Frenum attachment and it's management.
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Transcript of Frenum attachment and it's management.
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FRENUM ATTACHMENT
AND IT’S MANAGEMENT.
DR BHAUMIK THAKKAR.
PART II P.G. DEPT OF PERIODONTOLOGY.
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CONTENTS
INTRODUCTION
DEVELOPMENT
TYPES OF FRENAL ATTACHMENT
VARIATIONS
DIAGNOSIS
ANKYLOGLOSSIA
COMPLICATIONS OF ANKYLOGLOSSIA
CLASSIFICATION
SYNDROMES ASSOCIATED WITH ABNORMAL FRENUM
COMPLICATIONS OF ABNORMAL FRENUM
TREATMENT
CONCLUSION
REFERENCES
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INTRODUCTION
What is a frenum?
Frenum is a thin fold of mucous membrane with enclosed musclefibers that attach the lips to the alveolar mucosa and underlyingperiosteum. ( Carranza 10th edition)
A frenulum is a small frenum. There are several frena that are usuallypresent in a normal oral cavity, most notably the maxillary labialfrenum, the mandibular labial frenum, and the lingual frenum.
Their primary function is to provide stability of the upper and lower lipand the tongue.
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DEVELOPMENT
The maxillary labial frenum develops as a post eruptiveremnant of the ectolabial bands which connects the tubercleof the upper lip into the palatine papilla.
It extends over the alveolar process in infants and forms araphe that reaches the palatal papilla.
Through the growth of alveolar process as the teeth erupt,this attachment generally changes to assume the adultconfiguration.
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TYPES OF FRENAL ATTACHMENT
Depending upon the extent of attachment of fibres, frena have beenclassified by Placek et al. 1974 as:
MUCOSAL- The frenal fibres are attached up to themucogingival junction.
GINGIVAL- The fibres are inserted within the attachedgingiva.
PAPILLARY- The fibres extend into the interdental papilla.
PAPILLA PENETRATING- The frenal fibres cross the alveolarprocess and extend up to palatine papilla.
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VARIATIONS
Other variations of normal frenal attachment
Include:
• Simple frenum with a nodule
• Simple frenum with appendix
• Simple frenum with nichum
• Bifid labial frenum
• Persistent tectolabial frenum
• Double frenum
• Wider frenum
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Mucosal frenal attachment
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Gingival frenal attachment
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Papillary frenal attachment
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Papilla penetrating frenal attachment
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Simple frenum with a nodule
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Simple frenum with appendix
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Wider frenal attachment
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Simple frenum with nichum
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DIAGNOSIS
Tests for frenal attachment:
1. Tension Test.
2. Blanch Test.
Miller et al(1985) recommended that the frenum should becharacterised as pathogenic when it is unusually wide orthere is no apparent zone of attached gingiva along themidline or the interdental papilla shift when the frenum isextended.
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ANKYLOGLOSSIA (TONGUE
TIE)
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ANKYLOGLOSSIA
Ankyloglossia or tongue-tie is an uncommon congenitalanomaly that occurs as a result of a short, tight, lingualfrenulum causing difficulty in speech articulation due tolimitation of tongue movement.
WALLACE et al 1963 defined tongue-tie as
“a condition in which the tip of the tongue cannot be protrudedbeyond the lower incisor teeth because of a short frenulumlinguae, often containing scar tissue.”
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CLINICAL FEATURES OF ANKYLOGLOSSIA
Ankyloglossia leads to :
Limited mobility of tongue.
Difficulty in swallowing.
Difficulty in speech articulation which is evident for consonants like “s, z, t,d, l, j, zh, ch, th, dg” and it is especially difficult to roll an “r”.
Notched or “heart-shaped” tongue when it is protruded.
FREE-TONGUE:
The term free-tongue is defined as the length of tongue from the insertionof lingual frenum from the base of the tongue to the tip of the tongue.
Clinically acceptable, normal range of free-tongue is greater than 16 mm.
