teeth arrangement/ orthodontics courses online
Post on 03-Jul-2015
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PRINCIPLES OF TEETH
ARRANGEMENT
INDIAN DENTAL ACADEMY
Leader in continuing dental education www.indiandentalacademy.comwww.indiandentalacademy.com
MAXILLRY CENTRAL INCISOR•THE LONG AXIS OF THE TOOTH IS PARALLEL TO THE VERTICAL AXIS.•TH LONG AXIS OF THE TOOTH IS SLOPING LABIALLY WHEN VIEWED FROM SIDE.•THE INCISAL EDGE OF THE TOOTH CONTACTS THE HORIZONTAL PLANE EVENLY. www.indiandentalacademy.com
MAXILLRY LATERAL INCISOR
•THE LONG AXIS OF THE TOOTH IS TILTED TOWARDS THE MIDLINE.•TH LONG AXIS OF THE TOOTH IS SLOPING LABIALLY WHEN VIEWED FROM SIDE.•THE INCISAL EDGE OF THE TOOTH 2MM ABOVE THE HORIZONTAL PLANE EVENLY. www.indiandentalacademy.com
MAXILLRY CANINE•THE LONG AXIS OF THE TOOTH IS PARALLEL TO THE VERTICAL AXIS.
•TH LONG AXIS OF THE TOOTH IS PARALLEL TO THE VERTICAL WHEN VIEWED FROM SIDE.
•THE CUSP TIP OF THE CANINE CONTACTS THE HORIZONTAL PLANE EVENLY.
www.indiandentalacademy.com
MAXILLRY 1ST PREMOLAR•THE LONG AXIS OF THE TOOTH IS PARALLEL TO THE VERTICAL AXIS.
•TH LONG AXIS OF THE TOOTH IS PARALLEL TO THE VERTICAL WHEN VIEWED FROM SIDE.
•THE BUCCAL CUSP CONTACTS THE HORIZONTAL PLANE EVENLY.
www.indiandentalacademy.com
MAXILLRY 2ND PREMOLAR•THE LONG AXIS OF THE TOOTH IS PARALLEL TO THE VERTICAL AXIS.
•TH LONG AXIS OF THE TOOTH IS PARALLEL TO THE VERTICAL WHEN VIEWED FROM SIDE.
•THE BUCCAL CUSP & PALATAL CUSP CONTACTS THE HORIZONTAL PLANE EVENLY.
www.indiandentalacademy.com
MAXILLRY 1ST MOLAR•THE LONG AXIS OF THE TOOTH IS TILTED BUCCALLY WHEN VIEWED FROM THE FRONT.
•TH LONG AXIS OF THE TOOTH IS TILTED DISTALLY WHEN VIEWED FROM SIDE.
•THE MESIO PALATAL CUSP ALONE CONTACTS THE HORIZONTAL PLANE EVENLY.
www.indiandentalacademy.com
MAXILLRY 2ND MOLAR•THE LONG AXIS OF THE TOOTH IS TILTED BUCCALLY WHEN VIEWED FROM FRONT
•TH LONG AXIS OF THE TOOTH IS TILTED DISTALLY WHEN VIEWED FROM SIDE.
•THE MESIO PALATAL CUSP ALONE IS NEAR TO THE HORIZONTAL PLANE EVENLY.
www.indiandentalacademy.com
MANDIBULAR CENTRAL INCISOR
•THE LONG AXIS OF THE TOOTH IS PARALLEL TO THE VERTICAL AXIS.•TH LONG AXIS OF THE TOOTH IS SLOPING SLIGHTLY LABIALLY WHEN VIEWED FROM SIDE.•THE INCISAL EDGE OF THE TOOTH IS 2MM ABOVE THE OCCLUSAL PLANE EVENLY. www.indiandentalacademy.com
MANDIBULAR LATERAL INCISOR
•THE LONG AXIS OF THE TOOTH IS TILTED TOWARDS THE MIDLINE.•TH LONG AXIS OF THE TOOTH IS SLOPING LABIALLY WHEN VIEWED FROM SIDE BUT NOT AS CENTRAL.•THE INCISAL EDGE OF THE TOOTH 2MM ABOVE THE OCCLUSAL PLANE EVENLY.
www.indiandentalacademy.com
MANDIBULAR CANINE•THE LONG AXIS OF THE TOOTH IS PARALLEL TO THE VERTICAL AXIS.
