'Branching Technique' in Complete Dentures- A Review.

International Journal of Research in Engineering & Science ISSN:(P) 2572-4274 (O) 2572-4304 Available online on http://rspublication.com/IJRES/IJRE.html volume 9 Number 5, 2025 DOI: 10.5281/zenodo.17252681 Original Article ©2025 RS Publicaon, rspublica[email protected] 127 ‘Branching Technique’ in Complete DenturesA Review. Dr.B. LakshmanaRao 1 , Dr. PSH Lakshmi Parvathi 2 , Dr. A. Devi Suvarchala 3 , Dr. K. JayaLakshmi 4 , Dr.K. Udaya Bhanu 5 . 1.Professor & HOD, Dept of Prosthodontics, Lenora Institute of Dental Sciences, Rajahmundry, A.P., 2.Sr. Lecturer, Dept of Prosthodontics, Lenora Institute of Dental Sciences, Rajahmundry, A.P., 3.Post Graduate Student, Dept of Prosthodontics, Lenora Institute of Dental Sciences, Rajahmundry, A.P., 4. Post Graduate Student, Dept of Prosthodontics, Lenora Institute of Dental Sciences, Rajahmundry, A.P., 5. Post Graduate Student, Dept of Prosthodontics, Lenora Institute of Dental Sciences, Rajahmundry, A.P. ARTICLE INFO ABSTRACT ©2025 RS Publicaon Paper ID: IJRES68DD5FBA9593B Received: 2025-09-02 Published: 2025-10-02 DOI: https://dx.doi.or g/10.5281/zenodo. 17252681 Page No: 127-138 The Conventional (Five-appointment) technique has long been regarded the best way to do things because it is systematic and gives predictable results. However, it involves more visits and more time in the clinic. The Branching Technique, which was first developed by Pound and then improved by Turbyfill, uses functional impressions, phonetics, and esthetic trial arrangements through treatment dentures to make prostheses that are very personalized and work best for patients with severely resorbed ridges or high esthetic needs. But it takes more time and a lot of skill. The Accelerated (Simplified) Technique, on the other hand, makes making dentures easier by cutting down on the number of visits to the dentist to two or three. Frush and Smudde came up with the idea, and Idowu and others worked on it. There is a paucity of literature regarding the Branching Denture Technique. This review study sought to examine the Branching Denture technique. Key words: Complete dentures; Branching technique; Accelerated technique; Conventional method; Simplified denture fabrication; Prosthodontics. Corresponding Author: Dr.B. LakshmanaRao  Mail: kushulu[email protected] Introduction: Different methods have been developed to make complete dentures that strike a balance between accuracy, efficiency, and aesthetics. Every method has its own pros and cons. Different ways to make dentures: [1-6] Internaonal Journal of Research in Engineering & Science Available online on http://rspublication.com/IJRES/IJRE.html ISSN:(P) 2572-4274 (O) 2572-4304 Cite This Paper: Dr.B. LakshmanaRao , Dr. PSH Lakshmi Parvathi, Dr. A. Devi Suvarchala, Dr. K. JayaLakshmi and Dr.K. Udaya Bhanu (2025). "‘Branching Technique’ in Complete DenturesA Review.". INTERNATIONAL JOURNAL OF RESEARCH IN ENGINEERING & SCIENCE (IJRES), vol. 9, no. 5, 2025, pp. 127-38. DOI: https://dx.doi.org/10.5281/zenodo.17252681 International Journal of Research in Engineering & Science ISSN:(P) 2572-4274 (O) 2572-4304 Available online on http://rspublication.com/IJRES/IJRE.html volume 9 Number 5, 2025 DOI: 10.5281/zenodo.17252681 Original Article ©2025 RS Publicaon, rspublica[email protected] 128 I. Five-Appointment Conventional Technique Includes an initial impression, a final impression, recordings of the jaw relationship, a try-in, and delivery. The method that is most often used. II.Branching Denture Technique is a method for making complete dentures in which numerous alternative denture designs (branches) are planned or made at the same time based on a single diagnostic pathway. It helps the doctor and technician choose the best prosthetic design for a patient by letting them compare different options (for example, teeth arrangement, occlusal scheme, esthetics, and function). This method is quite helpful when there are a lot of different esthetic, functional, or anatomical factors to think about. The idea was brought up to make it easier to make dentures and get patients to accept them by looking at several choices before making a decision.[7] III. Accelerated Technique in Complete Dentures The Accelerated Technique is a way to speed up the process of making complete dentures by cutting down on the number of appointments and lab stages needed. This means that dentures can be finished in fewer trips. The major goal is to save time, make things easier for patients, and keep clinical standards high. Usually, the procedures of impression, jaw connection, and try-in are done together to speed up the process. Dr. Earl Pound is most generally credited with the Branching Technique for making full dentures. Walter F. Turbyfill is also involved in the development and teaching of the Branching Technique. [7] The Accelerated Technique is a way to change the traditional process for making complete dentures so that there are less appointments and laboratory processes. This means that dentures can be finished in fewer visits. The