(Kotlow et al 1999)
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CLASSIFICATION
Ankyloglossia can be classified into 4 classes based on Kotlow’sassessment in 1999 (based on length of tongue from insertion oflingual frenum at base of the tongue to the tip of the tongue) asfollows:
CLASS I: MILD ANKYLOGLOSSIA (12 to 16 mm)
CLASS II: MODERATE ANKYLOGLOSSIA (8 to 11mm)
CLASS III: SEVERE ANKYLOGLOSSIA (3 to 7 mm)
CLASS IV: COMPLETE ANKYLOGLOSSIA (< 3mm)
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SYNDROMES ASSOCIATED WITH ABNORMAL FRENUM
Ehlers-Danlos syndrome
Infantile hypertrophic pyloric stenosis
Holoprosencephaly
Ellis-van Creveld syndrome
Oro-facial-digital syndrome
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EHLERS-DANLOS SYNDROME
It is a genetic disorder characterized by hyperextensive skin and hyper mobile joints with nogender predilection.
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Hypermobile joint and hyper extensive skin seen in a patient with Ehlers- danlos syndrome
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EHLER DANLOS SYNDROME ORAL MANIFESTATION
DE FELICE ET AL 2001
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INFANTILE HYPERTROPHIC PYLORIC STENOSIS
Occurs commonly in males at a ratio of 4.5 to 1with an unknown etiology.
The absence or hypoplasia of mandibular frenum isseen in patients with this syndrome.
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INFANTILE HYPERTROPHIC PYLORIC STENOSIS
DE FELICE ET AL 2000
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HOLOPROSENCEPHALY
It is an autosomal dominant condition characterized by abrain malformation due to defects in prosencephalon.
It is characterized by defects including cyclopia, singlenostril, single central incisor and premaxillary agenesis.
Absence of labial maxillary frenum is one of thecharacteristic features of this condition.
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HOLOPROSENCEPHALY
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ELLIS-VAN CREVELD SYNDROME
It is an autosomal recessive disorder mainly affecting enamel, hair andnails.
Patients with this syndrome characteristically present withcongenitally missing teeth, abnormal frenal attachment, microdontiaand hexadactyly.
The most common finding is fusion of the anterior portion of the upperlip to the maxillary gingival margin, as a result of which no mucobuccalfold exists, causing the upper lip to present a slight V-shaped notch inthe middle (partial hare lip or lip-tie).
The anterior portion of the lower ridge is often serrated and presentswith multiple small labial frenula.
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Oral manifestations seen in Ellis-van Creveld syndrome
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COMPLICATIONS OF ABNORMAL FRENUM
A frenum becomes a problem if the attachment is too close to the marginalgingiva.
Tension on the frenum may pull the gingival margin away from the tooth.
This condition may be conducive to plaque accumulation and inhibit propertooth brushing.
Abnormal frenum has been found to be associated with:
• Loss of papilla.
• Recession.
• Persistence of midline diastema.
• Difficulty in brushing.
• Malalignment of teeth .
• Compromised denture fit or retention.
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TREATMENT
Techniques for removal of aberrant frenum are : Frenotomy Frenectomy
Frenectomy : Refers to the complete removal of frenum,including its attachment to the underlying bone.It is required in the correction of abnormal diastemabetween maxillary central incisors (Friedman 1957).
Frenotomy: Is the incision of the frenum.It is usually done to relocate the frenal attachment so as tocreate a zone of attached gingiva between the gingivalmargin and the frenum.
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FRENECTOMY
INDICATIONS
1. Gingival or papillary frenal attachment: Where frenal fibresradiate into marginal gingiva producing gingival retraction andlocalized gingival recession.
2. High frenal attachment: Where oral hygiene is hindered byshallow vestibule caused by high frenal attachment.
3. Ankyloglossia: When lingual frenum interferes with speech.
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TECHNIQUES OF FRENECTOMY
Conventional (classical) frenectomy
Miller’s technique
V-Y plasty
Z plasty
Frenectomy by using electrocautery
Laser frenectomy
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CLASSICAL FRENECTOMY
The classical technique was introduced by Archeret al 1961 and Kruger et al 1964.