•TH LONG AXIS OF THE TOOTH IS PSLOPES SLIGHTLY MESIALWHEN VIEWED FROM SIDE.
•THE CUSP TIP OF THE CANINE 2MM ABOVE OCCLUSAL PLANE EVENLY.
www.indiandentalacademy.com
MANDIBULAR 1ST PREMOLAR•THE LONG AXIS OF THE TOOTH IS SLOPES LINGUALLY WHEN VIEWED FROM SIDE.
•TH LONG AXIS OF THE TOOTH IS PARALLEL TO THE VERTICAL WHEN VIEWED FROM SIDE.•THE LINGUAL CUSP IS BELOW OCCLUSAL PLANE & BUCCAL CUSP 2MM ABOVE OCCLUSAL PLANE. www.indiandentalacademy.com
MANDIBLAR 2ND PREMOLAR•THE LONG AXIS OF THE TOOTH IS SLOPES LIGUALLY.
•TH LONG AXIS OF THE TOOTH IS PARALLEL TO THE VERTICAL WHEN VIEWED FROM SIDE.
•THE BUCCAL CUSP & LINGUAL CUSP 2MM ABOVE THE OCCLUSAL PLANE .
www.indiandentalacademy.com
MANDIBULAR 1ST MOLAR•THE LONG AXIS OF THE TOOTH IS SLOPES LIGUALLY WHEN VIEWED FROM THE FRONT.
•TH LONG AXIS OF THE TOOTH IS TILTED MESIALLY WHEN VIEWED FROM SIDE.
•ALL THE CUSPS 2MM ABOVE THE OCCLUSAL PLANE.
www.indiandentalacademy.com
MANDIBULAR 2ND MOLAR•THE LONG AXIS OF THE TOOTH IS SLOPES LINGUALLY WHEN VIEWED FROM FRONT
•TH LONG AXIS OF THE TOOTH IS TILTED MESIALLY WHEN VIEWED FROM SIDE.•ALL THE CUSPS 2MM ABOVE THE OCCLUSAL PLANE.
www.indiandentalacademy.com
CANINE KEY OF OCCLUSION
•THE DISTAL SLOPE OF LOWER CANINE SHOULD REST ON THE MESIAL SLOPE OF THE CANINE.
www.indiandentalacademy.com
MOLAR KEY OF OCCLUSION
•THE MESIO BUCCAL CUSP OF THE UPPER MOLAR SHOULD REST ON THE BUCCAL GROOVE OF THE LOWER MOLAR.
www.indiandentalacademy.com
ALIGNMENT OF CCLUSAL GROOVE
•THE CENTRAL GROOVE OF THE MAXILLARY POSTERIORS SHOULD LIE ON THE STRAIGHT LINE JOINING THE TIP OR DISTAL ARM OF THE CANINE ANTERIORLY AND THE MID OF THE OCCLUSAL RIM POSTERIORLY
www.indiandentalacademy.com
OVER JET & OVER BITE•OVER JET: THE PROJECTION OF TEETH BEYOND THEIR ANTGONISTS IN HORIZONTAL PLANE.
•OVER BITE: THE VERTICAL RELATIONSHIP PF THE INCISAL EDGES OF THE MAXILLRY TEETH TO THE MANDIBULAR INCISORS WHEN THE TEETH ARE MAXIMUM INTERCUSPATION.[GPT-7]
www.indiandentalacademy.com
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