major goal is to save time, make things easier for patients, and keep clinical standards high. Usually, the procedures of taking an impression, measuring the jaw, and trying on the new teeth are done at the same time to speed up the process. Dr. A. Idowu and other doctors made this method popular in the 1970s and 1980s when they looked at simpler ways of doing things. However, many authors have suggested other versions of it. [8-12] Role of Frush & Smudde in the Accelerated Technique Milo Hellman Frush and Smudde are best recognized for their work on lentogenic, which is the study of how to make dentures that look well on each person. They also helped make the process of making dentures faster. In the 1950s and 1960s, they talked about changes to the usual sequence that would cut down on the number of appointments while still keeping the esthetic and practical quality. They proposed the amalgamation of certain procedures, including impression creation and jaw relation documentation, and devised techniques to facilitate aesthetic try-ins with less modifications. Their work created the framework for what would later be called the Accelerated Technique, which focused on: International Journal of Research in Engineering & Science ISSN:(P) 2572-4274 (O) 2572-4304 Available online on http://rspublication.com/IJRES/IJRE.html volume 9 Number 5, 2025 DOI: 10.5281/zenodo.17252681 Original Article ©2025 RS Publicaon, rspublica[email protected] 129 Efficiency: cutting down on visits to the doctor. Patient-centered esthetics: combining principles of dentogeny. Functional predictability: keeping the occlusal harmony even when there are fewer steps. So, even if succeeding writers (like Idowu) have improved the Accelerated Technique, Frush & Smudde laid the groundwork for a simpler but more personalized way to make dentures. I. Five-Appointment Technique This is a systematic modification of the conventional method, where complete dentures are constructed in five clinical appointments: 1. Diagnosis & Preliminary impressions 2. Final impressions 3. Jaw relation records 4. Try-in of waxed dentures 5. Insertion of finished dentures It simplifies the standard 6-appointment method (where diagnosis and primary impressions are often split). The five-appointment method was described in detail by Boucher CO. [1,2,9] II.Branching (Pound) technique: a step-by-step guide (practical order) The Branching (Pound) technique involves a fake treatment (or "training") denture that the patient wears while the tissues are healed and the physician collects phonetic, functional, and aesthetic data. The "working" denture is then utilized to make precise functional imprints and to help build the final denture(s). [7,13-15] 1. First evaluation and record-keeping Take a comprehensive history, do an intraoral exam, take pictures, and get old dentures (if they are there), study casts, and X-rays as needed. Write down the patient's complaints about fit, chewing, speech, and appearance. 2. Initial impressions or diagnostic castings Make initial impressions with alginate and a tray, and then pour diagnostic castings. These castings are the first step in making the treatment denture. 3. Record bases/wax rims—use phonetics to find VDO and lip support. Use speech (S, F/V, M phonetics) as your main guidance for the location of the front teeth and the vertical dimension of occlusion (VDO) and lip support. Mount casts and use wax rims/record bases to do this. For example, the incisors are put in the S-position (speaking space), and then the VDO is set a little more closed than the speech position. International Journal of Research in Engineering & Science ISSN:(P) 2572-4274 (O) 2572-4304 Available online on http://rspublication.com/IJRES/IJRE.html volume 9 Number 5, 2025 DOI: 10.5281/zenodo.17252681 Original Article ©2025 RS Publicaon, rspublica[email protected] 130 4. Use phonetics and esthetics to set the front teeth. Place the maxillary incisors in the right place for lip show and M/F/V phonetics. Place the mandibular incisors in the S-position for clear pronunciation. Any agreed-upon alterations to the esthetics or position should be written down on a study cast. This is part of the "blueprint." 5. Set up the back teeth with a lingualized occlusion (a common Pound set-up). To make chewing as efficient as possible while reducing lateral stresses that could make the prosthesis unstable, posterior teeth are frequently put in lingualized occlusion (sharp maxillary lingual cusps occluding in shallow mandibular fossae). You can keep your VDO by using porcelain or strong teeth. 6. Process the denture for therapy (training) Make the denture out of acrylic as a temporary or therapy denture. A soft tissue conditioner or Hydro-Cast type substance is sometimes used to line (or subsequently reline) the inside of the fitting surface. This makes it more comfortable and also gives a functional impression while the patient wears it. This both conditions tissues and keeps track of how the body works. 