This approach was advocated in midline diastemacases with an aberrant frenum to ensure theremoval of muscle fibres which were supposedlyconnecting the orbicularis oris with the palatinepapilla.
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One month post-operative view
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DISADVANTAGES
Causes un-aesthetic labial tissue scarring.
This may become a matter of concern in case
of high smile line exposing the anterior gingiva.
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MILLER’S TECHNIQUE
This technique was advocated by Miller PD et al in 1985.
This was proposed for post-orthodontic diastema cases.
The ideal time for performing this surgery is after theorthodontic movement is complete and about 6 weeksbefore the appliances are removed.
This allows healing and tissue maturation.
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2 weeks post-operative
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ADVANTAGES OF MILLER’S TECHNIQUE
Post-operatively, on healing, there is a continuous bandof gingiva across the midline, that gives a bracing effectthan the scar tissue, thus preventing orthodonticrelapse.
The transseptal fibres are not disrupted surgically and so,there is no loss of interdental papilla.
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Z- PLASTY TECHNIQUE
This technique is indicated when:
a) There is hypertrophy of the frenum with a lowinsertion, associated with distema.
b) There is a short vestibule.
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one month post-operative view
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V-Y PLASTY TECHNIQUE
This technique can be used for lengthening thelocalized area, like a broad frena.
This technique is mostly employed in a case of apapilla type of frenal attachment.
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ELECTROSURGERY
This technique is recommended for patients withbleeding disorders and non-compliant patients.
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ADVANTAGES
This technique offers the advantages of:
Minimal time consumption.
Minimal procedural bleeding.
No need of sutures.
Healing is by secondary intention as the wound edges are not approximated with sutures.
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LASER FRENECTOMY
The benefits of a laser frenectomy are greater as compared totraditional techniques .
These include :
Reduced bleeding during surgery.
Reduced operating time and rapid postoperative hemostasis,thus eliminating the need for sutures.
The lack of need for sutures, as well as improvedpostoperative comfort and healing, make this techniqueparticularly useful for very young patients.
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DIODE LASER UNITS
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POST OPERATIVE INSTRUCTIONS
NOT to eat anything until the anesthesia wears off, as there are chances of biting thelips, cheek or tongue.
Avoid extremely hot foods for the rest of the day and do NOT rinse out your mouth, asthese will often prolong the bleeding. If bleeding continues, apply light pressure to thearea with a moistened gauze for 20-30 minutes.
Follow a soft food diet, taking care to avoid the surgical area when chewing. Chew onthe opposite side and do NOT bite into food. Be sure to maintain adequate nutrition anddrink plenty of fluids. Do NOT use a drinking straw, as the suction may dislodge theblood clot.
Avoid alcohol and smoking until after your post-operative appointment.
Maintain normal oral hygiene measures in the areas of mouth not affected by thesurgery. In areas where there is dressing, lightly brush only the biting surfaces of theteeth. Vigorous rinsing should be avoided!
Do NOT pull down the lip or cheek.
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CONCLUSION
Frenum may not regularly draw close scrutiny on routinedental examination.
While an aberrant frenum can be removed by any of themodification techniques that have been proposed, afunctional and an aesthetic outcome can be achieved by aproper technique selection, based on the type of frenalattachment.
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References.
Carranza 10th and 12th edition.
Priyanka M, Sruthi R, Ramakrishnan T, Emmadi P, Ambalavanan N.An overview of frenal attachments. J Indian Soc Periodontol 2013
Mirko P, Miroslav S, Lubor M. Significance of the labial frenumattachment in periodontal disease in man. Part I. Classification andepidemiology of the labial frenum attachment. J Periodontol 1974
Devishree et al. Journal of Clinical and Diagnostic Research. 2012November.
Kotlow LA. Oral diagnosis of abnormal frenum attachments inneonates and infants: Evaluation and treatment of maxillaryfrenum using the Erbium YAG Laser. J Pediatr Dent Care 2004.
De Felice C, Toti P, Di Maggio G, Parinni S, Bagnoli F. Absence of theinferior labial and lingual frenula in Ehlers-Danlos syndrome. Lancet2001
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