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Access Statistics 2013 | May-August | Issue 2

 

CLINICAL TECHNIQUE
Ziv Mazor, Andreas Ioannou, Narayan Venkataraman, George Kotsakis

A Minimally Invasive Sinus Augmentation Technique using a Novel Bone Graft Delivery System

[Year:2013] [Month:May-August] [Volumn:4 ] [Number:2] [Pages:40] [Pages No:78-82]


ABSTRACT

A variety of surgical techniques and materials have been developed to increase the vertical bone height in the posterior maxilla. Minimally invasive crestal approaches for the elevation of the floor of the sinus using a crestal approach have been recently reported to minimize adverse events associated with the use of the osteotome technique for indirect sinus lift. The aim of this study is to report a surgical improvisation that minimizes risks associated with sinus floor elevation using a crestal approach and simplifies the clinical procedure. The technique is based on the use of a viscoelastic calcium phosphosilicate alloplastic putty (CPS putty) bone substitute that can be delivered utilizing a unique cartridge delivery system.
CPS putty not only acts as a 'protective cushion' thanks to its physical properties, but also provides hydraulic pressure to lift the Schneiderian membrane when used in conjunction with the cartridge system. This approach minimizes risks of benign paroxysmal positional vertigo or mechanical perforations of the Schneiderian membrane associated with the traditional osteotome technique.

Keywords: Indirect sinus lift, Minimally invasive sinus augmentation, Putty, Alloplastic.

How to cite this article: Mazor Z, Ioannou A, Venkataraman N, Kotsakis G. A Minimally Invasive Sinus Augmentation Technique using a Novel Bone Graft Delivery System. Int J Oral Implantol Clin Res 2013;4(2):78-82.

Source of support: Nil

Conflict of interest: None declared

6124

ORIGINAL RESEARCH
Xavi Oliva, Josep Oliva, Josep D Oliva, Hari S Prasad, Michael D Rohrer

Osseointegration of Zirconia (Y-TZP) Dental Implants: A Histologic, Histomorphometric and Removal Torque Study in the Hip of Sheep

[Year:2013] [Month:May-August] [Volumn:4 ] [Number:2] [Pages:40] [Pages No:55-62]


ABSTRACT

Objectives: The purpose of the present study was to demonstrate the biocompatibility and rigid osseointegration of a zirconia (Y-TZP) dental implant with acid-etched surface.

Materials and methods: Eight zirconia (Y-TZP) implants (CeraRoot, Barcelona) were inserted in the hip of an adult sheep. The animal was sacrificed after 2 months. Four implants were used for histology and histomorphometric analysis, and the other four implants were used for removal torque test (RTQ).

Results: The histological evaluation showed a direct bone to implant contact (BIC) with no signs of inflammatory or foreign body reaction. The histomorphometric analysis values ranged from 79.5 to 79.9% of BIC. The RTQ showed values ranging from 75 to 83 Ncm.

Discussion: In this animal study, the biocompatibility of CeraRoot zirconia (Y-TZP) implants was demonstrated with the histologic observations of healthy bone tissue in direct contact with the zirconia (Y-TZP) implant surface. Moreover, the histomorphometric analysis and the RTQ confirmed a rigid fixation of the implant within the bone. Comparative studies with acid-etched titanium implants are needed to further evaluate the characteristics of CeraRoot zirconia dental implants.

Keywords: Zirconia implant, Ceramic implant, Y-TZP, Removal torque test, Histology, Histomorphometric, Zirconium, Etched surface, ICE surface.

How to cite this article: Oliva X, Oliva J, Oliva JD, Prasad HS, Rohrer MD. Osseointegration of Zirconia (Y-TZP) Dental Implants: A Histologic, Histomorphometric and Removal Torque Study in the Hip of Sheep. Int J Oral Implantol Clin Res 2013;4(2):55-62.

Source of support: Nil

Conflict of interest: Drs Oliva are family member owners and developers of the CeraRoot implant system

3977

REVIEW ARTICLE
Rita Singh, Lanka Mahesh, Sagrika Shukla

Infections Resulting from Bone Grafting Biomaterials

[Year:2013] [Month:May-August] [Volumn:4 ] [Number:2] [Pages:40] [Pages No:68-71]


ABSTRACT

Use of bone grafting is a boon in saving ailing and failing bony structure. Today in dentistry all types of grafts are used, autogenous, xenografts, allografts alloplasts, all giving favorable results. Yet, all have demerits. Xenografts and allografts have high chances of transmission of infection. This article highlights grafts and transmission of such infections.

Keywords: Infections, Xenografts, Allografts.

How to cite this article: Singh R, Mahesh L, Shukla S. Infections Resulting from Bone Grafting Biomaterials. Int J Oral Implantol Clin Res 2013;4(2):68-71.

Source of support: Nil

Conflict of interest: None declared

3849

CASE REPORT
Koshika Tandon, Ajay Singh, Himanshu Gupta, Rajdeep Paul

Implant and Tooth Supported Full-Mouth Rehabilitation with Hobo Twin-Stage Technique

[Year:2013] [Month:May-August] [Volumn:4 ] [Number:2] [Pages:40] [Pages No:90-94]


ABSTRACT

The dilemma confronting many dentists today is that innovations have greatly enlarged the treatment realm for tooth preservation as well as tooth replacement. The objectives should not only be preservation of the remaining tooth structure, restoration of optimum function, esthetics and cost effectivness but also there may be a positive psychological impact for the patient. This case report demonstrates a satisfying full-mouth rehabilitation using the Hobo and Takayama twin-stage procedure including tooth and implant-supported prosthesis for a patient with esthetically and functionally compromised dentition.