7. Give the treatment denture and the functional wear duration (data collection) Give the patient the treatment denture and tell them to wear it while doing everyday things like eating and talking. Over the course of a few weeks, the clinician: Watches speech and esthetics. Keeps an eye on tissue reaction and reconditioning; Makes small changes to tooth placements and occlusion when necessary; Lets the soft inner liner make a functional impression of the tissues. (This wearing phase is the main notion behind "branching"—while the patient is really wearing the denture, they can try out different little routes and changes.) 8. Improve occlusion and phonetics throughout the therapy phase Make small changes over and over again (like adjusting the occlusal equilibration and the position of the teeth) until both the patient and the doctor are happy with how the teeth sound, feel, and work. Make sure to note any definite alterations on the study casts, as these will help you make the final appliance. 9. Create a functional (pick-up) impression or copy the treatment denture. When the tissues have been repaired and the prosthesis works well, one of the following can happen: a) Take a pick-up (functional) impression over the treatment denture (using the light-body PVS/Hydro-Cast/tissue conditioner technique described by Pound/Turbyfill) to make master casts that show the functional, conditioned tissues; OR b) b) Make copies of the treatment denture (lab duplicates/study casts) and use those casts to make the final prosthesis. The pick-up/impression over the current denture captures the shape of the border and how the tissue adapted during the wearing phase. International Journal of Research in Engineering & Science ISSN:(P) 2572-4274 (O) 2572-4304 Available online on http://rspublication.com/IJRES/IJRE.html volume 9 Number 5, 2025 DOI: 10.5281/zenodo.17252681 Original Article ©2025 RS Publicaon, rspublica[email protected] 131 10. Mounting, choosing the last tooth, and processing Use the recorded jaw relations (taken at the end of the treatment denture phase or during the pick-up impression step) to mount the new master casts. Move the confirmed tooth placements and occlusion to a final wax try-in, or go on with processing utilizing teeth and base materials that last longer (porcelain or chosen acrylic teeth, tinted/resin base). 11. Putting it in and making only little changes after it is in The final installation shouldn't need many changes because the treatment denture has already been "patient-tested." Look at the occlusion, the border extension, the phonetics, and the pressure areas. Set up follow-up appointments for small fixes and, if necessary, relining. 12. Records and "branch" papers Keep the treatment denture and all of the study casts and data. They show that the branch you took was successful and can be utilized later for relines, duplicates, or making implants or stents. Indications, pros, and cons (short) Indications: patients with uncomfortable or abused ridges, hard-to-understand speech, old dentures that don't fit well, severely resorbed ridges, or when you need to restore esthetics and VDO in a predictable way. Benefits: predictable phonetics and esthetics, tissue reconditioning, less adjustments after insertion, and the chance to "try" several solutions on a real patient (the branching idea). Limits: more time in the chair overall, more lab work up front, more money and time spent; it's not a quick "one-visit" approach. III. Accelerated / Simplified complete-denture technique — step-by-step Procedure "Accelerated" (also known as streamlined or accelerated) approaches combine or leave out some standard clinical and lab steps so that dentures can be created in fewer visits (3 → 1) or with a 2-visit digital workflow. Randomized trials and comprehensive reviews demonstrate that simplified or faster processes can yield comparable patient satisfaction and denture quality while conserving time and costs in suitable instances. [8,16-23] (A) a commonly used analog 3-visit accelerated workflow (most widely taught), and (B) a single-session combined impression + jaw-record variant, and (C) a digital 2-visit CAD/CAM workflow. After each section I show the key literature that supports/illustrates that approach. A. Typical 3-visit (analog) accelerated / simplified workflow — step-by-step First, choose the case: this is best for patients with healthy, non-flabby ridges and no severe undercuts. If the denture is already satisfactory, remake or replicate it to speed up the process. (If tissues are damaged, utilize the standard multi-visit technique.) International Journal of Research in Engineering & Science ISSN:(P) 2572-4274 (O) 2572-4304 Available online on http://rspublication.com/IJRES/IJRE.html volume 9 Number 5, 2025 DOI: 10.5281/zenodo.17252681 Original Article ©2025 RS Publicaon, rspublica[email protected] 132 Visit 1: Exam and first impressions (around 20 to 45 minutes in the chair) 1. Go over the patient's history, do an intraoral exam, and talk about their expectations and how they want their teeth to look. 2. Make preliminary impressions of the maxilla and mandible using alginate or fast alginate. If the patient has a denture that works, make a replica of it (copy technique) to use as a guide. This speeds up the lab stages. Step 1 in the lab Make diagnostic castings. Make either (a) custom trays (rapid vacuum-formed or acrylic) and record bases + wax occlusion rims, or (b) a copy of a denture or temporary tray if you want to copy an existing prosthesis. (Lab time is usually 24 to 48 hours.) Visit 2: Final (master) impressions and jaw relations in one visit (around 45 to 75 minutes in the chair) 1. Fit the record bases and change the height and fit of the rim. Find out and write down the vertical dimension of occlusion (VDO) and the centric relationship with the occlusion rims. In many simpler methods, face-bow is not required. 