HOSA DENTAL CORE EXAM MANUAL 2025/2026
QUESTIONS AND ANSWERS GRADED A+
✔✔What malocclusion results when there is an increased horizontal distance between
the Incisal edges of the maxillary and labial surfaces of the mandibular central incisors?
- ✔✔Crossbite
Open bite
Overjet*
Underjet
✔✔What part of the marginal gingiva tissue occupies the interproximal spaces? -
✔✔Marginal
Attached
Papillary*
Oblique
✔✔What type of bone graft involves the addition of synthetic material to repair or build
up bone? - ✔✔Allogenic graft
Allograft*
Autograft
Xenograft
✔✔What is the periodontal procedure used for cosmetic purposes, in which bone graft
inserts are used to reshape the natural contour of gingival and alveolar bone? -
✔✔Crown lengthening
Soft tissue graft
Ridge augmentation*
Xenograft
✔✔What is the term for a placement of a large plate through the mandibular bone to
anchor prostheses in difficult situations? - ✔✔Transosteal*
Endosteal
Subperiosteal
Endodontic
✔✔What type of implant is used for narrow jawbones - ✔✔Endosseous
Plate form*
Subperiosteal
Transosteal
✔✔What is the term for the remaining natural tooth or implanted device that supports
and stabilizes the prosthesis during a partial denture construction? - ✔✔Connector
Saddle
Abutment*
, Retainer
✔✔What is an agent used to protect an alloy from oxidation during the heating process?
- ✔✔Casting material
Flux*
Investment
Sprue base
✔✔What is a term for the working end of a dental instrument - ✔✔Bevel
Nib*
Shaft
Shank
✔✔What is another term for cotton forceps that are available with or without serrated
tips? - ✔✔Dressing pliers*
Cotton explorer
Scaler file
Curette
✔✔What is the thin-bladed periodontal hand instrument with a pointed tip and two
cutting edges that is used to scale or scrape supragingival hard deposits from the teeth?
- ✔✔Carver
Chisel
Excavator
Scaler*
✔✔What restorative hand instrument is used to break away enamel margins during
tooth preparations and smooth or refine the cavity preparation? - ✔✔Gingival marginal
trimmer
Hatchet*
Implant curette
Hoe
✔✔What instruments are used to pack restorative material into the cavity preparation -
✔✔Spatulas
Excavators
Amalgam carriers
Condensers*
✔✔What is the acronym for the handpiece with an obtuse angled head used to gain
access to posterior teeth and difficult areas? - ✔✔PHP
CAHP*
PFI
RAHP
QUESTIONS AND ANSWERS GRADED A+
✔✔What malocclusion results when there is an increased horizontal distance between
the Incisal edges of the maxillary and labial surfaces of the mandibular central incisors?
- ✔✔Crossbite
Open bite
Overjet*
Underjet
✔✔What part of the marginal gingiva tissue occupies the interproximal spaces? -
✔✔Marginal
Attached
Papillary*
Oblique
✔✔What type of bone graft involves the addition of synthetic material to repair or build
up bone? - ✔✔Allogenic graft
Allograft*
Autograft
Xenograft
✔✔What is the periodontal procedure used for cosmetic purposes, in which bone graft
inserts are used to reshape the natural contour of gingival and alveolar bone? -
✔✔Crown lengthening
Soft tissue graft
Ridge augmentation*
Xenograft
✔✔What is the term for a placement of a large plate through the mandibular bone to
anchor prostheses in difficult situations? - ✔✔Transosteal*
Endosteal
Subperiosteal
Endodontic
✔✔What type of implant is used for narrow jawbones - ✔✔Endosseous
Plate form*
Subperiosteal
Transosteal
✔✔What is the term for the remaining natural tooth or implanted device that supports
and stabilizes the prosthesis during a partial denture construction? - ✔✔Connector
Saddle
Abutment*
, Retainer
✔✔What is an agent used to protect an alloy from oxidation during the heating process?
- ✔✔Casting material
Flux*
Investment
Sprue base
✔✔What is a term for the working end of a dental instrument - ✔✔Bevel
Nib*
Shaft
Shank
✔✔What is another term for cotton forceps that are available with or without serrated
tips? - ✔✔Dressing pliers*
Cotton explorer
Scaler file
Curette
✔✔What is the thin-bladed periodontal hand instrument with a pointed tip and two
cutting edges that is used to scale or scrape supragingival hard deposits from the teeth?
- ✔✔Carver
Chisel
Excavator
Scaler*
✔✔What restorative hand instrument is used to break away enamel margins during
tooth preparations and smooth or refine the cavity preparation? - ✔✔Gingival marginal
trimmer
Hatchet*
Implant curette
Hoe
✔✔What instruments are used to pack restorative material into the cavity preparation -
✔✔Spatulas
Excavators
Amalgam carriers
Condensers*
✔✔What is the acronym for the handpiece with an obtuse angled head used to gain
access to posterior teeth and difficult areas? - ✔✔PHP
CAHP*
PFI
RAHP
