Class 2 composite slot preparation
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The data of the study revealed that the difference in the success rate of slot and dovetail class III preparation was not statistically significant.
None of the restorations were judged to be unacceptable. None of the prsparation showed marginal discoloration or secondary caries. The lreparation of the anatomic form of the restoration could have been caused composite an air bubble at the surface of the restoration incorporated during insertion of the composite material; anatomic defects calss slot discontinuity that was seen in the gingival margin could be due to the leakage of the gingival crevicular fluid contamination despite the use of a rubber dam.
Nevertheless, these restorations can be considered acceptable clinically. Though considered to be the most frequent cause of failure of composite restorations, recurrent caries was not noticed in this study. It may be possible that review of the increased time span may repudiate this finding. Traivorakul Chutima et al. The data available in our study are contrasting to this picture.
This may be because of various reasons: different dentists performed the procedure and the preparation dam was not used as a method of isolation in the above-mentioned study. Hence these factors could be cited as causing bias clsss the interpretation of class results.
Our study was done composite a single operator to nullify interexaminer variability. Each of these aspects may serve as a reason for the differing results observed. The discrepancies observed in this study were probably class due to the improper restorative procedure more than the insufficiency of the characteristics of the material. Further research in this regard might be beneficial.
A similar study with a longer time preparaation of follow-up and more evaluatory parameters would be the solution. The present data depict the clinical comparison of the slot- and dovetail-type cavity preparation for composite resin restorations. Slot the given data and the observations obtained in the present samples, it may be concluded that. There was no statistically significant difference in the clinical performance of slot and dovetail preparation preparation techniques for composite restorations.
Steps Of Cavity Preparation
As the dovetail form necessitates further cutting of the tooth structure, it may be viewed as an unnecessary aid preparation secondary retention. To have a better insight into the association between the interplay of various factors involved in the longevity of composite restorations, further research is needed composite a larger and more stratified population with thorough and precise details of follow-up evaluation for longer periods preparatiin time.
Source of Support: Nil. Conflict of Interest: None declared. National Center class Biotechnology InformationU.
Journal List Contemp Clin Dent v. Contemp Clin Dent. Shigliand Preparqtion. Anand L. Author information Copyright and License information Disclaimer.
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Abstract The esthetic restorations of slot anterior teeth have always occupied an important preparatiom of the pediatric dentist's armamentarium.
Keywords: Composite restorations, Dovetail, Primary anteriors, Slot.Dec 13, · We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime. Comparative evaluation of slot versus dovetail design in class III composite restorations in primary anterior teeth The data of the study revealed that the difference in the success rate of slot and dovetail class III preparation was not statistically significant. Piwat S. Comparitive evaluation of slot versus dovetail class III. Start studying Class 2 Composite Restorations. Learn vocabulary, terms, and more with flashcards, games, and other study tools. -Vertical slot preparation-Direct access. What is necessary before starting a class 2 preparation (as soon as the patient is numb)?
Cimposite The concept of composite restorations has been a boon to improving the esthetic value of restoration of destroyed tooth structure. Open in a separate window. Figure 2. Figure 1. The procedure of the preparing the tooth is the removal of the defective or friable tooth structure.
CLASS V The lesions involving the cervical third of all teeth, including the proximal surface composite posterior teeth where the marginal ridge is not included in the cavity preparation. Class VI: Preparations on incisal edges of anterior and cusp tips of posterior preparation without involving any other surfacecome under class VI. Outline form should include all defective pits and fissures Initial depth of preparation should be 0. During tooth preparation, the margins of preparation not only extend into sound tooth tissue but also involve adjacent deep pits and fissures in preparation.
It is done with the objective slot preventing the recurrence of caries at the margins of fillings where the recurrence of decay is most commonly seen. Restrict the extension of external walls to allow strong marginal ridge areas with sufficient dentin support.
Resistance form also depends upon type of restorative material being used. For example, high copper amalgam requires minimal thickness of 1. The composite restorations and glass ionomer restorations are more dependent on occlusal wear potential of restorative area and usually require thickness of more than 2. A Resistance form of tooth provided by flat pulpal and gingival floor, B In case of rounded pulpal floor, the rocking motion of restoration results in wedging force which may result in failure of restoration Usually, resistance and retention forms are obtained by class same features, hence they are sometimes described together.
Infected dentin must be removed even, if it leads to exposure of pulp which is treated accordingly. Liners, Varnishes, Bases: Liners and varnishes are used where preparation depth is shallow and remaining dentin thickness is more than 2 mm. Bases are the cements used on pulpal and axial walls in thickness of about 0. They provide thermal, galvanic, chemical and mechanical protection to the pulp.
Class 2 Composite Restorations Flashcards | Quizlet
Commonly used restorative materials as base are zinc phosphate cements, glass ionomers, polycarboxylate cements, zinc oxide eugenol, and calcium hydroxide cement. These are as following: Grooves and coves: Wherever bulk of dentin is present, grooves are prepared without undermining the adjacent enamel. Coves are small conical depressions Grooves are placed in prepared in healthy dentin to provide additional axiofacial and retention. Slots or internal boxes: These are mainly used in amalgam restorations.
They are 1. These are SLOT prepared in occlusal box, buccoaxial, linguoaxial and gingival walls.EVIDENCE-BASED GUIDELINES. For Planning and Placing. Direct Class II Resin-Based Composite Restorations. Box-only (slot) Class II Preparation. A slot preparation resembles the proximal portion of a conventional preparation without any involvement of the central groove It is indicated for teeth with a small proximal caries lesion and. tooth 34 after 21/ 2 years of service. The facial slot Class II cavity preparation, first described by Roggenkamp and others,9 and modified for use with GIC restoratives by Croll,10 represents a time-saving, tooth-saving, minimally invasive approach that yields an esthetic restoration acceptable to patients. This conservative approach represents. CLASS II CAVITY PREPARATION CHARACTERISTICS OF AN IDEAL CLASS II Contact area carious lesion Proximal view Vertical section - Buccal view Class II carious lesions are diagnosed using bitewing radiographs. In reading a bitewing radiograph, it is important to know that a .
Locks: Locks are usually prepared for amalgam class II restoration in the proximal or occlusal box of class II Pins: Different types of pins prepadation various c,ass and sizes are used to provide additional retention. They can be used in all types of restorations like amalgam, composite and cast restorations. Skirts: Skirts are prepared for providing additional retention in cast restorations. They increase the total surface area of the preparation. Skirts can be prepared on one to all four Skirt in cast restoration sides of the preparation depending upon the required helps in increasing retention retention
4 thoughts on “Class 2 composite slot preparation”
The esthetic restorations of primary anterior teeth have always occupied an important part of the pediatric dentist's armamentarium. Various materials have been tried for this purpose and ample materials have been researched in an attempt to fulfill the prerequisites for an ideal esthetic restorative material. Composite resins have been traditionally noted to have decreased bonding ability to primary teeth and the use of secondary retentive features has been advocated to increase bonding.