2. If necessary, use a border mold and take final impressions with a single-stage (laminar) or two-stage approach using a PVS (light/medium body) or other suitable material. Many streamlined protocols use a one-visit final impression with a properly made tray. (Choose the right material and technique for the type of tissue.) 3. If you haven't previously, make an interocclusal record (bite registration) right after the impression. Check the esthetic plane and phonetics. Step 2 in the lab Use the jaw recordings to mount castings on the articulator. Set teeth (wax try-in setup). Taking proper records made lab processes easier. Visit 2. Visit 3: (optional) try-in, processing, and insertion (30 to 90 minutes at the chair) Choices for streamlined workflows: Do aesthetic and phonetic checks on the full wax try-in, then move on to processing. OR Limited or no try-in: some streamlined protocols skip the entire wax try-in (or simply utilize anterior teeth try-in) to cut down on visits, which is fine for some patients. Evidence suggests that patients are typically just as happy and able to function with these workflows as they are with traditional ones. Deliver the final denture after processing and make any necessary changes. After implantation, make usual adjustments and provide the patient instructions. Then, set up follow-up appointments. International Journal of Research in Engineering & Science ISSN:(P) 2572-4274 (O) 2572-4304 Available online on http://rspublication.com/IJRES/IJRE.html volume 9 Number 5, 2025 DOI: 10.5281/zenodo.17252681 Original Article ©2025 RS Publicaon, rspublica[email protected] 133 Notes / proof: The prosthodontic literature describes the "3–4 visit" accelerated treatments (including duplicate-denture methods) and shows that they can cut down on chair time and costs without consistently lowering patient satisfaction in RCTs and reviews. B. Single-session approach (final impression + jaw relation) — step by step When the clinician or lab can consistently make precise trays or occlusal rims, as shown by Utz and Daher/Morgano. Principle: Use pre-shaped functional trays/occlusal rims and the right materials to make the functional (final) impression and record the maxillo-mandibular relationship in the same visit. 1. Make or get a pre-shaped functional tray (or a duplicate denture tray) with tissue stops and occlusal rim equivalents. 2. Use a low-fusing compound or a one-step PVS border procedure to border-mold the tray inside the mouth. 3. Use the tray to make the final (useful) impression with medium-body PVS or something similar. While the impression is still in place or using the stabilized tray, write down the VDO and centric relation right away, using wax or registration material as needed. So, the impression also acts as the record vehicle. 4. The lab makes castings from those records and then sets up and processes the teeth. Delivery happens on a visit that comes after the first one, or, in some workflows, the same day if the lab has room. C. Digital / CAD-CAM 2-visit expedited process — step-by-step Principle: take digital impressions or recordings (or digitize regular impressions), then design and mill or print the whole denture in the lab or central milling facility, and deliver it on the second appointment. Go to 1—Records (on the chair) ≈ 30–60 min 1. Take scans of the inside of the mouth (or regular impressions that are scanned in the lab). 2. Get occlusal records, bite registrations, and photos/records of the esthetics. Send the CAD/CAM lab/system (such the Baltic Denture System or other commercial workflows) digital files and requirements. Step in the lab Digital design (virtual tooth set), milled (or printed) denture bases and/or denture teeth are made. The processing is computerized and done at the factory, so the turnaround time is quick. Visit 2—Delivery (around 30–60 minutes at the chair). 