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level: LANDMARKS AND STRUCTURES

Questions and Answers List

level questions: LANDMARKS AND STRUCTURES

Question	Answer
Guide for anterior occlusal length (PARALLEL)	INTERPUPILLARY LINE
Anterior Occlusal Plane Determination	INTERPUPILLARY LINE
Ala tragus line is also called	Camper’s line
Posterior Occlusal Determination	ALA TRAGUS LINE
becomes deeper with age and with loss of teeth	NASO-LABIAL SULCUS
A chiasma of facial muscles held together by fibrous tissue, located lateral and slightly superior to each angle of the mouth	MODIOLUS
junction between facial muscles (zygomatic major, depressor anguli oris, levator anguli oris, platysma, orbicularis oris, buccinator, risorius, incisivus superior and inferior)	MODIOLUS
lateral of the corner of the mouth then pout	MODIOLUS
becomes flat with the loss of teeth	MODIOLUS
Classes of jaw relations	LABIOMENTAL SULCUS
INTRAORAL LANDMARKS:Thick part of the mucous membrane covering the incisive foramen	INCISIVE PAPILLA
INCISIVE PAPILLA:Found on the palate between the ___ in dentate person	2 central incisors
INCISIVE PAPILLA:edentulous arch, it is located at the ____________	anterior end of the median palatine raphe
INCISIVE PAPILLA:The nasopalatine nerves and vessels pass through the incisive foramen to supply the anterior _____of the palate	two-third
INCISIVE PAPILLA:May lie on the _____ due to excessive resorption	crest of the ridge
Guide in locating the midline	INCISIVE PAPILLA
INCISIVE PAPILLA:Change of position is relative to the residual ridge resorption in the _________	nasopalatine nerve and vessels.
INTRAORAL LANDMARKS:Irregularly shaped elevations of soft tissue extending laterally from the midline in the anterior part of the hard palate.	PALATINE RUGAE
INTRAORAL LANDMARKS:Covered by a thin layer of mucoperiosteum covering the median palatine suture.	MEDIAN PALATINE RAPHE
INTRAORAL LANDMARKS:Source of fulcrum when highly elevated- provide relief to increase denture stability by preventing its rocking movement	MEDIAN PALATINE RAPHE
MEDIAN PALATINE RAPHE: joins the right and the left halves of the hard palate	suture
MEDIAN PALATINE RAPHE:_____ to fulcrum when elevated	Fracture
INTRAORAL LANDMARKS:It will affect retention, support and stability	RESIDUAL ALVEOLAR RIDGE
INTRAORAL LANDMARKS:It is the area which remains following the removal or loss of tooth.	RESIDUAL ALVEOLAR RIDGE
INTRAORAL LANDMARKS:It is important for retention and support of the upper denture against lateral movement.	TUBEROSITY
INTRAORAL LANDMARKS:The denture should cover it, because it is the one of the stress bearing areas in the upper jaw.	TUBEROSITY
INTRAORAL LANDMARKS:Primary stress bearing area of the maxilla which is part of residual ridge	TUBEROSITY
INTRAORAL LANDMARKS:Primary stress bearing region in the maxilla for support	HARD PALATE
INTRAORAL LANDMARKS:Found in the anterior region of the palate, the bony part.	HARD PALATE
INTRAORAL LANDMARKS:Lies posterior to the hard palate.	IMMOVABLE PART OF SOFT TISSUE
INTRAORAL LANDMARKS:Important landmark which serves as guide in fabrication of denture	IMMOVABLE PART OF SOFT TISSUE
denture limiting structures in maxilla:must be relieved in the denture by making a v-shape notch in the labial ****** opposite to its position.	LABIAL FRENUM
DENTURE LIMITING STRUCTURES IN MAXILLA:It is the reflection of the mucosa of the lip to the mucosa of the alveolar process in the	LABIAL VESTIBULE
denture limiting structures in maxilla:the denture in this area is in relation to the orbicularis oris and the superior incisive muscles which limit the thickness and the length of the labial ****** of the denture.	LABIAL VESTIBULE
a ____ is made in the denture ****** opposite to its position to facilitate its functional movements.	notch
