DBT-BET case studies
DBT-BET · Put your knowledge to work in context.
The DBT-BET is a board-style certification exam for dental laboratory technicians - the people who fabricate crowns, bridges, dentures, orthodontic appliances and implant restorations from a dentist's prescription. It is aimed at technicians preparing to demonstrate competence across the full laboratory workflow rather than a single specialty, and at employers or regulators who want an external benchmark of that competence. The DBT-BET case studies are 5 cases and about 2,537 words.
1Limited Distobuccal Clearance for a Maxillary Molar Crown
A dental laboratory receives a mounted cast for a monolithic zirconia crown on the maxillary left first molar. The dentist's prescription specifies full-coverage zirconia, 1.0 mm minimum occlusal thickness, and shade A3.
570 words, about 3 min2Material Selection for a Bruxing Patient With Thin Anterior Abutments
A 42-year-old patient needs a 3-unit fixed partial denture replacing the maxillary right central incisor. The abutments are the right lateral incisor and the left central incisor.
453 words, about 2 min3Pier Abutment Connector Fracture in a Five-Unit PFM FPD
A 5-unit porcelain-fused-to-metal fixed partial denture was cemented three years ago, spanning the mandibular arch with a pier abutment in the middle. The patient now presents with a fractured distal connector and chipped porcelain at the pier abutment.
473 words, about 2 min4Reline or Remake for a Flat-Ridge Mandibular Denture
A 68-year-old edentulous patient has worn a mandibular complete denture for four years. The ridge shows about 2 mm of resorption and is relatively flat.
479 words, about 2 min5Text Request, Missing Prescription, and a Patient Phone Call
A dental practice's office manager sends the laboratory a text message with an attached intraoral scan and asks for a zirconia crown for 'J.D.' by Friday. The message gives the tooth as 26, shade A2, and says 'same as last time.' No written prescription, signed authorization, or patient identifier beyond initials is provided.
562 words, about 3 min