1. If the system allows it, try on the final milled denture or deliver it directly. Check the fit and occlusion and make small adjustments while the patient is in the chair. It looks like CADCAM dentures can be made in two visits with a good fit and ability to be made again. International Journal of Research in Engineering & Science ISSN:(P) 2572-4274 (O) 2572-4304 Available online on http://rspublication.com/IJRES/IJRE.html volume 9 Number 5, 2025 DOI: 10.5281/zenodo.17252681 Original Article ©2025 RS Publicaon, rspublica[email protected] 134 Helpful hints and restrictions: When to utilize rapid methods: when the patient is motivated, when travel is limited, when the tissues are strong, or when reproducing an existing denture that is already acceptable. When not to use them: when you have flabby ridges, a lot of anatomical problems, intricate aesthetic needs, or when you need to try them on again and again to manage vertical dimension or occlusion. Materials: PVS (light/medium) is often utilized for the final imprint in simplified workflows, whereas alginate is fine for the first impressions. The Cochrane review did not identify a definitive superior material for last impressions of overall therapeutic outcomes; the choice of material should be contingent upon the clinical context. Evidence summary: several RCTs and a systematic review demonstrate that simplified or expedited approaches frequently decrease chair time and costs while yielding similar patientreported outcomes compared to conventional multi-visit protocols, contingent upon suitable case selection. 3. Conventional / Five-Appointment Method [1,16] Strengths: People all throughout the world learn it and think of it as the "gold standard." Each step (impression, jaw connection, esthetic try-in) is checked on its own, which makes the results predictable. Limitations: It takes more time and money. Recent research indicate no substantial clinical benefit of simpler procedures for patient outcomes. Verdict in literature: Still the educational norm, but evidence suggests that simpler methods work just as well in most circumstances. *Branching Technique → Best for hard cases (extreme ridge resorption, strong esthetic/phonetic demand). *Accelerated/Simplified Technique is best for everyday clinical practice, especially where time and money are important. *Conventional Five-Appointment Method: This is the best approach to teach, train, and get predictable results, but it doesn't always make patients happier than simpler methods. Most of the time, people prefer simplified or accelerated approaches since they are more efficient and get similar results for patients. The Branching Technique is better for complicated, personalized cases, and the Conventional method is still the best way to teach. Which Method is Better? 1. The Branching Technique (Pound/Turbyfill) Strengths: It makes custom dentures that fit better, look better, and sound better. Functional impression forming and treatment denture conditioning are great for severely resorbed ridges and tissues that have been abused. International Journal of Research in Engineering & Science ISSN:(P) 2572-4274 (O) 2572-4304 Available online on http://rspublication.com/IJRES/IJRE.html volume 9 Number 5, 2025 DOI: 10.5281/zenodo.17252681 Original Article ©2025 RS Publicaon, rspublica[email protected] 135 Limitations: It needs more appointments, time in the chair, and clinical knowledge. Not extensively used because it is hard to do. In literature, the verdict is that it is best for complicated circumstances that need the most accuracy and customization, not for everyday cases. [13,14] 2. Accelerated / Simplified Technique Strengths: RCTs and systematic reviews indicate no substantial difference in patient satisfaction, masticatory efficiency, or denture quality as compared to conventional procedures. Saves time, money, and effort for patients, especially those who are older, live in rural areas, or have health problems. [20,21,24] Limitations: It's harder to make changes and try on esthetics. There is a small chance of mistakes if the operator is new. In literature, the verdict is: Recommended for most routine patients because it works well without hurting results. How to Use These Techniques in CAD–CAM Dentures [6,21,25,26] 1. The traditional procedure with five appointments Working with CAD–CAM: Digital workflows (such AvaDent® and Baltic Denture System) nevertheless follow the same basic steps as traditional workflows: impression → jaw relation → tooth setup → try-in → insertion. Digital tooth libraries and virtual articulation are employed instead of wax rims and physical try-ons. So, the standard sequence can be easily used with CAD–CAM procedures. Limitation: In entirely digital systems, physical try-ins are sometimes skipped, which can make it harder to check for aesthetics. 2. The Pound/Turbyfill branching technique Integration with CAD–CAM: You can sort of recreate functional impressions, tissue conditioning, and phonetic verification with digital try-ins, which are 3D-printed prototypes. But the complete "branching" philosophy (testing multiple tooth arrangements in clinical settings) is harder to do in pure digital workflows because CAD–CAM values efficiency throughout several iterations. Relevance to clinical practice: Can be used with 3D-printed trial dentures that let you examine the phonetics and aesthetics before machining the final prosthesis. This means that a hybrid "digital branching" method is conceivable. 3. A faster and simpler way to do things