____ most extend in the deepest position of the buccal vestibule	Buccal flanges
DENTURE LIMITING STRUCTURES IN MAXILLA:Posterior limit of the upper denture	HAMULAR NOTCH
DENTURE LIMITING STRUCTURES IN MAXILLA:Behind hamular notches- rarely significant	PTERYGOMANDIBULAR RAPHE
DENTURE LIMITING STRUCTURES IN MAXILLA:Have patient open wide as possible	PTERYGOMANDIBULAR RAPHE
DENTURE LIMITING STRUCTURES IN MAXILLA:Can displace denture if extended on the area	PTERYGOMANDIBULAR RAPHE
DENTURE LIMITING STRUCTURES IN MAXILLA:2 indentation at the soft palate	FOVEA PALATINA
DENTURE LIMITING STRUCTURES IN MAXILLA:Used to guide limit of the posterior border of the denture	FOVEA PALATINA
DENTURE LIMITING STRUCTURES IN MAXILLA:The posterior border of the upper denture is usually located __ anterior to the fovea Palatina.	2 mm
DENTURE LIMITING STRUCTURES IN MAXILLA:At junction of the movable and non-movable portions of the soft palate	VIBRATING LINE (AH LINE)
DENTURE LIMITING STRUCTURES IN MAXILLA:This line determines the posterior end of the upper denture	VIBRATING LINE (AH LINE)
DENTURE LIMITING STRUCTURES IN MAXILLA:Identified when the patient says “Ah”	VIBRATING LINE (AH LINE)
Between mx and mn: which has less surface area for retention	mandibular
Between mx and mn: shorter denture border	maxilla
what can cause displacement in the mandibular	Movable structures of the tongue and floor of the mouth
STRESS BEARING AREAS IN MANDIBULAR:Terminal border of the denture base	RETROMOLAR PAD
Retromolar pad: what affects comfort and PS:	Compressible soft tissue
STRESS BEARING AREAS IN MANDIBULAR:A pear-shaped area of mucous membrane at the posterior end of the mandibular ridge and anterior to the pterygomandibular raphe	RETROMOLAR PAD
muscles of retromolar pad:	fibers of the buccinators and superior constrictor muscle
what part of the mandible does not undergo resorption	RETROMOLAR PAD
STRESS BEARING AREAS IN MANDIBULAR:Can be use as reference in determining the height of Occlusal plane in the posterior lower	RETROMOLAR PAD
STRESS BEARING AREAS IN MANDIBULAR:Determining buccolingual position of artificial teeth	RETROMOLAR PAD
STRESS BEARING AREAS IN MANDIBULAR:Acts as valve seal area for the lower denture.	RETROMOLAR PAD
Boundaries of Buccal shelf:Anterior	buccal frenum
Boundaries of Buccal shelf:Posterior	RMP (Retromolar Pad)
Boundaries of Buccal shelf:Medial	residual ridge
Boundaries of Buccal shelf:Lateral	External OR
STRESS BEARING AREAS IN MANDIBULAR:The area that lies between the crest of the R. ridge and the external oblique ridge	BUCCAL SHELF
STRESS BEARING AREAS IN MANDIBULAR:The primary stress bearing in the lower arch and providing good support of the denture	BUCCAL SHELF
affects distobuccal border	Buccinator
contraction does not displace the lower denture so flanges of the lower denture must extend in the buccal vestibule.	Masseter
LIMITING STRUCTURES (LOWER):It is fold of mucous membrane in the premolar	BUCCAL FRENUM
LIMITING STRUCTURES (LOWER):More anteriorly a fold of mucous membrane attach the mucosa of the tongue to mucosa of the floor of the mouth	LINGUAL FRENUM
LIMITING STRUCTURES (LOWER):Need to capture-especially when there is a severe resorbed ridge	RETROMYLOHYOID FOSSA / SULCUS/ LINGUAL POUCH / SUBLINGUAL AREA
raises floor of mouth during activity	Mylohyoid muscle
palpate; if prominent it will probably require relief	Mylohyoid ridge
LINGUAL POUCH boundaries:Posteriorly	palatoglossus muscle
LINGUAL POUCH boundaries:Anteriorly	Mylohyoid muscle
LINGUAL POUCH boundaries:Medially	tongue
LINGUAL POUCH boundaries:Laterally	medial aspect of the mandible
LIMITING STRUCTURES (LOWER):The lingual flanges of the lower denture should not extend in this area because with excessive resorption of the mandible, the gland may bulge superiorly above the body of the mandible	SUBLINGUAL SALIVARY GLAND AREA