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Proximal adhesive restorative techniques until now still suffer one shortcoming: Due to the linear axis of bur rotation, access to undermining caries still requires substantial sacrifice of sound hard tissues, and in most of the restored proximal lesions, more sound than infected tissue may be removed when conventional cavity designs are cut [15,16,17]. Therefore, tunnel restorations have been repeatedly discussed as possible alternative to conventional box-only fillings [18,19,20,21,22,23,24,25,26,27,28,29,30]. It is assumed to be advantageous that tunnel preps are less invasive and may make it easier to achieve a tight proximal contact [23,24,25,26]. On the other hand, both excavation and preparation are demanding to the operating dentist, and the risk to overlooked caries as well as fracturing lateral ridges is omnipresent in scientific literature of the field [24, 25, 27,28,29,30]. However, the predominant number of papers deals with glass ionomer cements where no adhesive stabilization is provided and fractures may be logical [31,32,33]. Also, the routine use of flowable composites to get easier access to undermining areas is not considered in most of the clinical studies [23].




Class 2 Cavity Preparation Pdf Download



A total of 229 patients received 673 proximal resin composite restorations. From 371 tunnel restorations, 205 cavities were filled with resin composite (Amelogen Plus) without flowable composite lining (group tunnel A). A total of 166 tunnels were restored with additional use of a flowable composite (tunnel B, i.e., application of a thin ( 2 mm (Fig. 5). In cases with near-to-complete or complete loss of the lateral ridge, a classical box-only preparation was cut. In a few cases, undermining caries toward buccal or oral aspects required extended access preparations and made tunnels impossible (Fig. 6).


