enucleation of the canal. In order to prevent any change in sensation and having bone augmentation at the same time, partial removal of the canal content (coronal 2/3 of its contents) and placement of allograft bone is presented in this case report. Re-entry surgery after six month of the surgical site showed an adequate bone. An implant was placed then a prosthetic restoration was placed. After one year of follow up the implant was successful and no sensory disturbances were shown. A comparison was presented before and after the treatment of the case. Clinical photos and CT figures were included.  

Khaled A. Omar

Tripoli University, Libya

Title: Convergence angles of Porcelain Fused To Metal Crowns performed in Libyan private dental practice
Speaker
Biography:

Khalid Omar Alzwaghi, Lecturer, BDS, MDentSci, PhD, Department of Fixed Prosthodontics, Tripoli University, Libya

Abstract:

Back ground:  Full coverage porcelain fused to metal crowns (PFM) is commonly recommended for restoration of extensively damaged teeth. Ability of the dentist to adequately prepare teeth is necessary to achieve a proper success and longevity of these restoration.

Aims: This study aimed to determine the degree of axial taper and total occlusal convergence angles (TOC) for Porcelain Fused To Metal crowns (PFM) prepared with clinically practiced values, that carried out by dental practitioners in Tripoli center, Libya.

Materials and Methods: It was a descriptive, cross-sectional study design and held at Alzendah private dental laboratory, Tripoli Libya.

A convenience sample (40) models of Porcelain Fused To Metal Crowns (PFM) preparations carried out by private dental practitioners were scanned by employing a 3D model scanner (Ceramill Map300, Amanngirrbach, Austria).  Evaluation of the total occlusal convergence (TOC), bucco-lingual and mesio-distal convergence angles of each abutment tooth was proceeded using B&B dental software (Guide system, B&B, Italy). The degree of taper was measured on the axial walls of each crown preparation and the bucco-lingual and mesio-distal convergence angles subsequently calculated.

Results: A total of 40 casts having crown preparations (15 anterior, 25 posterior). The mean convergence angles mesio-distally for all preparations was 40.29° (sd 21.8°), and for the bucco-lingual was 29.92° (sd 9.3°), with mean of TOC was 35.10°.

In anterior preparations, the mean bucco-lingual convergence angle was 42.32° (sd 12.2°) compared to 24.52° (sd 15.5°) for posterior preparations (p<0.001). Mean mesio-distal convergence anteriorly was 20.39° (sd 10.18') compared to 20.01° (sd 12.16°) posteriorly (p<0.001). Distal and buccal taper were significantly greater on posterior teeth (p<0.001) compared to anterior whereas lingual taper was greater on anterior teeth (p<0.001).

Conclusions: The mean convergence angles for porcelain fused to metal crowns produced by private dental general practitioners in Tripoli, Libya, were significantly greater in bucco-lingual dimension than mesio-distal. This results exceeded the recommended guidelines proposed in the literature and it was not easy for them to achieve ideal taper results.