Keywords: Full-mouth rehabilitation, Hobo twin-stage procedure, Condylar guidance, Incisal guidance, Cuspal angulation, Balanced occlusion, Disocclusion.

How to cite this article: Tandon K, Singh A, Gupta H, Paul R. Implant and Tooth Supported Full-Mouth Rehabilitation with Hobo Twin-Stage Technique. Int J Oral Implantol Clin Res 2013;4(2):90-94.

Source of support: Nil

Conflict of interest: None declared

2289

REVIEW ARTICLE
AB Tarun Kumar, Neelam Khalia, GV Gayathri, BH Dhanya Kumar, DS Mehta

Peri-implant Crestal Bone Preservation: Where do We Stand?

[Year:2013] [Month:May-August] [Volumn:4 ] [Number:2] [Pages:40] [Pages No:72-77]


ABSTRACT

The purpose of this article is to throw light on various factors that can cause peri-implant bone loss and range of solutions that can prevent the postoperative stigma of marginal bone loss. In this article main focus is given on the four specific implant designs which have proven to be successful in maintaining the peri-implant bone level that includes Laser-Lok implant collar, platform switching at implant abutment junction, conical implant abutment interface and microthreading on implant neck. This article also presents three case reports treated by these modified nonconventional implant designs with 1 year follow-up. The added features in them found to play an imperative role in maintaining the peri-implant marginal bone and soft tissue level and thereby influence the success and survival rates of implant supported prosthesis.

Keywords: Crestal bone loss, Platform switching, Microthread.

How to cite this article: Kumar ABT, Khalia N, Gayathri GV, Kumar BHD, Mehta DS. Peri-implant Crestal Bone Preservation: Where do We Stand? Int J Oral Implantol Clin Res 2013;4(2): 72-77.

Source of support: Nil

Conflict of interest: None declared

2061

CASE REPORT
Douglas F Dompkowski, Gregori M Kurtzman

Lateral Sinus Augmentation: A Simplified Safer Approach

[Year:2013] [Month:May-August] [Volumn:4 ] [Number:2] [Pages:40] [Pages No:83-89]


ABSTRACT

Enlargement of the maxillary sinus often precludes implant placement in the posterior quadrant without augmentation to create increased bone height to stabilize the implant fixtures and provide load handling following restoration. Maxillary sinus augmentation has been a technical challenge due to the potential for tearing of the Schneiderian membrane during lateral window formation. This article will discuss and review unique instrumentation for a safer simpler approach to lateral window maxillary sinus augmentation.

Keywords: Maxillary sinus, Sinus lift, Sinus augmentation, Dental implant.

How to cite this article: Dompkowski DF, Kurtzman GM. Lateral Sinus Augmentation: A Simplified Safer Approach. Int J Oral Implantol Clin Res 2013;4(2):83-89.

Source of support: Nil

Conflict of interest: Dr. Domkowski has lectured for Hiossen and received honoraria.

1847

ORIGINAL RESEARCH
Reza Tabrizi, Mohammadreza Azizi

Mesiodistal Bone Loss of Fresh Socket Placed Implants and Delay Placed Implants at the Anterior of the Maxilla

[Year:2013] [Month:May-August] [Volumn:4 ] [Number:2] [Pages:40] [Pages No:63-67]


ABSTRACT

Introduction: Immediate implant placement in fresh extraction sockets provides the advantage of shorter treatment time along with minimizing the number of surgical interventions.

Materials and methods: Subjects were studied in two groups: in group 1, subjects received a fresh socket placed implant at the anterior of the maxilla and in group 2, a delay placed implant was inserted at the same site. The mesial and distal marginal bone level was measured using parallel technique radiography in time 0, 12, 24 and 36 months after loading.

Results: Seventy subjects were studied in two groups. Analysis of the data using a repeat measure test demonstrated the similar bone loss patterns between two groups. Time has a significant effect on bone loss in time 1, 2, 3. The amount of bone loss increased as time passed after loading time. Comparison of bone loss in both groups demonstrated that the amount of bone loss in the central site was more than the lateral site in three measurement times for the group 2 but in the group 1, a significant difference was not observed.

Conclusion: Comparison of marginal bone loss in fresh socket placed implants and delay implants did not show a significant difference. Also a continuous bone resorption was observed over the time in the both groups. It may be needed to investigate other success criteria in fresh socket placed implants for making an appropriate treatment plane.

Keywords: Implant, Fresh socket, Bone resorption, Maxilla, Immediate.

How to cite this article: Tabrizi R, Azizi M. Mesiodistal Bone Loss of Fresh Socket Placed Implants and Delay Placed Implants at the Anterior of the Maxilla. Int J Oral Implantol Clin Res 2013;4(2):63-67.

Source of support: Nil

Conflict of interest: None declared

1710

Editorial
Kelvin Ian Afrashtehfar

The Dilemma of Dealing with Failed Dental Implants, Be Prepared!!

[Year:2013] [Month:May-August] [Volumn:4 ] [Number:2] [Pages:40] [Pages No:v]


ABSTRACT

The Dilemma of Dealing with Failed Dental Implants, Be Prepared!!

This editorial is not intended to be a clinical solving problem-based essay, rather to increase the awareness of the clinician who has considered or is currently involved in implant dentistry.

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