PEDIATRIC OPERATIVE DENTISTRY (cont.)\n \n \n \n \n "," \n \n \n \n \n \n March 11, 2009 STI. Go for the Gold! \uf09e Characteristics Parallelism \u25cb No undercut areas like in direct restorations Lost wax technique Higher strength.\n \n \n \n \n "," \n \n \n \n \n \n Tooth preparation fixed prosthodontics DR. zaher A. madi.\n \n \n \n \n "," \n \n \n \n \n \n General Dentistry\/ Matrix Systems\n \n \n \n \n "," \n \n \n \n \n \n Cavity preparation according G.V.Black\n \n \n \n \n "," \n \n \n \n \n \n The Cast Restorations Cast restoration has been defined as a precise duplicate for the prepared cavity which is fabricated outside the oral cavity and.\n \n \n \n \n "," \n \n \n \n \n \n Morphology of Primary Teeth\n \n \n \n \n "," \n \n \n \n \n \n Indications and clinical technology of manufacture of artificial crowns.\n \n \n \n \n "," \n \n \n \n \n \n Class I and II Composite Restorations Principles & Techniques\n \n \n \n \n "," \n \n \n \n \n \n Dr. Recep Uzgur Department of Prosthodontics\n \n \n \n \n "," \n \n \n \n \n \n DIRECT FILLING GOLD Dr. Zameer pasha Lecturer, college of dentistry AlZulfi, Majma\u2019ah University.\n \n \n \n \n "," \n \n \n \n \n \n Partial Veneer Crowns , Inlays and Onlays\n \n \n \n \n "," \n \n \n \n \n \n MOD ONLAYS INDICATIONS Broken down teeth with intact buccal and lingual cusps Broken down teeth with intact buccal and lingual cusps MOD restorations with.\n \n \n \n \n "," \n \n \n \n \n \n Class I Amalgam Preparations\n \n \n \n \n "," \n \n \n \n \n \n Dr. Gaurav Garg Lecturer,M.D.S College of Dentistry, Zulfi, M.U.\n \n \n \n \n "," \n \n \n \n \n \n PRINCIPLES OF TOOTH PREPARATION (Lecture or Part-2)\n \n \n \n \n "," \n \n \n \n \n \n PEDODONTICS 1-4 Dr. Abdullah Abumoamar.\n \n \n \n \n "," \n \n \n \n \n \n Mandibular Premolars Dental Health Proper Tooth Contours =\n \n \n \n \n "," \n \n \n \n \n \n Dr. Gaurav Garg (M.D.S.) Lecturer, College of Dentistry Al Zulfi, MU.\n \n \n \n \n "," \n \n \n \n \n \n Overall Classification: UNCLASSIFIED\/\/REL TO NATO\/ISAF.\n \n \n \n \n "," \n \n \n \n \n \n CLASS I CAVITY PREPARATION FOR AMALGAM\n \n \n \n \n "," \n \n \n \n \n \n Instructions for Clinic\n \n \n \n \n "," \n \n \n \n \n \n Dr.Gaurav Garg ( M.D.S.) Lecturer, College of Dentistry Al Zulfi, M.U. RESTORATION OF CLASS I & CLASS V PREPARATION Assalaam Alekum 6\/10\/2015.\n \n \n \n \n "," \n \n \n \n \n \n Dr. Gaurav Garg ( M.D.S.) Lecturer, College of Dentistry Al Zulfi, M.U. Asalaam Alekum Date: 18\/11\/2014.\n \n \n \n \n "," \n \n \n \n \n \n Class III, IV & V Composite Cavity Preparations\n \n \n \n \n "," \n \n \n \n \n \n Indirect Cast gold inlay & Onlay restorations\n \n \n \n \n "," \n \n \n \n \n \n Class I. cavity preparation for amalgam restoration.\n \n \n \n \n "," \n \n \n \n \n \n Asalaam Alekum 12\/2\/2015. \uf09e At the end of lecture students should know: \uf076 Introduction & definition of Dental (Pit & fissure) sealants \uf076 Role of sealants.\n \n \n \n \n "," \n \n \n \n \n \n Rest and Rest Seats Dr.shanai M..\n \n \n \n \n "," \n \n \n \n \n \n Class V. cavity preparation and restoration\n \n \n \n \n "," \n \n \n \n \n \n Waxing #12 on the Dentoform\n \n \n \n \n "," \n \n \n \n \n \n Slot Preparations for Amalgam Restorations\n \n \n \n \n "," \n \n \n \n \n \n Removable partial denture Rests & Rest Seat\n \n \n \n \n "," \n \n \n \n \n \n Guiding plane and Occlusal rest seat Design & Preparation\n \n \n \n \n "," \n \n \n \n \n \n Maxillary Premolars Dental Health Proper Tooth Contours =\n \n \n \n \n "," \n \n \n \n \n \n Operative Dentistry.\n \n \n \n \n "," \n \n \n \n \n \n Class I. cavity preparation for amalgam restoration.\n \n \n \n \n "," \n \n \n \n \n \n Class IV Cavity Preparation\n \n \n \n \n "," \n \n \n \n \n \n Gate toward Operative Dentistry\n \n \n \n \n "," \n \n \n \n \n \n Class III Cavity Preparation\n \n \n \n \n "," \n \n \n \n \n \n Rests & Rest Seats.\n \n \n \n \n "," \n \n \n \n \n \n Artificial crowns. Clinical and technological aspects.\n \n \n \n \n "," \n \n \n \n \n \n \u0628\u0633\u0645 \u0627\u0644\u0644\u0647 \u0627\u0644\u0631\u062d\u0645\u0646 \u0627\u0644\u0631\u062d\u064a\u0645.\n \n \n \n \n "," \n \n \n \n \n \n Occlusion Exercise #19 & #20: Additive Wax Technique\n \n \n \n \n "," \n \n \n \n \n \n DESIGN OF COMPLEX AMALGAM PREPARATION\n \n \n \n \n "," \n \n \n \n \n \n DESIGN OF COMPLEX AMALGAM PREPARATION\n \n \n \n \n "," \n \n \n \n \n \n New Cavity Classification:\n \n \n \n \n "," \n \n \n \n \n \n G.V. BLACK\u2019S CLASSIFICATION AND CLASS I CAVITY PREPARATION\n \n \n \n \n "]; Similar presentations


The cavity preparation of tunnel restoration removes less tooth tissue compared to the conventional Class II box and slot preparation (Figure 1). The demineralised enamel in the interproximal surface can be preserved in a tunnel preparation if it is not cavitated. With the preservation of different amounts of enamel in the interproximal surface, the tunnel preparation can be classified as (1) total tunnel (complete removal of the demineralized proximal enamel), (2) partial tunnel (partial removal of the proximal surface with the preservation of some demineralized proximal enamel) and (3) internal tunnel (preservation of proximal enamel).11,13Figure 1 Tooth structure loss in cavity designs. (A) Class II preparation - removal of occlusal and proximal tooth structure including the marginal ridge. (B) Slot preparation - removal of proximal tooth structure including the marginal ridge. (C) Tunnel preparation - removal of occlusal and proximal tooth structure.


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