Complete denture copy technique—A practical application

Abstract

The copy denture technique is a misnomer for the clinical and laboratory procedures involved in making complete dentures that replicate most of the features of the original prosthesis. The aim is to replicate the good features of an otherwise successful prosthesis that now requires replacement and to alter the poor features and so it is strictly speaking not a copy. There are many purported advantages to this technique which include reduced treatment time, increased patient acceptance especially for the elderly who may not adapt so well to a new prosthesis, maintenance of tooth position and vertical dimension. A typical case is presented illustrating the clinical stages involved with a discussion of the merits of this technique.

Using a Simple Chair-Side Copy Denture Technique in the AvaDent Digital Denture Process: A Case Report and Review

“…Regardless of what the intended use is for the copy denture, the techniques for fabricating one, as summarized by Polyzois et al 1986 [4], includes making a flexible mold of the original denture using either irreversible hydrocolloid or silicone. When using a silicone such as heavy body polyvinyl siloxane, it is at the discretion of the clinician if it needs to be done with or without a stock tray or copy jig [5]. Once the mold is formed, the replica denture is made by pouring wax, auto polymerizing acrylic resin, or shellac into it.…”

“…Bearing these shortcomings in mind, when the patient in the case presented to the School of Dentistry requiring a new set of dentures, an assessment was done to determine if copying the dentures would be feasible. A proper assessment is necessary to determine if any modifications need to be made to the occlusal, polished or fit surfaces of the dentures before the copy denture is made [5]. Having ascertained this, the patient's consent was obtained and a process of copying the dentures as described below was followed mimicking conditions as they may occur within the private practice environment.…”

Técnica de cópia de próteses totais para pacientes idosos: relato de caso

“…Os métodos de cópia de próteses totais ("copy denture"), também conhecidos como métodos de duplicação ou clonagem, são descritos em diversos protocolos na literatura [7][8][9] . Dentre estes, a técnica conhecida como "copy denture" tem como principal benefício potencializar uma rápida adaptação ao novo par de próteses 10 , uma vez que este irá possuir um formato já conhecido pelo paciente, mantendo tanto a posição dos dentes quanto sua dimensão vertical de oclusão 10,11 . Além disto, outros benefícios são citados, como o fornecimento de orientações à equipe técnica sobre a posição, estética e formato dos dentes; técnica de registro maxilo-mandibular mais simplificada; além da diminuição do número de visitas clínicas para confecção das próteses, redução das etapas laboratoriais e do tempo dos pacientes na cadeira odontológica 12,13 .…”

“…Apesar de haver relatos na literatura 6,10,11,13,14 , esta técnica é pouco difundida e, muitas vezes, não é considerada como opção de tratamento em casos de pacientes idosos com maiores dificuldades potenciais de se adaptarem a novas próteses totais. Desta forma, o objetivo deste relato de caso é descrever o tratamento com próteses totais maxilar e mandibular utilizando-se a técnica de cópia.…”

Digital Duplication and 3D Printing for Implant Overdenture Fabrication

“…A variety of techniques have been proposed to duplicate clinically satisfactory complete removable dental prosthesis 7‐9 . Traditionally, denture duplication requires several steps, such as creating the mold with impression materials, pouring autopolymerizing resin into the mold, re‐contouring, and polishing of duplicated prosthesis 10 .…”